186 GRAMINEAE, | Poa, 
Culms 5-20in., leafy throughout. Leaves flat, $-Lin. 
broad. Panicle 2-4in. Flowering glumes Be -nerved, 
glabrous except a tuft of crisped hairs on the callus .. 2. P. Hamiltoni. 
Culms 3-18 in., leafy at the base. Panicle 1-4in. Flower- 
ing glumes faintly nerved, glabrous except a tuft of 
crisped hairs on the callus .. 3. P. novae-zelandiae, 
Culms tall, 2-3 ft. Leaves linear- flitorm, Panicle 3-51 in. 
Spikelets 1 zin., 4—5-flowered . a .. 4. P. litorosa. 
Culms shorter, "12 15 in. panes ovate- shina 2-24 in. 
Spikelets Lin., 5—6-flowered -. 5. P. Aston, 
Culms 12-18in. Panicle very narrow - eat 2-4 in. 
Flowering glumes finely acuminate, callus and keel with 
floceose hairs oe “. “4 ns ». 6. P. oraria. 
** Culms many-noded, decumbent or prostrate at the base, much branched. 
Panicle narrow. 
Culms prostrate or persons from cliffs, much branched. 
Leaves flat, flaccid, ,-$in. broad. Panicle 1-2in. long 7. P. ramosissima. 
Culms creeping or prostrate at the base. Leaves linear, 
almost filiform. Panicle 2-4 in, long -» 8 P. Guthrie-Smithiana. 
Culms 6-18 in., branched, distichously hea Pete flat 
or complicate. Panicle 1-3 in. . .. 9. P. polyphylla. 
B. Two outer glumes reaching more than half-way wp the flowering glumes i ao ig 
above them. Flowering glumes obtuse or subacute, rarely acute. Anthers 2, in. 
long, linear. 
* Culms long or short; rhizome tufted or stoloniferous. Leaves flat or complicate 
or involute, not terete nor polished, not specially rigid, never pungent-pointed, 
t Rhizome tufted. Ligules reduced to a truncate rim. 
Culms 6-36in., usvaily stout. Leaves flat or concave, 
zo in. broad. Panicle large ; branches usually ternate 
or quinate. Spikelets 4-4 in. Flowering glumes minutely 
scaberulous, keel scabrid, callus and lower part of glume 
with a few crisped hairs es : : .. 10. P. anceps. 
Culms 4-15 in., slender. Leaves narrow, sometimes filiform. 
peur 13-3 in., branches usually binat Spikelets 
hin. Flow ering glumes as in P. anceps bat smoother ll. P. seticulmis. 
tt Rhizome creeping or stoloniferous ; ligules shovt, truncate. 
Culms 1-9in. Leaves narrow, setaceous, Panicle 4-2 in., 
few - flowered. Spikelets $-+in. Flowering ‘glumes 
smooth, callus and lower part of keel and margins with 
crisped hairs - . 12. P. pusilla. 
Culms 4-6in. Leaves soft ead fyecia: Panels 2-24 in. 
Spikelets 4tin. Flowering glumes ovate, elabrous or 
with few crisped hairs on the callus .. . 13. P. aucklandica. 
Culms 6-I5in. Leaves usually shorter than the real iti 
flaccid. Panicle broad, lax, few-flowered. Spikelets 
z in. long, 4—8-flowered i . 14. P. dipsacea. 
Culms 12-18in. Leaves maoh shanter than the Saline 
rigid, erect, obtuse. Panicle broad, peNcoee ) Spikelets 
Lin. long, 5-6- flowered * 15. P. Cheesemanit. 
Culms 12-20in. Leaves shorter Bena the sulne eta. 
weute. Panicle broad, lax. Spikelets 3+ in. long, 
2—3-flowered As & a: .. 16, P. Cockayniana. 
TTT Rhizome creeping, stoloniferous; ligules a transverse band of short 
dense hairs. 
Culms 12-24 in. abe shorter than the culms, rigid, 
erect. Panicle 14-3in., dense. Spikelets 4-4 in. ‘ 
Flowering glumes 4-5. nerved F a3 .. 17. P. chathamica. 
‘ Vein xe Sub. 5. 221904: 4 TF 
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