PLANTAE HISPANICAE. 191 



Culmi digitales, glabri, ftridi, geniculis duo- 

 bus ad radicem ubi leviter inflexi ; arciculo , 

 ultimo eredlo, longiflimo, nudo. 



Folia graminea, uncialia, fubpubefcentia, pla- 

 na, acuminata. 



Vagina angulata, ftriata, intcgra, dorfo 

 facpe carlnata. Memhranula albido, 

 membranacea, laciniata, acuta. 



Flores in fpica ovato-fubrotunda, fpinofo-echi- 

 nata, termmali, ad bafin fquamis acutis, 

 membranaceis, minutiffimis involuta, flari- 

 bus omnibus fefiilibus. 



Cal. -Gluma bivai^is : vaivulis oblongis, acu- 17^- 

 minatis, membranaceis, planiufculis, fub- 

 aequalibus, dorfo carinato, cralliore. 



Cor. compofita, biflora, hermaphrodita (non 

 polygamaj, akerave leviflime pedicell^ta, 

 bigkmis, non fub florefcentia hians : val- 

 ■vula exteriore majore, involvente interiorem, 

 ftriata, dorfo convexa, truncata quafi, ter- 

 minata margine in aculeos quinque, pa- 

 ten tes, validos, medio longiore : <vahuki in- 

 Uriore auguftiore, aequalis longiaidinis .: 

 dorfo plana, truncata, aculeis duobus cor- 

 niculata, minoribus quam in gluma exteriore, 



Stam. fmgulis Bofculis tria, Filamentis fetaceis, 

 corolla longioribus, Antheme Qvatae, bali 

 dehifcentes, biiidae. 



PiST, 



