FLORULA ADENENSIS. 39 



Tricholeena micrantha, Schrad. in Rcem. et Schult. Syst. Veg. Mant. 



ii. p. 163; T. leucantha, Hochst. in Schimp. PL Abyss, n. 1818; 



Saccharum"? dissitiflorum^dgew. Journ. Asiat. Soc. Beng. xvi. p. 1219. 

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

 Distr. In insulis Capitis Viridis ! et insulis Canariensibus ! oris Africse 



borealis ! et in insula Sicilia ! Abyssinia ! a peninsula Arabiae usque 



ad Scinde ! 



2. Panicum, Linn. 



1. P. viride {Linn., Sp. PI. Willd., \. p. 335). Radice fibroso, glabro; 

 culrao basi decumbente vel erecto, ligulis ciliatis ; foliis lanceolatis, 

 acuminatis, acutis, planis, margine scabris vaginis striatis, pubescenti- 

 bus ; paniculis solitariis, densis, cylindricis, spiciformibus, setis scabris 

 asperis; setis spicula plus minus longioribus, ad basin spiculse soli- 

 tariis; spiculis sub-bifloris; glumis exterioribus obscure 4-6-nerviis, 

 glabris ; gluma florifera (glumella) ovata, obtusa, enervi, striata, tuber- 

 culata, subcrustacea. — Setaria viridis, Pal. de Beauv. Agr. t. 14. f. 3. 



Hab. Aden, in umbris arbuscularum (T. Anders.). 



Distr. In toto orbe calidiore. 



Annua, in Aden, herba pusilla 3-6 uncialis. Paniculce interdum simplices. 



3. Peknisetum, Pal. de Beauv. 



1. P. cenchroides (Rich, in Pers. Syn. i. p. 72). Culmo erecto, 

 ramoso, glabro ; vaginis glabris, margine ciliatis, ligula barbato-ciliata ; 

 foliis linearibus, acutis, planis, pilosis; paniculis solitariis spicifor- 

 mibus, cylindricis, obtusis; involucri setis aristaeformibus, insequa- 

 libus, basi phimosis, apice purpurascentibus ; spiculis 2-3-floris; 

 gluma florifera (glumella) subcartilaginea, 3-nervia; ovario glabro; 

 sty lis inferne connatis, plumosis. — Cenchrus ciliaris, Linn. Mant. 

 p. 320; P. rufescens, Spreng. in Schimp. PL Arab. n. 153; Cenchrus 

 pennisetiformis, Hochst. et Steud. in Schimp. PL Arab. n. 973 ; P. ci- 

 liare, Link, Hort. Ber. ii. p. 216; P. distylum, Guss. Fl. Sic. Prod. 

 Suppl. i. p. 12; P. ciliatum, Parlat. 



Hab. Aden, in locis depressis arenosis (Hook.fil. et T. !). 



Distr. In locis aridis regionum calidiorum Africse et Asiae. 



Tribus Stipace^e. 



4. Aeistida, Linn. 



1. A. Adscensionis (Li/m. Sp.Pl. p. 121). Radice fibroso, tomentoso, 

 culmis plurimis decumbentibus vel erectis, vaginis nodisque glabris, 

 ligulis obscure vel barbato-ciliatis ; foliis linearibus, acutis, involutis, 

 margine scabris ; paniculatis, coarctatis, subsecundis, basi interruptis ; 

 spiculis unifloris ; glumis subulatis inaequalibus, muticis, glabris ; gluma 

 florifera (glumella) apice triaristata, aristis scabris. — A. ccerulescens, 



