m
201 CONVOLVULACEAE. 202
v a ríe pubesc entibns. C o r o l l a h y p ogyna, te n e r a , alte gam o p e ta la , infundibnliformis v.
campanulata v. hypocraterim o rp h a v. tub u lo sa v. subchivata v. ro ta ia , post flore scenliam con-
torto-marcesceiis, tard e d e c id u a ; tu b o p le ru in q u e in tra calyccm ang u sto c y liu d rico , su p ra plus
miuus d ila ta to ; limbo p a te n te (sa epe latissimo plano), re g u la ri, b re v ite r v. obsolete (r a ro profunde
) 5-fido, iobis aeqiialibiis lalis ac u tis v. o btusis v. ema rginalis, medio s tria v. v iltà plus
minus la ta apicem v ersu s a tten u a ta colore d iv e rso insigni (e x tu s saepius p u b e sc en te ) notatis
(limbo ig itu r radia lim 5 -s tria to ), a e stiva tione 5-plicala contorta v. ra ro indupìic ato-va lva la v. rarissim
e imbricata, post an th e sin p lerum q u e involuta . S tam in a 5 inferiori corollae tubo v. raro
fauci adnala, in te r se libera, inclusa v. ra riu s e x s e rta ; f i l am e n t i s filiformibus glab ris v. iusertio-
nem v e rsu s saepissimc paullo dilatatis ibique p ilo siu sc iilis, p lerum q u e iuaequiloiigls (2 v. 3 reliq
u is lo n g io rib u s ); a n th e u is bilocularibus in tro rs is dorso su p ra basiu affixis v ersatilib u s liuea-
ribvis V. ovali-oblongis, basì p lerum q u e bifidis (sa g itla tis ), re c tis v. a rcu a lo -re c u rv is v. demum
sp ira lite r to r i l s , loculis paia lle lis rim a longitudina li d e b isc e u tib u s; polline globoso v. aiigulato,
laevi. Discus hypogynus ciipiiliformis v. an n u la ris c ren a tu s v. in te g e r v. obsoletus. D i s t il l a
2 v. ra riu s 3 (v. 4 ? ) au t tota connata, aut ex p arte lib e ra ; o v a r ía in umiin conc reta s. ovarium
4 - 2 - v. abortii i-lo cu la re , a u t (in Dicliondreis) 2 v. 4 d isc re ta (u o n n is i stylo communi basilari
co n n e x a ); o v u la definita, in loculis so lita ria v. 2 collateralia, loculi v . septi basi affixa, sessilia,
ere c ta v. ad sc en d em ia ; s t y lu s filiformis v. cap illa ris, in d iv isu s v. ra riu s bifidiis v. b ip a rtitiis v.
ra ris s im e sty li 2 lib e ri; stigm a capita tum in d iv isum v .e iu a rg iu a tum v . bilobiim, lobis subglobosis
V. ovalibus oblongisve coiiiplaiiatis v. filiformibus papillosis v. sublaevibus. F r u c t u s rarissime
indchiscens, baccaceus v. coriaceo-uucameiitaceus, p le ru n iq u e capsula ris valva tim v . ra ro circum-
scisse (a u t irre g u la rite r ?) dehiscens, 4—2-locula ris (d issep iin en to in te rd um imperfecto) v. (abortu
septi?) 1-locularis, C— 1-spermiis ; peric arpio perganiaceo v. coria ceo-crusta ceo ; dissep iin en to membranaceo
v. p apyraceo-tenui saepe diaphano e t margine n erv ifo rm i cinc to, a valvis solubili, deciduo
V. saepe diu p e rs is te n te ; valvis 2— 8 (se. loculorum n um ero aequalibus v. d u p lis) deciduis.
Semina 6— 1, b a s ilaiia, erecta, se s s ilia , ovoidea v. subtrigoiia d o rso ro tu n d a ta , laevia opaca v.
sub len te granulata, glabra v. pub eru la v. longe seric eo-villosa v. com o sa , te sta c ru stá ce a, sae-
p issim e n ig rican te . Albumen parcum, nnicilagiuosum v. ca rtilagineum. Embuyo cu rv a tu s , ra d íc
u l a infera, co ty led o .m b u s plicatìs e t corriigatis, p lerum q u e latis foliaceis e t p e r germin a tio n em
epigaeis obcordato-bilobis, p lum u la inconspicua.
S t i r p e s h e rb a c e a e c. f r u t i c o s a e v . r a r o a r b o r e s c e n te s , f ie r a e q u e la c te s c e n te s , su c c o ( p r a e -
s e r tim r a d i c i s ) sa e p e m a te r iam a c r em v . r e s in am d r a s tic o - p u r g a liv a m c o n tin e n ti, p u b e s im p lic i
V. r a r iu s s te lla ta v . n u lla. R a d i x J ìb r o s o - r am o s a v . s a e p e tu b e r o s a ; c a v l e s e r e c t i v . p ro cum -
b en te s v . sa e p is s im c s in is tr ó r s u m to lu b ile s , c ir r h is d e s titu ti, r a m o s i v . s im p lic e s. F o l i a sp a r s a ,
e x s tip u la ta * ) , p in n a tim v . p a lm a tim n e r v a ta , sim p lic ia , s a e p is s im c c o r d a la itid iv is a , v . a n g u la ia ,
V. d e n ta ta v . lo b a ta v . p a lm a tim 3— 1 -fo lio la ta fa n v e r e c o m p o s i ta ? ) , s a e p iu s in ea d em specie
v a r ia b ilia a d e o in eo d em in d iv id u o d iv e r s ifo rm ia . ì n f l o r e s c e n t i a a x illa r is v. te rm in a lis , pe-
d u n cu la ta v . su b s e s s ilis , c g /n o sa , c ym is n u n c m u llijlo r is r e g u la r i t e r d ic h o tom is la x is v . c o n tr a c tis
V. c a p itu lifo rm ib v s , nunc in c ic in n o s r a c em ifo rm e s a b eu n lib u s v . d e p a u p e r a lis 3 — l - ^ o r i s , ram is
p ed ic e llisq u e B R A C T E IS ( in te r d um f o l ia c e i s in v o lu c rum f o rm a n t ib u s ) f n l t i s , f l o r i b u s sa e p e m a g n is
sp e c io s is e p h em e r is , p u r p u r é is , v io la c e is , c o e ru le is , r o s é is , c o c c in e is , a lb is v . In lets. — O r d o p e r
to tum o rb em d ijfu s u s , a e q u a lo r em v e r s u s tam g e n e rum q u am sp e c ie rum n um e ro in c r e s c e n s , r e g
io n e s f r i g i d a s c ir c um p o la r e s e t e d ilio rum m o n tium f u g i e n s , in B r a s ilia p r a c c ip u e a bu n d an s.
#) Interdum Cv. g. In Ipomoea tlipulacea Jacq.] spurie stipulala, scil. in azilla fo
nil nisi folla rami nondum evoluti sunt, nb auctoribus vero improprie stipulae v
Plontnriim ordo maxime nalurolis, llorum piilcliritudino anioemis, siructurae s
generum et specierum distinclionein ot sjslcmaiicain ilisposilionem
frucmquo dcsuniptis Inniluiilur, fncio vero peculiari carciit ideoque o
vero ot unifnrmilalc laediosus, quoad
Genera enim pleraque characleribus o elylo, sligmalibus
X Imbiiii iiec facile nec tute rccognoscuntur. Accedit insupor, quod
pcrmiiilorum specierum fructus odnc ignoti ct reliqui characteres, v. g. folianim adeoque sepalorum forma, vegetationis modus (caulis
voiubilis nut non volubili?) ct innorcscentiao (peduuculi pluri- aut uniflori) saepius in una cademque specie variabiiilati siibjecti sint.
Inter Convolvuláceas Americaims, praeserlim Brasilienses, ordinis Motiographus Genovensis nimis arlificialiter plura distinxit genera, queo
utpote difrcrculiis Icvìssirais, iiisuffiei.uilibiis v. fallacibus superslructa — nonnisi tamquam generis Jpomoeae soctioncs admitiendo esse,
i.ersuosum habemus. Qiiae eadem genera etiam ad Jpomoeam reduxit aculissitnus Gbisebscii (Fl. Crii. W. Ind. Isl. p. 466. sq.), qui
fnictiim ot sotninu magis rcspiciens novam hujus generis subdivisionem praposuit; sed etiam Imnc penitus sequi non possumiis, quia ejus
scctionos, pro parte saltern, pnrum naturales apparent ct characteres carpici, quibus dislingiiiintur, in pcrmultis spccicbus ndhuc latent,
quo lit, ut practica divisionum illarum applicatio aut prorsus impcdiatur aut piane arbitraria reddatur.
CONSPECTUS GENERUM BRASILIENSIUM. *)
A. Ovaria 2 - 3 tota connata in uniim 2 - 4 - v. abortu 1-loculare
I. Fructus imlehiscens, coriaceu-lignosus v. baccaceus . .
1. Stigma u capiiatum, .sulcatum,A«......«..., indivisum.—
Corolla campanulata
3. Slig
a bilobum. Corolla infuiidibuliformis
. . Tribcs I. CONVOLVULINAE.
SvDTRiBVs I. A R G Y R E IE A E .
. . . . I. MARIPA Aubl.
. . . . (RIVEA CiioisY.)
U. F ruH m dehiscens, capsularis. S lp li ad stipma usque in unum
............................................................................................................. II. C O N V O L V U L E A E .
A. C a p s u la t r a n s v e r s e d e h i s c e n s (magna, 2-locularls,4-spcrma), scil. epicarpii circumscissi
parte superiore ab endocarpio solubili et opcrculi instar decidua, endocarpio domum
1. . . . b . n b 1 ........................................................................................... ■ “ ■ OPmCDLINA M .« ..,
B. C a p s u la v o r t i c a l ì t c r f i s s i l i s , v a lv is 3 - 8 a s e p to s o lu t i s .
I. Sligma capitatum subinlegrtm v. bilobum, lobis sphaeroideis (rarissime complanalis) Ul. IPOMOEA Linn.
f Genitali;
IO ampio explanato.
: I. CALONYCTION CnOisY.
II, QUAMOCLIT ToubN,
in. EXOGOXIUM CilOisv.
rv. PDABBITIS Cuoia
1 Corolla langna, hjpocrateriniorpha, tubo longo aogusto,
Ovarimn 8- V. .......................................................................................«ubge
8. Corolla mediocris, tubo larundibullfonni, limbo parum dilatato. Ovarium 4-loculare
3. Corolla tubulosa, limbo mediocri. Ovariuiu 8- v. apice 4-loculare . . . . „
t f Genitalia inclusa Crarissime exserta, Cf. I. tubata, MarceUia].
a. Sépala berbacea, sensim attenuato-acuta v. plerumque longe auguslequeaciimiuata.
Ovarium 3- V. 8-loculare, loculis 8-ovulatis, rarius 4-loc., loculis l-ovulatis „
b. Sépala membranacea v. coriacea (raro lierbacea), obtusa v. acuta (raro-atteuuato-
0 «du i. Í-..UI.I™, T. .,11. . ■ „ Y- nm™««*-*
C l . . V O I.» .......................................................... 0 . , . , . . , . . . ci»i.y.
a. c .u l..,. . . .« b . . l . .v . „ a i . .u . . , . , l . .d . , . . . . l . l . r t . i .v . l .b l l « r S..I1. s. S . . . .0 . . . . . C . . , .
C . ........................................................................................ “■
II. SHgm, l i l b i . . . { r.rl..lmo .«pll.to-ùajinom, U à im liiu ic . M m g is
complanalis t). filiformibus.
a. Scpala exteriora interioribus conformia.
a. Bracteae parvac, a calyco romotao.
1. Stigmata ovalia v. oblongn, brovia, complnnata................................................
3. Sligmale .................................................................................................
8. Bracteae 2 mngnae, foiinceac, calycem involucrantes..................................... •
1 I. inferi,irli,I,s dissimilin. ktioro, basi snbcordala v. dcciirrenlia .
IV. JACQÜEMONTIA Choisy,
V. CONVOI.VULUS (L .) R.Ba.
VI. CALYSTEGIA R.Ba.
VII. ANISETA Choisy.
Gcuera uucls inclusa lu Brasilia una occurnml, coniparatlonis causa bic ad
Afrlcaaiie; species Brasiiieiisos, quaruin fructus cl. Ciioisvo aut iucogmtus a
gaudeat dehiscente et ab ¡pumoea scparurl non possuut.
Riveae species legillmae oinoes sunt Asiaticae aut
eo descriptus erant, sicut etiain Marcellia, capsula
IM J !l.
ìli
ì..,ìà;'ì
®®iiì
I
® I