547 



Spec. Chae. Glaucous-green : culms furrowed : leaves acute : 

 spikes solitary, very rarely twin : achenia more or less tubercnlose, 

 varying in size. 



Dry pastures in the Peninsula. 



(2) A. TEISTACHTA. (YoM.) 



Ident. VaU. 1. c. 297.— WigM Contrib. p. 96. 



Syn. Cyperus ttiflorus, Linn. — Schoenus cyperoides, Ret%. 



Spec. Chae. Culms triangular, furrowed, glabrous : leaves 

 shorter, channelled, smooth : spikes 3 or 4, umbellate, one sessile, 

 rest pedicelled, oblong, acute, compressed, fructiferous ones spirally 

 twisted : involucre about 1 -leaved, short, stiff, scabrous at the 

 margin : scales compressed and keeled, broadly ovate, sharply 

 mucronate, obsoletely 9-nerved at the back : acheninm roundish- 

 pyriform, stalked, trigonal, pointed, very finely reticulated, tubercled 

 and rough. 



Peniasula. 



SECT. HI. HYPOIifTREJE:. 



GENUS XIII. LIPOCAEPHA. 



Trlandrla Monogfynia. Sex: SysU 



Gen. Chae. Spikes many-flowered : scales imbricated on every 

 side, spathulate, deciduous, some lower ones empty : inner proper 

 scales 2, parallel to the outer larger one, nearly equal, very thinly 

 membranaceous, enclosing the flower and more slowly the fruit: 

 inner one broader, embracing the outer : calyx none : stamens one, 

 seldom 2 : style 2 — ^3-cleft : acheninm flattish internally, convex 

 and obtuse angled outwardly, pointed or acuminately beaked, 

 wrapped in their own scales, one (scale) deciduous with them. — 

 Culms simple,, somewhat triangular, leafy at the base : spikes very 

 many, aggregated in heads at the top of the culm, involucrate. 



(1) L. AEGENTEA. (BfOWn.) 



Ident. Brown Congo 40. — Kunth Enum. II. p. 266. 



Syn. Hypcelyptum argenteum, VaU. — Scirpus Senegalensis, 

 Lam. 111. I. 140.— Tunga loevigata, iJo«J.— Hypolyhum loevigatum, 

 Spreng. — L. loevigata, Wight Contrib. p. 92. 



Spec. Chae.- Culms trigonal: leaves shorter, stiff, keeled and 

 flat, glabrous: spikes 3—7, ovate, obtuse: involucre 2— 4-leaved, 



