Graminese. 
415 
F. ovina vaginata Koch,—Dry hilly places, pine-woods; 
Bex, Aigle, Tombey (Jaccard), above Lausanne (Favrat), 
Geneva, Axenstrasse, Uto, Albis, Hornli. 7 
amethystina L. 2496. 
— The closed part of the sheath not furrowed. Ovary 
glabr. Type of F. ovina ..... 6* 
6. Anthers 1mm long at most. Stems 8—12 cm, entirely 
smooth as also the soft filiform Is. Panicle short, racemose. 
Spikelets rather small, green, containing 2—3 fls. Lower 
glumella subulate-lanceolate. Awn half as long as the 
glumella.—High Alp. 7 . . . alpina Sut. 2497. 
— Anthers longer (l 1 2 —3 mm) . . ... 7 
7. Sheaths of the shoots closed to the top or at any rate 
to above the middle. Sheaths entirely smooth, as also 
the green, filiform Is. Panicle gen. in the form of a 
rather dense raceme. Spikelets variegated with violet. 
Awn often as long as the glumella. — Alp., especially on 
the southern chain. 7 . . Halleri All. 2498.*) 
— Sheaths only closed at the base (rarely in the lower 
third part), cleft throughout the remainder of their 
length . . . . . . . . . _ 8 
8. Ls cylindric, when dry convex at the sides, smooth or 
rather rough. Ring of the sclerenchyma closed.—a. ca- 
pillata Lam. Ls almost capillary; spikelets small, un¬ 
armed.— b. vulgaris Koch. The same characters but 
awns 1 , / 4 —V3 the length of the glumella.— c. duriuscula L. 
Stem stouter; spikelets larger; ls more thickened, 
green or rather glaucous, sometimes (v. curvula) curved 
or (v. crassifolia) thicker, rush-like. — d. glauca Lam. 
As the var. c., but ls and sheaths more or less prui- 
nose. With this form is connected as v. major: F. 
vaginata Gaud, not W. K. — Pasturages, hills . r rocks: 
d. less common. 5 . . . . ovina L, 2499. 
— Ls compressed laterally and, when dry, furrowed, gen. 
very rough. Ring of the sclerenchyma interrupted. — 
a. ti/pica. Ls capillary, pruinose; spikelets small (smaller 
than in F. glauca); lower glumella lanceo-late-subu- 
late.— b. sulcata Hack, (duriuscula Host, not L.). Ls 
slightly thicker, not pruinose; spikelets rather larger; 
glumellas broader.—Dry, sunny places; W.; b. Pont- 
resina in the Engadine. 5 valesiaca Schl. 2500. 
9(4). Shoots more or less prolonged in subterranean 
stolons. Ovary glabr. at the top. — a. genuina. PI. more 
or less creeping, forming a loose tuft; Is of the shoots 
*) F. rupicaprina Hack., differing in its ls only having 5 vascular 
bundles (instead of 7), its spikelets pruinose, and its awns shorter, on the 
cale Alps (Pilatus, Frohnalpstock).— F. dura Host, on the eastern frontiers 
near Bormio. 
