178 CENTURIA VI 
“NOVA GENERA; 
SEHIMA. 
91. SEHIMA tscaæmowmes; Jpica fimplici; fpiculis conjugatis, bifloris; fore 
mojtulo, mutico; hermaphrodito, ariffato. : 
— Descr. Culmi cubitales, filiformes; fimplices, raro ramofi, glabri; orticu- 
lis fefquifpith. Folia vaginis fpith. contra folem volutis, glabris; /amina 
vaginis brevior, linearis, plana; ftriata, deabra, bafi hirfuta, Spi- 
ta terminalis ,  fpith. coar&tata, Spicuiæ. geminate: altera feffi- 
-lis, altera pedicellata; ^ wtrique calyce. bivalvi;  .bifloro, corolla 
bivalvi; -in ffili, flos exterior mafculus , interior ` hermaphro- 
dirus ; in peditellato, uterque / mafculus ; fed ` hermaphroditorum 
mares prius pereunt; & ignarus hujus economie nature, putat eos 
non adfuiffe. ` Cuir: gluma bivalvis, lineari-lanceolata, biflora, corol- 
lis longior; exterior apice bifeta, inermis: interior ariíta ex apice; glu- 
mis longiore. Fios exterior mafculus, corolla bivalvi, intus villofa, 
pellucida, lineari, mutica, Stamina 3. Piftillum nullum. Flos inte- 
fior herm. corolla bivalvi, interiore minori, apice fillo, e fiffura emit- 
tente Z/rif/am fpicula longiorem, bafi fufcam, apice albam: ante flores 
explicatos intra Ípiculas fuperiores fpiraliter reconditam, ` Ab 2, plu- 
mofi. Stamina 3. Spiculæ pedicellte. . Calyx bivalvis, biflorus, co- 
rolla major, eiliatus, lineari- lanceolatus, muticus: gluma exterior longior. 
Flos uterque mafculus. Corolla bivalvis, mutica. = 
Yemen in montibus ad Hadie. Arab. Sæhim. me 
Oss, Genus novum conftitui hanc plantam; nam ab Ifchæmo differt Spiculis pe- 
- dicellatis , mere mafculis, quamvis  bifloris. 
See |... THEMEDA. 
92. THEMEDA mpm. > Hadie: Arab. Themed. 
Descr.. Gramez polygamum, . Spiculæ vclut ex fpatha capitate; cx- 
teriores vertieillure, mafcule. Calyx univalvis, uniflorus. Corolla 
bivalvis. Styli & arifte nulle, In medio capituli exfurgit pedicellus 
brevis, in quo fpicule due maftulæ pedicellate; una Aermaphrodita 
feffilis; calyce univalvi; corolla bivalvi; arifla ex receptaculo flore mul- 
toties longiore. Culmi racemofi. — Pagine dope. lte, enfifor- 
mes, recondeütes ramos & capitula ante explicatiónem, ` Omnia capi- 
` tak foli vagina prius recondita fuerunt. 
TICUS. 
