

ELORTJLA ADENENSIS. • 41 



spicis terminalibus, solitariis, densissimis, sericeo-villosis, folio spathi- 

 formi involucratis ; rachibus ssepe geminis, cohairentibus ; spiculis 

 3-4-floris, longe pilosis ; flosculis inferioribus hermaphroditis, superio- 

 ribus sterilibus; glumis membranaceis, breviter acuminato-aristatis, 

 persistentibus, glabris; exteriore villosa, longe aristata, cucullata, 

 interiore obtusa, ciliata; gluma florifera (glumella) solitaria, villosa, 

 aristata. — Chloris villosa, Pers. Syn. i. p. 87- C. Tetrapogon, Pal. de 

 Beauv. Agrost. p. 158. 



Hab. Aden! (Hook. fil. et T. !). 



Distr. In Arabia Petraea ! et Felici ! Scinde ! Algeria, et insulis Cana- 

 riensibus ! 



7. Dactyloctenium, Willd. 



1. D. ^Egyptiacum (Willd. Enum. 1029). Csespitosum ; caule prolifero 

 repente, radicante ; culrais adscendentibus ; vaginis basi tuberculatis, 

 pilosis, superne glabris ; ligulis ciliatis; nodis constrictis, glabris; foliis 

 lineari-lanceolatis, acutis, planis, margine papillis piliferis, sparse tuber- 

 culatis ; spicis terminalibus, horizontalibus, digitatis, ternatis vel qua- 

 ternatis, crassiusculis, densis ; rachi in mucronem prolongata ; spiculis 

 imbricato-unilateralibus, 3-5-floris ; glumis acutis marginatis, minute 

 ciliatis, carinatis, exteriore breviore, aristata, arista spiculis longiore ; 

 florifera (glumella) acuta, carinata, glabra, bifida; palea carinata, 

 mucronata, aristata; semine transversim ruguloso. — CynosurusJEgyp- 

 tius, Linn. Syst. PL p. 185. Eleusine JEgyptiaca, Roxb. Fl. Ind. ed. 

 1832, i. p. 344. D. mucronatum et D. prostratum, Willd. Enum. 1029. 

 D. australe, Steud. Gram. p. 212. D. aristatum, Link, Hort. i. p. 50. 

 D. Figarei, Notar. (Steud. I. c). D. distachyum, Bojer, Hort. Maurit. 

 p. 370. Chloris mucronata, Mich. Flor. Bor.-Amer. i. p. 59. 



Hab. Aden {Hook.fil. et T. !). 



Distr. Per totum orbem calidiorem. 



Tribus Festucace^e. 

 8. Eeagrostis, Beauv. 



1. E. ciliaris (Link, Hort. Ber. i.192). Radice fibroso; culmis ramosis, 

 geniculatis ; vaginis papilloso-tuberculatis, pubescentibus, apice cili- 

 atis ; foliis anguste linearibus, planis, patentibus ; paniculis coarctatis, 

 thyrsiformibus, interruptis vel continuatis, compositis ; spiculis 6-12- 

 floris; glumis membranaceis, naviculaeformibus, acutis, carina bar- 

 bata; gluma florifera (glumella) mucronata, 3-nervi; palea ciliata. 

 — Poa ciliaris, Linn. Sp. ed. Willd. i. p. 402. E. pulchella, Parlat. 



Hab. Aden (T. Anders.). 



Distr. In Arabia Felici ! India ! et Ceylania ! per totam Africam ! in 

 insula Adscensionis ! in America australi ad Para ! 



This is an exceedingly variable plant ; my specimens from Aden are only 

 about 1^ inch high. 



LINN. PEOC. — BOTANY, YOL. Y. SUPPLEMENT. E 



