200 GRAMINEAE. [ Poa. 
25. P. exigua Hook. f. Handb. N.Z. Fl. (1864) 338.—Culms densely 
tufted, small, slender, quite smooth and glabrous, leafy, 1-5in. high. 
Leaves numerous, shorter than the culms or rarely equalling them, 4-3 in. 
long, very narrow, involute, setaceous, erect, soft and flaccid, smooth ; 
sheaths lax, thin, grooved; ligules short, white, membranous. Panicle 
small, }-? in. long, rarely more, narrow, contracted, usually dense-flowered ; 
branches few, short, erect. Spikelets few or many, green tinged with 
purplish-red, ovate, small, 4,-;1n. long, 2-3-flowered. Two outer glumes 
unequal, membranous, minutely scabrid on the upper part of the keel; 
lower oblong-lanceolate, acute, l-nerved; upper larger and broader, ? 
the length of the whole spikelet, oblong, obtuse, 3-nerved. Flowering 
glumes broadly oblong with white membranous margins, obtuse, 5-nerved, 
smooth or minutely scaberulous on the keel above, quite glabrous at the 
base. Palea linear-oblong, glabrous. Anthers oblong, minute, about 
sy in. long.—Buch. N.Z. Grasses (1880) t. 508; Cheesem. Man. N.Z. Fl. 
(1906) 911. 
SoutH [stanp: Canterbury—Mount Arrowsmith, Cockayne and R. M. Laing ; 
Lake district, Hector and Buchanan ; Mount Pisa, Hector Mountains, Mount Cardrona, 
Petrie! Humboldt Mountains, Cockayne ! 3500-6000 ft. 
26. P. Maniototo Petrie in Trans. N.Z. Inst. xxii (1890) 443.—Culms 
forming small compact tufts, slender, leafy below, naked and filiform above, 
smooth and glabrous, 1-3 in. high. Leaves much shorter than the culms, 
pale glaucous-green; blade }-?in. long, very narrow, filiform, involute 
and almost terete, grooved down the back, obtuse at the tip; sheaths 
broad, pale, membranous, grooved; ligules long, broad, hyaline, often 
bifid or irregularly lacerate. Panicle reduced to an oblong spike-like 
head 4-4in. long of 4-12 spikelets. Spikelets pale glaucous-green, about 
é in. long, ovate, 4-7-flowered. Two outer glumes subequal, ovate-oblong, 
acute, the lower 1-nerved, the upper 3-nerved with the lateral nerves faint. 
Flowering glumes ovate-oblong, obtuse, faintly 3-5-nerved, the lateral 
herves sometimes obsolete, silky all over with very short crisped hairs. 
Palea shorter than the glume, linear-oblong, silky on the keels. Anthers 
oblong, very minute, about +; in. long.--Cheesem. Man. N.Z. Fl. (1906) 
912. 
SoutH Istanp: Canterbury—Broken River basin, Mackenzie Plains, 7. F. C. ; 
Mount Arrowsmith, Cockayne and R. M. Laing. Otago—Dry plains in the interior, 
Kurow, Maniototo, Bendigo, Mount Pisa, Petrie / Lake Wanaka, T. Kirk / 1200-3000 ft. 
27. P. selerophylla Berggr. in Minneskr. Fisiog. Sallsk. Lund. (1877) 
30.—Horming small dense tufts. Culms stout, erect, rigid, compressed, 
leafy, 2-8in. high. Leavés numerous towards the base of the culms and 
sheathing their whole length, much shorter than them, glaucous or greenish- 
grey, everywhere rough with minute projections; blade 42 in. long, 
narrow, folded, 4-4 in. broad when spread out, rigid and coriaceous, acute 
or almost pungent, straight or curved, strongly grooved, quite glabrous ; 
sheaths broader than the blade, pale, compressed, the upper 1 or 2 very 
long and sheathing the culm: ligules rather long, membranous. Panicle 
7-2 in. long, very narrow, contracted, dense, spiciform, pale whitish-green ; 
branches numerous, short, erect. Spikelets numerous, small, about § 10. 
long, 2-4-flowered. Two outer glumes subequal, about 2 the length of the 
whole spikelet, oblong-lanceolate, acute, 3-nerved, the lateral nerves faint. 
(97. P. buchanan Lote - MBAR, 
