Cyperaccae. 21 



neis; stylo 2-fido; nuce cum Y3 parte gluraae aeqiiilonga, subtrigona 

 piano -convexa, levi, cinereo- nigra. 



Jimcellus alopecuroides C. B. Clarke in Hook f. Fl. Brii. Ind. VI 

 (1S93) p. 595. 



Cypenis alopecuroides Bottb. Descr. et Ic. (1773) p. 38 t. 8 fig. 2; 

 Kunth Enum. II 19; Boech. in Linnaea XXXVI (1869— 70) p. 322 

 var. a exclusa; Duss Flor. jJ- 535. 



Hab. in Guadeloupe in fossis prope urbem Poiiite-ä-Pitre: Duss 

 n. 3105, Husnot n. 2. 



Distrib. in Africa et India frequeus; in Malaya et Queensland rariov. 



14. Juiicclliis laevigaflis C. B. Clarke, glaber, rhizomate horizon- 

 tali, 2 — 5 mm. in diam., modo 4 — 10 cm. longo, modo in aquis natante 

 usque ad 1 — 2 metr. longo culmis distantibus; culmis 1 — 6 dm. longis, 

 tennibus aut crassiusculis, apice trigonis levibus; foliis interdum cum 

 culmo aequilongis 3 mm. latis, saepius abbreviatis, haud raro (praeter 

 vaginas) 0; capite 1 — 30-stacbyo, laterali, bractea ima erecta quasi cul- 

 mum continuante; spiculis longis 1 cm., latis 2 mm., compressis turgidis, 

 16 — 40-floris, linearibus aut lineari-oblongis, rigidis, rectis aut saepe 

 curvatis; glumis spisse imbricatis, ovatis, obtusis, albis aut plus minus 

 castaneo-pictis; stylo 2-fido; nuce cum Y2 — Vs P'^^i'te glumae aequi- 

 longa, obovoidea, plano-convexa, brunea. 



Juncellus laevigatus C. B. Clarke in Hook. f. Fl. Brit. Ind. VI 

 (1893) p. 596. 



Cijperns laevigatus Linn.! Mant. (1771) p. 179; Rottb. Descr. et 

 Ic. p. 19 t. 16 fig. 1; Boeck. in Linnaea XXXV (1867—68) p. 486. 



Ci/periis mucronatus Rottb. Descr. et Ic. (1773) p. 19 t. 8 fig. 4; 

 Kunth Enum. II p. 17; Griseb. Kar. p. 118 et Flor. p. 562. 



Hab. in Jamale a: Hart n. 801, Latrobe, Macnab; Hispaniola: 

 MayerhofF, Picarda n. 1428, 1562, 1563; Portorico: Sintenis n. 2984, 

 3317, 3847, 3875; St. Thomas: Eggers n. 337, Ehrenberg n. 68; An- 

 tigua: Wullschlaegel n. 675. 



Distrib. per omnes fere terras calidiores et tropicas. 



IV. Cyperus Linn. 



Spiculae5 — 6 — multiflorae; rhachilla persistens. Glumae 2 imae 

 vacuae, persistentes; 4 — plurimae sequentes distichae, florem nucigerum 

 bisexualem foventes, a basi spiculae sensim caducae; glumae paucae 

 summae steriles aut vacuae, subtrispirae. Setae hypogynae 0. Sta- 

 mina 3 — 1, antica; antherae lineares aut breviter oblongae. Styli 

 rami 3. Nux trigona, angulo antico non raro plus minus depresso. — 

 Glabrae praeter 1 — 2 species. Culmi nudi, prope ad basin foliigeri 



