2 
ad 2 mm. longae.—H. glumacea, Franch. in Bull. Soc. Hist. Nat. 
utun, vol. viii. p. 335. H. graminea, Th. & Hél. Durand, Syll. FI. 
Congol. p. 649. Andropogon condylotrichus, Hochst. in Steud. Syn. 
n. 
Androp. p. 579. Sorghum piptatherum, O. Kuntze, Rev. Gen. Pl. 
p-. 792. Fa bead piptatherus, Nash j in North Amer. Fl. vol. xvii. 
p- 127.—0. Strap 
Tropica Arrica and America. In Africa, from Upper Guinea Me 
ri eae Tanganyika and on ; in America, from Mexi 
to Bra 
- 1, pair of spikelets ; 2, lower glume; 3, upper glume; 4, valve of lower 
er valve of upper floret with base of awn (2-5 of sessile floret) ; 6, pedicel 
a spike a ; 7, lower glume ; 8, upper glume ; 9, valve (6-9 of pedicelled spikelet). 
enlar 
