POA. 
401 
** Root Jibrous, perennial. 
t Lower pan.-branches solitary or in pairs. Dorsal and mar- 
ginal veins of the lower pale haiiy. 
2. P. hdbdsu (L.) ; pan. close erect, spikelets ovate of 3 or 4 
acute webbed' fl., lower pale with 3 silky veins, upper sheath 
below the middle of the st. much longer than its leaf, ligule 
prominent acute. — E. B. 1071. P. 89. — Root fibrous. IBase of 
the St. and oftsets swollen bulblike. L. with a narrow white 
serrate edge. The st. soon wither and the bulbs lie loose 
until the autumn. — Sandy sea-shores of the South and East. P. 
IV. V. E. 
3. P. minw (Gaud.) ; pan. oblong subovate, spikelets of 3 or 
4 webbed Ji., laivcr 2'ale ii'ith 5 veins but only 3 hairy, upper 
sheath longer than its leaf which is folded and slightly incurved 
but taperiiKj at the tip, uppermost knot covered, upper ligule 
long acute, lower ones short rather blunt. — P.Jlexuosa Sm., E. B. 
1123. ? not of others.— Eoot fibrous. St. 6 — 8 in. high. Fl. 
often viviparous. — Lofty mountains. Loch-na-Gar. Ben Nevis. 
P. VII. VIII. s. 
4. P. lax' a (Haenke !) ; pan. lax slightly drooping, spikelets 
oblong-ovate of 3 free fl., lower pale with 3 hairy veins, upper 
sheath longer than its leaf which is flat and taper-pointed, upper- 
most knot covered, ligules all long acute. — P. 38. — Root fibrous. 
St. 6 — 12 in. high. Fl. often viviparous. — Lofty moimtains. 
Loch-na-Gar. P.VH.VIH. S. 
5. P. aljnna (L.) ; pan. erect spreading when in flower, spike- 
lets ovate of 3 or 4 free fl., lower jmle with 3 hairy veins, upper 
sheath longer than its leaf which is folded and rounded behind 
the tip, uppermost knot exposed, ligule long pointed. — E. B. 
1003. P. 37 & 94.— Root fibrous, tufted. St. (3—12 in. high, 
basal sheaths common to it and the tuft of leaves. Fl. often 
viviparous. — Lofty mountains. P. VI. VII. E. S. I. 
6. P. c(s'sia (Sm.) ; pan. erect slender, spikelets ovate of 2 — 5 
acute fi-ee fl.^ louver pah with 5 veins but only 3 haiiy, upper 
sheath about as long as its leaf which is folded and slightly in- 
curved but tapering at the tip, uppermost knot near to the base of 
the stem, ligide blimt. — Root fibrous. St. 6 — 12 in. high. Lowest 
fi. longer than the large glume.— a. casia ; spikelets of 4 or 5 fl., 
pan. rather spreadmg. P. ccesia Sm., E. B. 1719. P. 40.— /3. 
glaiica ; spikelets of 2 or 3 fl., pan. rather close, 1. broader. — 
Mountains, a. Ben Lawers. (Jlova. jS. Ben Nevis. Snow- 
don. P. vn. E. s. 
1 That is, connected together by fine cottony fibres growing from the 
base of each flower : when these are wanting, the fl. is said to be/r«e. 
