680 CLXXI. CYPERACEX. (C. B. Clarke.) [Hypolytrum. 
woody horizontal rhizome. Stem trigonous, nearly smooth, with few leaves upwards. 
Leaves often as long as stem, } in. broad, gradually narrowed at both ends ; margins 
scabrous. Corymb 1} in. diam., with 12-20 spikes; bracts often 6 in., resembling 
the leaves. Spikes 4 in., ellipsoid, dirty straw-colrd. Bracteoles (glumes) ovals, 
striate, falling with nuts. Lateral third glume to spikelet monandrous or sterile. 
Nut scarcely Ae in., subglobose, olivaceous, wrinkled. 
22. THORACOSTACHYUM, Kurz. 
Leaves flat, 3-nerved, narrowed gradually at each end. Spikes panicled, 
branches rigid ; bracts long, like the leaves. Spikelets small, with usua 
4 glumes (of which lowest sometimes monandrous) interposed between t h 
two opposite navicular basal male fl. and the terminal pistil. Style 3- » 
Nut osseous, shining; beak conic acute (not seen in T. hypolytroides). 
Species 5, in Ceylon, Seychelles, Malaya, Australia. 
1. T. bancanum, Kurz in Tydsch. Nat. Vereen. Ned. Ind. xxvii. 285, 
and in Bot. Zeit. xxiii. (1865), 204 (Thoracostachys, name only) an ‘kes 
Journ. As. Soc. Beng. xxxviii. pt. ii. 76; stem 14-83 ft., cory mb rigid, Sp a 
short ellipsoid, style 3-fid, nut shining testaceous with 3 longis pe 
grooves in its conical top. Lepironia bancana, Mig. Fl. Ind. Bat. pei 
604 aud IU. Fl. Archip. Ind. 63. Hypolytrum borneense, Kurz in. oura 
As. Soc. Beng. xxxviii, pt. ii. 74; Mig. Ill. Fl, Archip. Ind. TZ, 
bancana, Benth. & Hook. f. Gen. Pl. iii. 1055.—Hypolytrum, Walt, Cat 
3401, 3404 E.—Cyperus, Wall. Cat. 3371 B (partly). 
SINGAPORE; Wallich, Ridley. Maracca; Griffith (Kew Distrib, 6278). 
DisTRIB. Malaya. otely 
Stolons slender, hardening into a woody rhizome. Stem scabrous at top, ae M 
(or not) leaf-bearing upwards. Leaves often as long as stem, 3 in. broad ; bas qu 
least near tips) seabrous. Corymb 1-2 in. diam., with sometimes 50 spikes; t nuts 
often 6 in., leaf-like, Spikes A in. diam., ultimately } in., beaks of persisten D 
spreading on all sides, — Bracteoles hardly 4^; in., ovate, obtuse, striate, horny. Ar 
about A in., beak none, or rather completely fused with nut; grooves very th 
spathulate. 
Griffith, 
. Var, longispica ; spikes 4 in. oblong smutted, nuts perfect— Malacca ; w 
Kew Distrib. n. 6357).—The abnormal elongation of the spikes is supposed due 
the Ustilago, 
. e- 
2. T. hypolytroides, C. B. Clarke; very large, panicle large d 
compound with 800 spikes, glumes (bracteoles) membranous € IPs. 
glumes intercalated between two basal male fi. and pistil, dëch 
Hypolytrum Pandanophyllum and Pandanophyllum hypolytro! ji. 341. 
Muell. Fragm. ix. 16. Mapania hypolytroides, Benth. Fil. Austral. “ 
M. Pandanophyllum, Schum. & Holl. Kaiser Wilhelms Land, 20. 
. nsland. 
Matay PENINSULA; Johore, Ridley n. 4093,—Disreis. N. Guinea, pikes soli- 
Stem 3-5 ft. Bracts 32 by 1 in., 3-nerved. Panicle 12 by 8 in. 
tary § in., cuboid-ellipsoid, of very many spikelets. 
23. MAPANIA, Aubl. bur 
Btem very short ; inflorescence congested on scapes. Leaves ong, 0 
tough and coarse. Spikelet of 6 (or 5) glumes besides the ban, gide 
two lowest boat-shaped, opposite, monandrous ; third (on the an us; 
of spikelet) plane-coneave, not keeled, thin, sterile or monandrovss 
often 
