448 CLVI, CYPERACEE (CLARKE). [ Scirpus. 
Stem terete, leaves usually 0 z . . 15. S. lacustris, 
Stem trigonous; very leafy species. 
Umbel of 3-40 dark or dusky spikelets . 17. S. maritimus, 
Umbel of 200 pale bright brown spikelets 18. S. leteflorens. 
Hypogynous bristles plumose; leaves hardly 
avy - : c C - : . 19. S. littoralis, 
#***MICHELIANI.—Small, leafy plants. Stem without nodes between the base 
and small head. Spikelets small, numerous, densely and minutely stellate. Hypo- 
gynous bristles 0. Style linear; branches long. (In characters, this group differs 
little from subgenus Isolepis ; but, from their habit, they are mixed with Kyllinga, 
Mariscus, and Lipocarpha, by Cyperologists as well as by collectors). 
Spikelets minute, fused into 1 head; points of 
glumes straight . : : . 20. S. kyllingioides, 
Spikelets rather larger, capitate ; points of glumes 
subrecurved 4 4 < Z : . 21. S. Steudnert. 
##***MTOROSTYLI.—Small or slender annuals. Stem without nodes between the 
base and the small head of few spikelets. Hypogynous bristles 0. Style hardly 
any, caducous ; stigmas very small, recurved. 
Style 3-fid. Spikelets squarrose, from the recurved 
points of the glumes. 
Nut linear-oblong . ; . > . . 22. S. Lugardi. 
Nut obovoid. 
Awns about as long as the glumes; nut 
obscure reticulate a : : . 23. S. squarrosus. 
Awns longer than the glumes; nut prominently 
reticulate “ - E A : . 24. 8. Hystrix. 
Style 2-fid, Spikelets terete, not or obscurely 
squarrose. 
Spikelet 1 to the stem; glumes not acumi- 
nate . : : : . 25. S. Isolepis. 
Spikelets 3-1 to the stem; glumes shortly 
acuminate. “ “ - c . 26. S. micrant hus. 
1. S. spadiceus, Boeck. in Linnea, xxxvi. 493, not of Linn. 
Glabrous. Roots fibrous, or rhizome hardly any. Stems tufted, 
8-12 in. long, slender, bearing 1 spikelet. Leaves few, } as long as the 
stem, setaceous. Spikelet 4-} by 1-1 in. cylindric, dense, obtuse at the 
top and bottom, a full rich dark red-brown; bract 1, setaceous, $4 in. 
long. Glumes round-ovate, concave, scarious, rich-brown, har ly 
keeled or striate, very persistent after the nut has fallen. Hypogynou® 
bristles 0. Style 2-fid. Nut scarcely } the length of the glume, obovoid, 
compressed, smooth, chestnut-black.—Benth. et Hook. f. Gen. Pi. iil. 
1050; C. B. Clarke in Durand & Schinz, Conspect. Fi. Afr. v. 630 ; 
Urban, Symb. Antill. ii. 90. Hriocaulon spadicewm, Lam. Il. 1. 214. 
Nemum spadiceum, Desveaux ex W. Hamilt. Prod. Ind. Oce. 13; 
Kunth, Enum. ii. 220. 
Upper Guinea. Sierra Leone: Regent, Scott-Elliot, 4034! and without pre- 
cise locality, Afzelius ! Smeathmann (ex Lamarck), Morson ! 
Also in Hayti. 
2. S. angolensis, C. B. Clarke in Durand & Schinz, Conspect. Fi. 
Afr. v. 617. Glabrous, except the glumes. Stem 8-12 1. long; 
slender, with 1 sessile and often 2 peduncled spikelets. Leaves : 
length of the stem, setaceous. Spikelets } in. long, ovoid, brig 
