482 CLVI. CYPERACEH (CLARKE). | Rynchospora. 
Enum. ii. 278. Scleria pygmwa, Nees in Flora, 1828, 332, not of 
Spreng. 
Upper Guinea. Jsert! 
Also in Teneriffe and Tropical America. 
7. R. Barteri, ©. B. Clarke in Durand &: Schinz, Conspect. Fl. Afr. 
v. 653. Glabrous. Roots fibrous. Stems 8 in. long, very slender, 
with nodes and leaves (or bracts) throughout their length. Leaves 
4-6 by ;, in. Corymbs about 3, distant, of 3-5 small pallid spikelets, 
1_Lin.in diam. Spikelets 1 in. long, ovoid-lanceolate, each perfecting 
1-2 nuts. Glumes ovate, the 3 lowest empty and minutely mucronate. 
Style longer than the nut; branches 2, slender, longer than the style. 
Nut broadly ovoid, biconvex, hardly $ the length of the glume, nearly 
sessile, smooth, brown; style-base depressed conic, much narrower 
than the nut. 
Upper Guinea. Niger Territory : Nupe, Barter, 1010! 
This species differs little from R. divergens, Britton, which, with several closely 
allicd species, is plentiful in the South United States and West Indies ; but I have 
not been able to match R. Barteri with any American plant. 
8. R. glauca, Vahl, Enum. ii. 233. Glabrous. Rhizome very 
short, horizontal, Stems 1-2} ft. long, rather slender, with nodes an 
leaves (or bracts) throughout its length. Leaves 8-12 by 3 ™ 
Panicle compound, oblong (sometimes reduced tu a quasi-terminal con- 
tracted corymb), often 8 by 2 in., with distant lower peduncles carrying 
. 20-40 spikelets each ; peduncles and pedicels suberect. Spikelets 3-5 
in. long, ovoid, subacute, chestnut-brown, each perfecting 1 or 2 nuts. 
Hypogynous bristles 6, about as long as the nut, brown, with upward- 
pointing teeth. Style about as long as the nut ; branches 2, longer 
than the style. Nut 3-3 the length of the glume, proadly-ellipsoid, 
biconvex, chestnut-brown, obscurely transversely wrinkled by wavy 
lines ; style-base } the length of the nut, depressed conic.—\-. © 
Clarke in Hook. f. Fl. Brit. Ind. vi. 671,in Durand & Schinz, Conspect. 
Fl. Afr. v. 654, and in Dyer, Fl. Cap. vii. 268 ; Urban, Symb. Antill. 
ii, 128. Rhynchospora glauca, Roem. & Schultes, Syst. Veg. ii. 895 
Kunth, Enum. ii. 297 excl. several synonyms; Boeck. in Linnea, 
xxxvii. 585. BR. lava, R. Br. Prod. 230; Kunth, Enum. ii. 2985 Coss. 
& Durieu, Expl. Scient. Algér. Glum. 239. 
Mozamb. Dist. British Central Africa : Nyasaland ; Mount Zomba, 4000- 
6000 ft., Whyte ! 
Common in nearly all tropical and warm temperate regions, except Tro 
Africa. 
pical 
Imperfectly known species. 
9. R. senegalensis, Steud. Syn. Pl. Glum. ii. 
spord. Stem above 1 ft. long, triquetrous, smooth, b 
Leaves shorter than the internode, narrowly lanceolate, 1— 
smooth. Corymb terminal, 1 or 2 axillary corymbs sometimes 
149 sub Rhyncho- 
earing reat 
eS, by ry 1n., 
: added. 
