Bulbostylis.] clvi. cyperace^e (clarke). 429; 



Steins litury, at least at the top close under 

 the uinbel 

 Stem with longish scattered needle-like 

 hairs often over its whole length. 

 Stem filiform, 1-4 in. long, with 1-2 



spikelets . ' . . . . 26. B.filiformis. 



Stem 4-12 in. long, with 3-6 spikelets 31. B. andongensU. 

 Stem nearly glabrous except for minute 

 hispid hairs under the umbel. 

 Spikelets ellipsoid or oblong; umbel 



congested ..... 21. B. puberula. 

 Spikelets ovpid, less than twice as long 

 as broad. 

 Leaves ^ as long as the stem ; umbel 



of many spikelets . . . 28. B. coleotricha. 



Leaves none or very short ; umbel 



of 1-4 spikelets . . . 32. JB. transiens. 



Stems glabrous even at the very top under 

 the umbel. 

 Spikelets ellipsoid, about twice as long as 

 broad. 

 Spikelets ^-^ in. long. 



Nut pallid, smooth or with faint 

 transverse wavy lines. 

 Spikelets none clustered. 



Leaves setaceous, straight . 20. B. capillaris. 



Leaves filiform, flexnose . . 27. B. ahortiva. 

 Spikelets some clustered . , 30. B. parva. 



Nut black, strongly wavy trans- 

 versely . . . . . 25. B. piisilla. 

 Spikelets ^ in. long ; nut pyriform, 



almost stalked .... 24. B. argenteohrunea . 

 Spikelets \ in. long. 



Rhizome hardly any ; or annuals. 



Spikelets numerous, pale-brown . 23. B. Burchellii. 

 Spikelets 3-6, chestnut-brown . 31. B. andongensis, 



var. p^ 

 Rhizome horizontal, short. 



Leaves ^ tlie leaigth of the stem . 36. B. oritrephes. 

 Leaves short, often hardly any . 37. B. trichobasis. 

 Spikelets ovoid, leas than twice as long 

 as broad, ch^tnut-red. 

 Spikelets several ; nut pyriform . . 22. P. Taylori. 



Spikelets 1 (or 2) ; nut unknown . . 33. B. melanocephala. 



Spikelets cylindric, thrice as long as broad 33. B. cylindrica. 



1 . B. striatella, C. B. Clarke in Durand <L' Schinz, Conapect. Fl. Afr. 

 V. 616. A tufted annual. Stem 2-7 in. long, glabrous, with 1 or 2 

 spikelets. Leaves about as long as the stem, setaceous, minutely hairy. 

 Bract longer or shorter than the spikelet. Spikelets J by J in., subsquar- 

 rose ; sessile spikelets at the base of the stem are not rarely added. Glumes 

 elliptic-acuminate, mucronate, glabrous ; keel 1-3-nerved, green, sides 

 ferruginous. Style 2-fid. Nut J the length of the glume, obovoid. 



