EEIOPHORUM. 
453 
outer gl. ribbed shorter than the spikelet, bristles 3—6 strong 
persistent with declining teeth, 1. flat rough on the edges and 
keel. — E. B. 791. R. viii. 293. Scir/ms caricis (Retz.). — St. 
6 — 8 in. high. Outer gl. of lowest spikelet with a subulate 
leaflike point which often overtops the spike. Glumes reddish 
brown. Nut lenticular, crowned with the long persistent 
style, shining. — Boggj- pastures. P. VI. VII. E. S. 
2. B. rufus (Link) ; spikelets 2 — 4-flowered, outer gl. smooth 
as long as the spikelet, bristles 1 — 6 slender deciduous with 
patent or ascending teeth, 1. channelled not keeled smooth. — 
E. B. 1010. St. 85. 7. R. viii. 293. Scirjms (Schrad.).— St. 
slender. Gl. dark brown, polished. Nut ovate, with a long 
beak, opaque. [Length of bract very variable even on the same plant.] 
Marshes near the sea on the Northern and Western coasts. 
P. VII. E. S. I. 
8. Erioph'orum Linn. Cotton-grass. 
* Bnstles 4 — 6, at lencith crisped. Spike solitary. 
[l. E. alpimim (L.) ; st. triquetrous rough, 1. verj' short, spike 
oblong.— i;. B. 311 (excl. the leafy shoot). R. viii. 288. St. 10. 
— A slender elegant plant. — Moss of Restenet, Forfar I (but long 
lost through drainage). P. VI.] S. 
** Bristles very many, not ci'isjjed. — t Spike solitary. 
2. E. vaginfttnm (L.) : caespitose, st. trigonous above round 
below, spike oblong, nut ohoroid, 1. long setaceous triquetrous 
channelled, upper sheath inflated leafless. — E. B. 873. R. viii. 
289.— Bogs and moors. P. V. Hare' s-tail Cotton-grass. E.S.I. 
tt Spikes more than one. 
3. E. angustifoliuvi (Roth.); st. nearly terete, peduncles 
smooth, 1. linear channelled their upper half triangular, ntit 
eUiptic-acuminate or obovoid triquetrous. — About a foot high 
and rather slender. L. triangular through more than half their 
length. Bristles 3 or 4 times as long as the spikes. E. B. 564. 
R. viii. 291. — ,S. minus : st. and 1. verj' slender. E. gracile Sm., 
E. B. 2402 (not Koch). An alpine form has but one nearly 
sessile spike. E. capitatum Don. E. B. 2387.: — y. elatius 
(Koch) ; St. strong tall, 1. 2 — 3 lines broad the triangular part 
commencing above the middle. — Bogs. ,3. on mountains. 
P. V. VI. Common Cotton-grass. E. S. I. 
4. E. ])olystdchion (L, Qva.'Roth..) ; st. triquetrous in its upper 
half, peduncles asjierous, 1. linear, nearly flat contracted above 
