caribus. Involucella nulla. Urabella simplex capitata 20 - staebya. Radii ft - 10 - stachyii, Spiculae, in
uinbella simplice dense conglomeratae, 4 lineas longae, i4 - florae, in umbella composita breviores lanceo-
latae 1 2 -florae. Glumac flavescentes nitidae ovatae trinerves. Stylus bilidus. Caryopsis nigro-fusca,
obovato - pyriformis apiculata punctata.
Inflorescentia C. flavescenti propinguus.
C Y P E R Ü S a u r e u s * h. b. K.
C. culmo triquetro, monophyllo, foliis angustis culmo brevioribus, involucro tetraphylio,
phyllis cluobus umbellam decompositam multiradiatam excedentibus, spiculis linearibus
sedecimfloris in capitula, subhemisphaerica aggregatis, glumis oblongis emarginatis recurva-
to - mucronatis trinerviis, caryopside oboyato-elliptica apiculata triquetra elevato - pun-
ctulata.
G. aureus* Humb. Bonpl. Kunth nov. gen. sp. 1. 205. fiele speciminum Humbotdlianoruin in berbario
Willdenow. Roem. Schuit, sust. veg. 2. p. 201.
Hab. ad Monte - Ret/ in California. (D
C Y P E R U S BRIZAEUS. RICH.
C. culmo triquetro, foliis culmo brevioribus margine scabriusculis, inyolucro tripbyllo umbella
duplo longiore, spiculis lineari - lanceolatis decemfloris in capitulum hemisphaericum conges-
tis , glumis oblongis inucronulatis trineryiis, caryopside- oblonga compressa excavato p
punctata* . .
C. brizaeus. Rich, in act. soc'. hist, nat, paris. 1, p. 106. Pnrsh j l . sept, amer. 1. p. 51. Vahl enum. 2.
p. 516. Roem. Schult, syst, veg, 2. p. 176.
Hab. in Mexico• 4
Folia sesquilineam lata. Involucrum triphyllum, pliyllis duobus umbella triplo, tertio fere duplo longioribus,
nonunquam pentaphyllum, phyllis duobus accessoriis umbella brevioribus. Spiculae numerosae semipolli-
cem longae. Stylus usque ad medium biûdus. Caryopsis nigricans oblongo - elliptica.
C Y P E R U S POLYSTACHYUS. rottb.
C. culmo triquetro, foliis culmo brevioribus, margine scabriusculis, inyolucro pentaphyllo,
umbellam compositam aut hemispliaericam aut diffusant triplo excedente , spiculis lineari-
.lanceolatis sedecimfloris in capitula ovata congestis, glumis ovatis obtusis sub apice brevis-
sime mucronatis, uninerviis, caryopside oblonga compressa excavato - punctata.
ci. spiculis in umbellam hemisphaericam aggregalis.
Gramen cyperoides, spica longiore compressa, glumarum marginibus argenteis, maschecorae malabarorum.
P lu k . mant. 97. t. 4i 6, f . 6. -
ß. umbellae radiis uno-pluribus elongatis, spiculis in capitula ovata congestis.
C. polystachyus. Rottb. gram. 39. t. 1 1 . f . 1. Thunb, f l . cap. i l p. 584. iVilld. sp. x. p . 275. Vahl enum.
2. p . 315. excl. syn. Lam. et Desf. R . Brown prod. f l . n. Holl. 1. p. 214. Roem. Schult, syst. veg.
2. p . 175- Rink hort. berol. 1. ». 510.,
Hab. in insula Luzon ad portum Sorzogon. 4
C Y P E R U S VEGETUS. willd.
C. culmo triquetro, foliis culmo longioribus margine serrulato - scabris, involucro polyphyllo,
pbyllis nonnulis longissimis, umbellae radiis elongatis, spiculis in capitula globosa dense
conglomérat!s, lanceolatis, glumis albidis ovatis acutiusculis trinerviis, caryopside triquetra
apiculata punctis minutissimis punctulata.
/
C. vegetus. Willd. sp. *1, p. 285* Vahl enum, 2. p. 526. Roem. Schult, syst, veg, 2. p. 183. Link hort.
berol* 1. p. 508*
C. Eragrostis. Lain, illust. 1. p. 196*
C. monandrus. Roth Catal. 1. p . 3. Pers. euch. 1. p. 63.
C. declinatus. Moench tpelh. p» 517*
C. compressus. Jucq, hort. vind. 3. t. 12.
C. glomeratus. Walt* f l . car. p . 70.
Hub. in Peruvia? in C h ili? 4
ADN. Caryopsis pyriformis fere aeneo-nitida. — In liortis haec species non raro nomine Cyperi elegantis
obven.it.
C Y P E R Ü S . STOLONIFERUS. ret z.
C. rhizomate nodoso, culmo triquetro, foliis culmo longioribus rigidulis margine scabris,
involucro bi-tripbyllo umbella composita quinqueradiata longiore, spiculis lanceolatis in
capitula subglobosa aggregatis decem-quatuordecimfloris, glumis ovatis acutis multinerviis,
caryopside suborbiculari compresso - trigona.
C. spadiceus. Lam. illust. 1. p. i 47*
G. stolouiferus. Re tz obs. 4* p. 10. W ild . sp. 1. p . 282* non herb. Vahl enum. 2, p. 338. Roem. S ch u lt.,
syst. veç. 2. p. 194.
Hab. in insula Luzon. 2f.
Rhizoma in nodos magniludinis nucis avellanae majoris tumefactum, interstitiis digitum minimum fere cras-
sis, totum vaginis foliorum annositate in fibras dissolutorum oblectum. Culmus subpedalis strictus, in-
ferne dense foliosus. Folia culmum fere terlia parte iongitudinis suae superantia, 2 lineas lata, margine
carinaque scabra. lnvolucri phylla 2 - 3 , erecta, uno umbella qninluplo, altero triplo longiore, tertio
verum aequilongo. Umbellae radii 1res plus minus pollicares, duo alii brevissimi , omnes 1 1 - 1 2 -stachyii.
Involucella nulla. Spiculae utrinque acutae in capitula densa aggregatae. Glumae dorso pur-
purascentes, margine albescentes, novemuerviae. Stylus trifidus. Caryopsis suborbicularis, latere interiore
piano-concaviuscula, exteriore convexa angulo obsolete notala, nigricans, laevis.
In herbario "Willdenowiano haec species nomine G. Eragrostis adest.
C Y P E R U S v i s c o s u s . ait.
C. culmo subtrigono, foliis culmum aequantibus margine serrulato - scabris, vaginis viscosis,
involucro tetraphylio, phyllis duobus longissimis, umbellae multiradiatae radiis inaequa-
libus, spiculis lanceolatis in capitula ovato - subglobosa glomeratis, glumis late ovatis
acuminatis trinerviis, caryopside pyriformi triquetra apiculata punctata.
, Seirpus viscosus. Poir . enc. 6. p. 778-
C. viscosus. A i t . hort. kew. 1. p. 79. Swartz prod. 20. f l . ind. occ. 1. p . 115. Jacq. collect, suppl.
32. icon. rar. 2. t. 295. W ild . sp. 1. p. 276. Vahl enum. 2. p. 303. Roem. Schult, syst. veg. 2. p.
it)5. Lin k hort. berol. 1 . p. 309*
C. elegans. Rottb. gram. p. $4- t. 6. f . 4-
Hub. in Mexico ad portum Acapulco. 4
OBS. Semper stylum trifidum observavimus. Spiculae in statu plantae juniore ovatae, in statu anlheseos tarnen
praeserlim in fruclifero lanceolate, glumis saepe latere purpureis.
C Y P E R U S DIFFORMIS. LINN.
C. culmo triquetro, foliis culmum aequautibus aut superantibus margine scabris, involucro
triphyllo, phyllo uno longissimo, umbellae radiis inaequalilms , spiculis lineanbus m capi