GRAMINEAE jlss. (Eustachys.) 263 



Species mihi haud nota. 



3. E. ? polystachyA Kunth. Gram. 1. 88. Spicis pluri- 

 bus, pafentibus; calycibus flosculisque glabris, muticis ; culmo 

 comprcsso. Lag. Chloris polystachya JLagasca , Elench. 4. — 

 Mexico. 



CHLORIS SWARTZ. 



Spicae digitato - fasciculatae, rarissime solitariae vel gemi- 

 nae. Spiculae unilaterales , sessiles, bi-octoflorae; flores di- 

 stichi 5 1-3 inferiores hermaphroditi, sub apice aristati (rarissi- 

 me mucronati); reliqui neutri, aristati vel mutici. Glumae 2, 

 membranaceae, persistentes, acutatae, muticae vel superior (ex- 

 terior [in C. virgata]) brevissime aristata; in C. villosa: am- 

 bae mucronatae. Paleae 2, membranaceae ; inferior trinervia, 

 trigono - carinata, sub apice aristata, plerumque margine dorso- 

 que piloso-ciliata; superior bicarinata; arista recta, non arti- 

 culata, rarissime abortiens. Stamina 3. Ovarium glabrum. 

 Styli2, terminales. Stigmata plumosa; pilis simplicibus. Squa- 

 mulae 2, glabrae, integrae. Caryopsis elongata, trigona, gla- 

 bra, libera; pericarpio tenui, membranaceo, interdum solubili. 

 Gramina exotica* Culmi simplices vel pierumque ramosi. jPo- 

 lia plana. 



1) Species gcnuinae. 



a) Spiculae biflorae; flos superior unipaleaceus, neuter, muti- 

 ticus, latiusculus; palea inferior floris hermaphroditi sub apice 



submucronata. 



1. C. SUBMUTICA Humb. et Kunili. Nov. Gen. 1. 167. U 50. 

 Foliis scabris; ligula ciliata; spicis crcbris, umbellato-fascicula- 

 tis; glumis acuminatis; paleis integris ; infcriore truncata, mu- 

 cronata, subciliata. Klh. Eustachys submutica Roem. et Schult. 

 Syst. 2. 614. Chloris imberbis Desf. Cat. 15. — Mexico, Bra- 

 silia. Q 



b) Spiculae tri-quadriflorac ; flos infirtus hermaphroditus, arista- 

 tus; reliqui steriles, dilatati; ex his 1-2 inferiores aristati, sum- 



mus muticus, rarissime omnes aristati. 



2. C. CILIATA Swartz. Flor. Ind. occ. 1. 197. Wllld. Spec. 

 4. 925. Nees ab Esenh. in Mart. Bras. 2. 422. Presl. in Bel. 

 Haenk. 1. 289. Spicis digitatis, subquinis, erectiusculis ; glu- 

 mis corollinis margine ciliatis. Swartz. Andropogon pubescens 

 Ait. Kew. 3. 423. — India occidentalis, Brasilia, Mexico. — 

 Valde affinis C. polydaotylae et barbatac. (Willd.) 



