286 FLORA OF NEW ZEALAND. | Cyperacee. 
Has. Northern Island. Summit of the Ruahine range, Colenso. 
Culms filiform, slender, rough towards the tips. Leaves flat, longer than the culms. Bracis setaceous, short, 
sometimes becoming leafy, and longer than the spike. Spike lax-flowered, 14-24 inches long, 1 line broad, with or 
without bractez. Male portion very slender, setaceous, with small alternate scales; female with equidistant 
approximate scales. Perigynia 24-22. lines long, 4-2 line broad, lanceolate, serrate, rough at the top, longer than 
persistent, blunt or sharp, lanceolate scale. 
2. Uncinia distans, Boott; spica filiformi laxiflora subelongata longe setaceo-bracteata, perigyniis 
linearibus leviter nervatis apice scabris squama lanceolata acuta decidua longioribus. Boott, MSS. 
Has. Northern Island. East Coast, Titiokura, Colenso. 
Culms 2 feet high, slender, filiform, rough towards the tip. Leaves flat. Spike 2-8 inches long, slender, lax- 
flowered, with long setaceous bracts. Male scales uniform, lanceolate, closely imbricated, deciduous. Perigynia 
32 lines long, 3 line broad, linear, rough at the tip. 
3. Uncinia Zeptostachya, Raoul; spica filiformi laxiflora elongata nuda, perigyniis linearibus leviter 
nervatis superne scabris squama lanceolata obtusa persistente longioribus. Boott, MSS. U. leptostachya, 
Raoul, Ft. Nov. Zel. p. 19. t. 5. U. australis, Forst. 
Has. Middle Island. Queen Charlotte’s Sound, Forster. Akaroa, Raoul. 
Culm slender. Leaves flat. Spike lax-flowered, 4-8 inches long, 1 line broad, without bracts. Male scales 
small, alternate, laxly imbricated; female lower, rather distant, lanceolate, blunt, persistent. Perigynia 31 lines 
long, + line broad, linear, rough at the tip. 
8 b. Perigynia smooth. Spike oblong or elongated, generally lax-flowered (in U. divaricata, U. australis, and 
U. ferruginea many-flowered). 
4. Uncinia divaricata, Boott; spica oblonga pluriflora densa pallida setaceo-bracteata, perigyniis 
fusiformibus triguetris utrinque attenuatis ore integro leviter nervatis demum divaricatis sguamam lanceo- 
latam acutam pallidam deciduam æquantibus. Boott, MSS. 
Has. Northern Island; Ruahine mountains, Colenso. Middle Island; Milford Sound, Zyall. 
Culms 4-6 inches long, smooth. Leaves 1-2 lines broad, lax, grassy, longer than the culm. Spike oblong, 
dense-flowered, 8-12 lines long, 4 (becoming 8) broad, the upper fourth male. Scales pale, uniform, lanceolate, 
acute, deciduous, the lowest shortly cuspidate. Perigynium 24 lines long, 2 broad, spindle-shaped, triguetrous. 
Achenium 14 line long, broad, subplano-convex; mouth contracted, variable in size, some of Mr. Colenso’s Ruahine 
mountain specimens being especially so— Allied to U. compacta, Brown, but the spikes are pale, more dense and 
with more numerous and crowded flowers; the perigynia are narrower, and become spreading, and the leaves are 
longer and laxer. 
5. Uncinia rupestris, Raoul; spica 1-2-pollicari sublaxa setaceo-bracteata, perigyniis ovatis attenuatis 
subsessilibus trinervibus, rostro oblique truncato squamam lanceolatam acuminatam obtusiusculam margine 
scariosam subeeguantibus. Boott, MSS. U. rupestris, Raoul, p. 13. 4. 5. U. riparia, Hook. fil. in Lond. 
Journ. Bot. v. 3. p. 411. non Br. U. Hookeri, Boott in Fl. Antarct. v. 1. p. 91. t. 51. 
Has. Middle Island; Akaroa, Raoul. 
Culm slender, smooth. Leaves flat, longer than the culm. Spikes one or two, an inch long, lax-flowered, with 
setaceous bracts. Seales lanceolate, acuminate, blunt, with searious margins. Perigynia ovate, three-nerved, with 
a blunt oblique mouth, as long as the scale. 
6. Uncinia filiformis, Boott; spica oblonga laxiflora nuda v. bracteata apice imbricatim mascula, 
perigyniis linearibus leviter nervosis squamam ovato-lanceolatam eequantibus. Boott, MSS. 
Haz. Northern Island; top of the Ruahine mountains, Colenso. Middle Island, Zyall. 
