Chloris. ] GRAMINE® (Stapf). 641 
1. C. pycnothrix (Trin. Gram. Unifl. 234); perennial or annual 
(flowering the first year’), 1-1 ft. high; stems prostrate, emitting 
tufts of barren shoots and culms from t e rooting nodes; culms 
geniculately-ascending, 2-3-noded, more or less sulcate below, 
glabrous, upper internodes exserted ; leaves conspicuously distichous ; 
basal sheat hs much sao. hag keeled, short, uppermost Aa, 
subtumid, all glabrous, smooth ; ligules ‘Tmembranous, up to + lin. 
long, ciliolate ; blades linear, obtuse, 11-2 in. by 13-2 lin., rarely 
longer, flat, glaucous, glabrous, smooth or scaberulous above, margins 
tough ; spikes 3-9, sessile or some shortly peduncled, umbelled or 
subumbelled, ah Bier at length usually spreading, ae or perpen 
11-3 in, long ; rhachis seabrid ; on elets 2-aw 1 lin, long; 
rhachilla joints between the valves 2 the length of ee lower valve, 
fine, rhachilla not produced ; glumes very narrow, lanceolate, 
ofile, 
2-toothed, 12 lin. long, glabrous, keel and tip scaberulous ; callus 
minutely bearded, awn very fine, 6-8 lin. long; pale glabrous, keels 
scabrid ; anthers 1 lin yg grain linear-oblong, 2 lin. long; upper 
valve rudimentary, empty 1 Tin long, awn 2-3 lin. long. ees, 
Agrost. Brasil. 423 ; Kunth, "iii, i. 266 ; Anderss. in Peters, Reise 
Mossamb. Bot. 556. C. bey yrichiana, Kunth, kév. Gram. 89 and 289, 
6; Enum i. 265; Steud. Syn. Pl. Glum. i. 205. C. —— 
Hochst. ex A. Rich. ‘T ent. Fl. Abyss. ii. 407 ; Steud. Syn. PI. 
1. 206; Schweinf. in Bull. Herb. Boiss. ii. ‘App. ii i. 32 ; Pace vi 
Schinz, Consp. Fl. Afr. v. 861. C. intermedia, A. Rich. lc. 407; 
Steud. le. C. leptostachya, var. intermedia, Durand § Schinz, le, 
C. radiata, Durand § Schinz, Consp. Fl. Afr. v. 862, non Swarts. 
Eastern ReGion: Natal; Umpumulo, 1800 ft., Techomans 185! Inanda, 
Wood, 1590! 
Also in tropical Africa, and Eastern Brazil and Paraguay. 
2. C. vir gata (Swartz, Fl. Ind. Oce. i. 203); perennial or annual 
ten: ie first year ?), 1-3 ft. high ; culms ereet or geniculately- 
ascen nding or prostrate below, rooting and emitting fascicles of barren 
shoots from the — 3—5-noded, more or less compressed below, 
glabrous, smooth, rnodes exserted ; sheaths glabrous, rarely 
sparingly sl metas the lower much compressed, keeled ; ligules 
gradually ~ ring to an acute point, 1- 1} lin., flat or 
olded, sometimes flaceid, glaucous, glabrous, sae piers reap 
po th phe, seaberulous _above, ma rgins rou 4 er 
join 
glumes narrow, lanceolate, hyaline, mucronate, keels aha, ha 
lower 1-12 Jin . long, the e upper almost 2 lin. ; lower valve obliquely 
oblong, acute or chanaetle: @ -toothed, 1+ lin. long, aaa oF almost 
VOL, vir. 
