TAB. 288.
HAKPACHÆNA AMPLEXIFOLIA, Bunge.
HARPACHÆIVA, Bunge, in Adnot, ad Delectum Seminum Horti Bot. Dorpat. anni i 845.
— A canthocephalus, Karel, et K iril.,' in Bulletin de la société des Naturalistes de Moscou,
1842, p. 127. (Perperam et characteribus quoad flores falsis adscribitur Arctotideis.) — Le-
deb., Flor. Ross., vol. 2, p. 651.-— Harpocarpus, Endl., Gen. Suppl., III, p. 70. (Characteribus
ex parte falsis.)
Calathidia i 8-25-flora, homogama, heterocarpa. Anthodiüm squamulis calyculatum 5-7
brevioribus foliaceis patentibus v. reflexis planis inaccrescentibus, floribus paulo brevius,
campanulatum, profunde io - i4-fidum (segmentis subbiserialibus, plus minusveinæqualibus,
foliaceis, planiusculis, inaccrescentibus, sublinearibus, apice in appendiculum submembra-
naceum rotundatum fimbriolatum productis), parte indivisa ovario florum periphericorum
adhærens et extus aculeis inæqualibus accrescentibus juxtapositis echinatum, sub anthesi
carnosum, perinde accrescens, demum induratum, basi umbilicatum. R eceptaculum disci-
f'orine, planum, areolatum, nudum, glabrum. F lores pauciseriales, subæquilongi. Corollæ
ochroleucæ, glaberrimæ, ligulatæ; tubus brevissimus, subcylindraceus ; ligula cuneato-linea-
r is , apice truncato inæquiprofunde quinquedentata. Stamina corolla subduplo breviora.
Stylus capillaris, corolla brevior, secus apicem sursum hispidulus. Stigmata capillaria, ob-
tusa, breviuscula, retrorsum arcuata, dorso marginibusque puberula. Ovarium glabrum,
estipitatum, collo brevi (postea accrescente) robusto recto immediatim in pappum expanso
superatum, floribus periphericis (singulatim anthodii segmentis respondentibus) truncato-
turbinatumsubtriquetrum abrupte in collum productum, ventre alatum, dorso anthodii parti
indivisæ adnatum; ovaria disci compressa, obovato-oblonga, sensim in collum angustata.
Nectarium conico-cylindraceum, breve, crassum, truncatum. Pappus uniformis, minimus,
persistens, inaccrescens, disciformis, convexiusculus, stellatim 5-7-lobulatus, demum carti-
lagineus. Achænia conspicue rostrata (peripherica brevius, interiora longius ; rostro continuo,
cavo, tetragono, pappo oculo nudo vix conspicuo coronulato), invicem libera at arctis-
sime conglomerata et anthodii parte echinata accreta subinclusa (rostris exceptis, unde syn-
carpium simulant turbinatum v. hemisphæricum multirostratum), persistentia, ecostata,
estriata, dissim illime trimorpha, omnia fertilia, estipitata, basi truncata. A chænia peripherica
anthodii parti accretæ per dorsum adnata, crassa, coriacea, turbinata v. cuneiformia, ex apice
truncato abrupte in rostrum conico-cylindraceum rectum v. subrecurvum producta, ventre
alato-carinata (ala sub rostri basi in dentem obtusum v. acutum excurrente), alia crassiora
obcompressiuscula irregulariter 3-5-gona sæpissime lævigata, alia tenuiora subcomplanata
exangulata anthodio levius adhærentia transverse squamelloso-rugosa. A chænia disci oblonga
v. subfusiformia, subchartacea, lævigata, plus minusve compressa, aptera, exangulata, sursum
sensim in rostrum longissimum gracile retrorsum arcuatum angustata. Semen clavatum,
adhærens; integumento membranaceo; cotyledonibus oblongis.
Planta annua, glaberrima, glaucescens, habitu Heteracice et Zacinthce similis. Caules exiles
y, subcæspitosi, paniculati, simulac rami decurrentia costæ foliorum marginato-angu-
HARPACHÆNA AMPLEXIFOLIA. 129
lati, remote foliati. Rami sparsi, vegetiores inæqualiter dichotomi, ad nodulos demum plus
minusve inflati. Ramuli Ultimi elongati, aphylli,pedunculiformes, sursum subclavati. F olia
tenuia, costato-uninervia ; radicalia caulinaque infima subconferta (mox emarcida), in pe-
tiolum brevem angustata v. sessilia, modo denticulata, modo sinuato-v. runcinato-dentata ;
reliqua sparsa, sessilia, basi cordato-v. sagittato-auriculata, amplexatilia, plerumque eroso-
denticulata ; ultima minuta, subintegerrima, exauriculatà. Calathidia solitaria, semper
erecta, sub anthesi minuta, demum invicem remotissima, alia lateralia oppositifolia pedun-
culo brevissimo (ramillulo abortivo) demum subclavato suffulta, alia ramillulos Ultimos demum
elongatos terminantia.
Genus ihfauste ab auctoribus plerisque inter Arctotideas eolloeatum, Heteracice proximum quamvis achæniorum et anthodii
conformatioue distinctissimum, specie hucusque unica gaudens.
HARPACHÆNA AMPLEXIFOLIA, Bunge, in Adnotationibus ad Delectum Seminum Horti Bot. Dorpdtensis, 1845.
(Rite ad Cichoriaceas réduc ta.)
Acanthocephalus amplexifolius , Karel, et Kiril., in Bull.de la Soc. des Naturalistes de Moscou, 1842, p. 128 je t Enum.
Plant. Soongor., nu 468. — Lçdeb., Flor. Ross., vol. 2, p. 65t.
Harpocarpus amplexifolius., Endl., in Walp., Rep.t vol. 2, p. 666. (Nomen.)
Planta vegetior (culta) demum 1-2-pedalis et . plerumque pluricaulis, macrior subsimplex. R adix simplex v. parce
ramosa, (gracilis v. subfiliformis, descendens. Caules erecti dum exiles, ascendentes v. subdiffusi dum pluies, graciles
attamen lirmi, violascentes v. glaucéscentes, lævigati, lucidi, inæqualiter acutanguli (angulis prominentioribus costæ folii
respondentibus), anguloruni interstitiis striati, plerumque ab ima basi ramosi, demum fistulosi. R ami conformes cauli at
tenuiores et sæpissime breviores, erecti v. plus minusve divergentes, macriores mono-v. oligo-phylli. R amuli aphylli v.
oligophylli, angulosi, striati, plerumque divaricati, elongati, sub anthesi filiformes, perinde rigidi plus minusve incras-
sati, fistulosi; ultimi simplicissimi, monocephali, pedunculiformes, demum i~3 pollices longi et secus apicem subclavati,
interdnm deflexi. F olia glaucescentia, parce venosa, tenuia, subcarnosa, dentibus et denticulis plerumque obtuse mucro-
uulatis. F olia radicalia (càulinaque infima) 3-6 pollices longa et plus minusve confer ta (interdum pauca et minora), lan-
ceolàto-v. obovato-v. spathiilato-oblonga v. interdum obovata, obtusa, varie dentata v. denticulata, nunc sessilia, mine
petiolata. F olia caulina (infima radicalibus conformia excepta) ramealiaque e cordato-v. subsagittato-aurita basi oblonga
v. ovato-öblonga, v. ovato-aut oblongo-lanceolata, interdum subdeltoidea, acuta v. e rotundato apice acuminulata, plerumque
remote eroso-dentata v. denticulata, inferiora interdum sinuato-v. runcinato-dentata; suprema lanceolata v.
lanceolato-oblonga, minuta, integerrima, exauriculata ; caulina media plerumque inferioribus minora, interdum majora,
superiora gradatim minora. Calathidia plus minusve numerosa, sparsa, sub anthesi minuta, etiam præfloratione erecta ,
fructifiera valde accreta et invicem remotissima ; lateralia pedunculo (ramillulo abortivo) anthodio breviori (plerumque
multo, raro subæquilongo) suffulta. Calyculi foliola anthodio plerumque subduplo v. interdum paulo breviora (v. imo
æquilouga), subæqualia v. inæqualia, linearia v. lineari-Ianceolata v. lanceolata aut lanceolato-oblonga, acuta, i-nervia,
tenuia, marcescentia, plerumque reflexa. Anthodiüm sub anthesi 2 -2 1/2 lineas longum; segmenta dorso subcarinata,
interdum margine revoluta, sub anthesi erecto-patentia, postea deflexa et ob aculeos vix conspicua ; pars indivisa accrescens,
maturitate turbinata v. hemisphærica, straminea v. brunnea achæniis periphericis (rostris hand computatis) æquilonga et
3-4 lineas diametro metiens (hand computatis aculeis); aculei deflexi v. patentes (summi excepti, qui sæpius erecti), conco-
lores, 1 1/2-2 1/2 lineas longi, alii tenuiores alii crassiores (summi plerumque omnibus robustiores), e globoso-incrassata
basi sobulati v. setacei, recti, apice plerumque glochidiati, basibus haud raro geminatim v. ternatim concretis. Corollæ
i 1/2-2 lineas lo.ngæ ; ligulæ dentes inæquales, brevissimi, siibdeltoidei, obtusi, apice callosi, dorso dense papillosi.
Staminum filamenta glaberrima, capillaria, antheris subæquilonga. Anther« lineares, basi breve auriculatæ, appendice-
apicilari brevi, membranaceo, rotundato. Stylus antheras plus minusve superans, corolla brevior. Ovaria sub anthesi
anthodii parte indivisa subæquilonga v. paululo longiora. P appus minimus, sub anthesi subpellucidus, postea albidus v.
stramineus, striatulus, maturitate achænii rostro multo brevior, lobulis acutis nunc subæqualibus nunc inæqualibus interdum
cum crenulis v. dentibus alternantibus. Achænia rufescentia v. pallide brunnea, rauriculato-puberula. Achænia peripherica
haud computato rostro 2 1/2-3 lineas longa et juxta rostri basin 1 1/2-2 lineas lata, compressione nui tua irregulariter
varie angulosa, rostro æquilongo v. paulo longiori nunc subrecto nunc leviter retrorsum arcuato superata, alia
crassiora (plerumque crebriora, interdum autem regulariter v. subregulariter cum achæniis tenuioribus alleman tia) anthodio
arctissime per dorsum adhærentia, alia tenuiora, plerumque facilius ab anthodio segreganda; ala ventralis diametro
III. I?