Eleocharis. | CLVI. CYPERACEH (CLARKE). 409 
-retrorse-scabrous, pallid, or fewer or reduced or nearly wanting. 
Stamens 3-2. Style-branches 3. Nut obovoid, with 3 angles, truncate at. 
the top, white, conspicuously and coarsely cancellate by subquadrangular 
reticulations on the faces; style-base nearly as broad as the nut, 
pyramidal, dusky black.—Kunth, Enum. ii. 140; C. B. Clarke in 
Hook. f. Fl. Brit. Ind. vi. 629, and in Durand & Schinz, Conspect. FI. 
Afr. v. 597; Urban, Symb. Antil]l. ii. 68; Rendle in Cat, Afr. 
Pl. Welw. ii. 121. #. setacea, R. Br. Prodr. 224 in note, not the 
homonymous sp. 225. Cyperus setaceus, Retz. Obs. v. 10. Scirpus 
chetarius, Spreng. Syst. i. 203. Heleocharis chetaria, Boeck. in 
Linnea, xxxvi. 428, and in Flora, 1879, 562; Ridley in Trans. Linn. 
Soc. ser. 2, Bot. ii. 148; Engl. Hochgebirgsfl. Trop. Afr. 149. 
Nile Land. British East Africa: Jur; Jur Ghattas, Schweinfurth, 2583 ! 
Lower Guinea. Lower Congo: Kisantu, Gillet, 1137! 1138! 1370! Angola: 
Huilla ; on the lofty pastures of Morro de Monino, Welwitsch, 6964 ! 
Also in India, Malaya and Tropical America. 
8. E. Trilophus, (. B. Clarke in Durand & Schinz, Conspect. Fl. 
Afr.v. 601. A glabrous annual. Stems 1-3 in. long, tufted, very 
slender. Spikelet 1, ;1, in. long, ovoid or subcylindric, a 1ich brown, 
loosely 4—7-flowered. Lower nut-bearing glumes in 2-3 spirals, ovate, 
obtuse. Hypogynous bristles 3-5, } the length of the nut, pallid, 
retrorse-scabrid. Style-branches 3. Nut} the length of the glume, 
oblong-obovoid, smooth, with 3 strong ribs at the angles, white, very 
truncate, the 3 angles subexcurrent in points on the shoulders; style- 
base depressed pyramidal. 
Upper Guinea. Senegal, Roger, 113! Perrottet! 
9. E. Hildebrandtii, C. B. Clarke in Durand & Schinz, Con- 
spect. Fl. Afr. v. 598. A glabrous annual. Stems 2-4 in. long, 
tufted, slender. Spikelet 4 in. long, cylindric, green marked with dull 
red. Nut-bearing glumes in many spirals, ovate, obtuse. Hypogynous 
bristles 0. Style-branches 3. Nut 4 the length of the glume, obovoid, 
much narrowed at the top, trigonous, smooth, white ; style-base small, 
bulbous, not 4 the width of the nut.—Heleocharis Hildebrandtii, Boeck. 
in Flora, 1878, 34; K. Schum. in Engl. Pfl. Ost-Afr. C. 124. 
Mozamb. Dist. Zanzibar, Kirk! Hildebrandt, 1063! 
10. E. complanata, C. B. Clarke in Durand & Schinz, 
Conspect. Fl. Afr. v. 598. Stems 6-9 in. long, rather stouter than in Z. 
Hildebrandtii, flattened rather than quadrangular; heads rather 
larger ; otherwise as EL. Hildebrandtii.—Heleocharis complanata, Boeck. 
In Flora, 1879, 562. 
Upper Guinea. Niger Territory : Nupe, in rice fields, Barter, 1574 ! 
Mile Land. Bongo: Gir, Schweinfurth, 2576! 
The nut is identical with that of EZ. Hildebrandtii, and the plant may be only a 
» large state of that species. 
