446 CLVI, CYPERACEH (CLARKE). | Bulbostylis. 
2000-6000 ft., Whyte! Mount Malosa, 4000-6000 ft., Whyte! Mowt Zomba, 
4000-6000 ft., Whyte! Mount Mlanji, Whyte / 
Plentiful in Madagascar, and also received from the Transvaal. 
38. B. cylindrica, (. B. Clarke in Durand & Schinz, Conspect. 
Fl. Afr. v. 613. A slender annual. Stems tufted, 4-6 in. long, 
setaceous, at the top glabrous, with 1 sessile and two long-pedicelled 
spikelets. Leaves hardly 1 in. long, setaceous ; sheaths nearly glabrous, 
but with a few long very slender white hairs in the throat. Bracts to 
the umbel hardly + in. long. Spikelets 4 by ,/; in., narrow-cylindric, 
rusty-brown. Glumes obscurely keeled, ovate-oblong, obtuse, pubescent. 
on the back, long ciliate on the margin; keel 3-nerved, not excurrent. 
Nut less than } the length of the glume, trigonous, broadly obovoid, 
truncate, yellow-brown, smooth, obscurely reticulated. Style as long as 
the nut ; branches 3, long; base persistent on the nut, small, button- 
like, brown. 
Lower Guinea. Ang la: Huilla; Humpuata, Newton, 28! 
Imperfectly known species. 
39. Scirpus (Oncostylis) buettnerianus, Boeck. Cyp. Nove, 
i. 20. Pale green, tufted ; roots fibrous, capillary. Stems 4-6 in. long, 
setaceous, gently curved, obsoletely 4-angled, smooth, at the base many- 
leaved. Leaves much shorter than the stem, setaceous, channelled, 
acute, near the top spinulose; sheaths pale brown, bearded in the 
throat. Head 4-3 in. in diam., subhemispheric, of 4—8 spikelets ; bracts 
3, setaceous, dilated towards the base, rusty-brown ciliate, the lowest 
twice longer than the head. Spikelets j% in. long, ovoid, terete, 7- 
flowered. Glumes spirally imbricate, keeled, ovate, obtuse, glabrous 
on the back, chestnut-coloured, not ciliate on the margin. Nut less 
than 3 the length of the glume, minute, round obovoid, truncate, 3-angled 
with convex faces, pale brown, pearly white with many small dots ; 
style-base very minute, depressed, brown.—Boeck. in Verhandl. Dom 
Ver. Brandenb. xxxi. 71. 
Lower Guinea. Lower Congo: Underhill (Tundua), Bittner, 4, 5 (ex 
Boeckeler), 
11. SCIRPUS, Linn.; Benth. et Hook. f. Gen. Pl. iii. 1049 (incl. 
HEMICARPHA, Nees; Benth. et Hook. f. l.c. 1053). 
Spikelets of many perfect flowers, with imperfect ones at the top; 
0-2 lowest glumes empty. Fertile glumes in 3 or more spirals. 
Hypogynous bristles usually retrorse-scabrid or 0, plumose in S. littoralts ; 
perhaps represented by hyaline scales occasionally present in . Tsoleprs 
and S. micranthus. Stamens 3-1, anterior; anthers muticous OF 
scarcely crested. Ovary sessile (if stalked cf. Ficinia); style on 
linear or hardly any; branches 3 or 2, long or short; style-base = 
enlarged, not distinct by a constriction or difference in structure, but 
