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52 



Dr. Paul Leeke, 



versus brevissime pilosulis vel subglabris, 4,5 — 5 mm longis; 

 gluma I. nunc deficiente nunc minutissinia squamiformi, 

 avcnia; gluma IT. item semper minutissima priori isomorpha 

 earaque (si utraque adest) vix duplo superante; gluma IIT. 

 variabili nunc in spiculis 1-floris item brevissima aveniaque 



aequante, 



nunc in 2~floris majore spieulam ad ^12 — u 

 tunc apiee rotundata saepiusque crenulata, 1 — 3-nervia; palea 

 floris S in spiculis 2-floris glumam praecedentcm longe 

 supcrante quam paleae floris 5 band multo breviore, apice 

 late emarginata rotundata medioque lineari-mucronata, sub- 

 4-nervia; palea floris j inferiore e lineari-elliptico apice 

 anguste rotundata impositeque raucronulata, 5-nervia, paleam 

 superiorem paleae S isomorpbam superante; antberis optime 

 penicillatis; stigmatibus e spiculae apice porrectis, summo 

 apice tantum liberis cet. connatis. 

 Senegambicn, Ostafrika. 



76. Pennisetam americamim (L.) K. Scbiim. in Engl. 



— Fanic / f m americam im 



f 



51. 



Pflanzenw. Ostafr. B. (1891 

 L. Spec. pl. (1753) 56. — Alopecuros typhoides Burra. Fl. 

 Ind. (1768) 27; Gmel. Syst. veg. I (1791) i67. — Pennisetum 

 typJiöideimi Rieb, in Pers. Syn. I (1805) 72; Bcauv. Essai 

 Agrost. (1812) t. 13 f. 4; Jacq. Eclog. Gram. (1813 — 14) 

 t. 17; Steud. Syn. pl. glum. I (1855) 108 No. 70; Boiss. Fl. 

 Orient. V (1884) 447; Hack, in Engl.-Prantl, Nat. Pflfam. II 2 

 (1887) 38; Duthie, Grass. N. W. Ind. 11 et Field. and Gard. 

 Crops. 30 t. 71 et Fodd. Grass. N. W. Ind. 18;. Lisboa in 

 Journ. Bomb. Nat. Hist. Soc. V (1891) 339; Hook. fil. Fl. 

 Brit. Ind.VlI (1896) 82; Stapf in Tbiselt-Dyer, FL Gap. VII 

 (1899) 432; Trimeu, Ceylon-Fl. (1900) 170. — IIolcus sjncatns 

 L. Syst. X cd. (1759) 1305 et Suppl (1781) 1483; Willd, 

 Spec. pl. I (1797); Swartz in Scbrad. iS^eue Journ. II (1807) 

 B 2; Scbleebtd. in Linnaea XXV (1852) 531--69; Grab. Cat. 

 Bomb. PI. 238; D alz. et Gibs. Bomb. Fl Suppl. 29; Knipbof, 

 Centr. XII (57); cf quoque infra ad formam 26. — Cenchras 

 spicakis Cav. Descr. de las plantas (1802) 304 et t. 614; Kuntze, 



Rev. gen. III 2 (1898) 346. 



P. spkatmn (L.) R. et Scb. 



Syst. II (1817) 499; Koernicke in Koern. et Wern. Handb. 

 d. Getrcideb. I (1885) 284; Ascbcrs. et Scbweinf. FL Egypte 



M 



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