390 
92. GRAMINE.®. 
in. high, b.asal sheaths common to it and tiie tuft of leaves. FI. 
often viviparous. — Lofty mountains. P. VI. VII. 
G. P. moil tana (Par.); panicle erect close slender, spikelets 
few lanccolate-ovate of 2 or 3 free 11., outer pale with 6 nerves 
the dorsal and marginal hairy, u])per sheath not longer than its 
leaf, uppermost joint at about the middle of the stem, ligule pro- 
mment ohtuse. — P. 39. — Root creeping. St. 12 — 18 in. high. 
Joints 4 or 5, the highest rather above than below the middle of 
the stem ; in my rather imperfect specimen the upper one is ex- 
posed. Panicle with long branches bearing 1 or 2 spikelets. 
Lowest ji. not longer than the large glume. — Ben Lawers (3600 
ft.). Dr. Greville. P. VI. S. 
7. P.casia (Sm.); panicle erect slender, spikelets ovate of 
2 — 5 acute freeh., outer pale with 5 nerves the dorsal and mar- 
ginal hany, upper sheath not longer than its leaf, uppermost 
joint near to the base of the stem, ligule short obtuse. — Root 
fibrous. St. 6 — 12 in. high. Lowest fl. longer than the large 
glume. — a. ccesia ; spikelets of 4 or 6 11., panicle rather spreading. 
P. ccesia Sm., E. B. 1719. P. 40. — (3. glauca ; spikelets of 2 or 3 
11., panicle rather close, 1. broader. P. glauca Sm., E. B. 1720. 
— Mountains, a. Ben Lawers. Clova. j3. Snowdon. Ben Nevis. 
P. VII. E. S. 
tt Lower branches of the panicle in fives or 2 or 3 together. 
Dorsal and marginal nerves of the outer pale hairy. 
8. P. nemoralis (L.); panicle rather drooping slender, spike- 
lets ovate-lanceolate of 3 or 4 w’ebbed 11., outer pale with 5 nerves 
the dorsal and marginal haiiy, upper sheath not longer than its 
leaf, uppermost joint at about the middle of the st. exposed, 
ligule extremely short truncate . — E. B. 1265. P. 36. — Root 
slightly creeping. St. slender, 1 — 2 feet high. Sheaths smooth. 
— angustifolia ; st. and jianicle very slender, 1. long and nar- 
row, uppermost joint near the panicle, spikelets few 1 — 2-llow- 
ered. — y. glauca ; st. slender, panicle with many long-stalked 
spikelets, plant glaucous. — Shady places, y. Mountains. P. VI. 
VII. 
9. P. Parnellii (Bab.) ; panicle erect large rather close oblong, 
spikelets ovate of 2 or 3 acute free fl., outer pale with 5 nerves 
the dorsal and marginal hairy, upper sheath usually longer than 
its leaf, upper joint at about the middle of the st. exposed, ligule 
very short truncate. — E. B. S. 2916. P. 93. — St. ascending, 1 ft. 
or more high, compressed ; joints 5 or 6, uppermost not above 
the middle of the stem. Ligule 6 times as broad as long, but 
longer than that of P. nemoralis to which this is perhaps too 
nearly allied. Occasionally there is a slight trace of a web to 
