148 
CL VII. GRAMINEiE (Stapf). 
[Sorghum. 
Subvar. glabrescens, Busse & Pilger, Engl. Jahrb. xxxii. 187. 
Glumes about three-quarters as long as the grain, glabrescent. 
Upper Guinea. Togo : Sokode, Kersting, 5a. a. 1910. 
Mozambique Distr. Gorman East Africa : Kilossa, Busse, 1146. 
Subvar. Holstii, Busse & Pilger, l.c. Glumes half to two-thirds 
as long as the grain, more or less hairy. — A. Sorghum, var. Holstii, 
K. Schum. in Engl. Pfl. Ost-Afr. B. 44 (according to Busse & Pilger). 
Mozambique Distr. German East Africa : Usambara, Holst. 
According to Busse and Pilger the variety charisianus forms together with var. 
callomelcena, a natural group. 
10. A. S., var. concolor, K. Schum. in Engl. Pfl. Ost-Afr. B. 42. 
Panicle ellipsoid to ovoid, narrowed to both ends, about 6 in. by 
2J- in. ; branches erect, hairy. Sessile spikelets much crowded, 
rhombic to ovate in outline, acute, 2 lin. long, hairy at the callus, on 
the sides and below the tip ; awn delicate. Glumes yellow. Grain 
1^-2 J lin. by l§-2 lin., pale yellow, exceeding the tightly appressed 
glumes by J— | lin. 
Mozambique Distr. German East Africa : Ugogo ; Kisokwe, Stuhlmann, 
326. 
11. A. S ., var. densissimus, Busse & Pilger in Engl. Jahrb. xxxii. 
188. Panicle nodding, almost cylindrical, quite compact, 6 in. by 
2-2J in. Glumes more or less turning black, obtuse, pubescent at 
the base and the sides. Grain slightly compressed, dull brownish- 
red or whitish, 2 lin. by 1-J lin., much exserted from the tightly 
appressed glumes. 
Mozambique Distr. German East Africa : Ugogo ; Hindi, Busse, 271, 272. 
Vernacular name “ hemba herriba meii'pe ” (the white variety). 
This and the preceding may be identical. The affinity is doubtful. 
12. A. S., var. Eichingeri, Piper in Proc. Biol. Soc. Wash, xxviii. 
33. Culms slender, up to 3 ft. high. Leaf-blades 4-8 in. by 5-10 
lin., bright green, glabrous at the nodes. Panicle erect, very narrow, 
6-8 in. long ; branches erect, the longest half the length of the 
panicle. Sessile spikelets readily deciduous, ovate-lanceolate, acumi- 
nate, 3J lin. long, densely covered with appressed silvery hairs, 
awned. Lower glume 7-9-nerved. Awn to over 2 in. long. Pedi- 
celled spikelets narrow, glabrous, on very hairy pedicels. 
Mozambique Distr. German East Africa : Buibo, Eichinger, 3365. 
Piper’s description reads almost exactly like that of S. cethiopicum, except 
for the longer awns and the glabrous pedicelled spikelets. 
13. A. S., var. elegans, Koern. in Baumann, Usambara, 318. 
Panicle pyramidal, effuse, 8-12 in. long ; rhachis and branches 
