46' Dr. SwARTZ^S Botanical Hijlory
interior anguftior, linearis, acumine brevifllmo vix incurva, obtufe carinata, tota rugis tranfverfis elevatis notata.mar- gine fubciliata, pallefcens ; ad utrumque latus bafeos ca- rina: hifpidulae fafciculo villorum prasdita. Interior bivalvis. Valvulae insequales, complicatas, glaberrimas, membra- nacese, pallide virefcentes. exterior ovatolanceolata obtufa, emarginata, dorfo impri- mis carinata ; nervofa. interior multo anguftior, lanceolato-falcata, dorfo bicari- nata, margine tenuiflima, albida. In^r bafiii hujus et interiorem coroUae exterioris, tuberculum {cfTile, minutum, insequale. Nectarium. Petala bina, minuta, obovata, eredla, bafi flavef- centia, fuperne tenuiflima albida, margine lacero-ciliata, genitalia ampledtentia. Filamenta fax breviflima s. longitudine neftarii, circa bafin germinis inferta, alba. Anlberce ereflse, lineares, longitu- dine gluma; interioris corollse, bafi emarginata:, apice bifido extrorfum pollen emittentes ; lutea:. Germen ovato-comprefflufculum, glabrum. Styll duo, fila- mentis brevlor€S latiufculi comprefll, conniventes. Stig- mata longitudine antherarum ereda, vix divergentia, compreflb-bijubata s. pilis diftichis longiufculis albido- fplendidis ornata. Semen ovatum, glabrum, glumis corolHnis inclufum.
This beautiful grass is diftJnguifhed by its acinaciform or fcymitar-shaped flowers, and its leaves being more cartilaginous and undulated at their edges than in any other known fpecies. Though the culm is not fo long as in many other fpecies, the flowers furpafs moft: of them in fize. That the root, though provided with fibres, is at the fame 9 time
