406 
Graminese. 
b. montana Host. Hairs longer; awn shorter.—Woods of 
the mount, and subalp., rarer than the last; T. V. B. 
O. Z. L. (wanting in the Jura). 7 arundinacea Roth. 2425. 
632. Gastridium. Nitgrass. Ill, 33. 
1. Spiciform panicle oblong-lanceolate, with a silken sheen. 
Spikelets with a long awn, more rarely (v. muticum) 
awnless.-—Fields, after hay; Geneva. 5 
lendigerum Gaud. 2426. 
633. Phragmites. Phragmites. Ill, 53. 
1. Stem up to 3 wi in height. Spikelets gen. brownish violet, 
rarely (v. flavescens) brownish yellow.—Swampy meadows, 
water-sides; everywhere. 8 . . communis L. 2427, 
634. Sesleria. Sesleria. Ill, 36. 
1. Lower glumella terminated by 2—4 setaceous teeth, and 
an awn springing from the midst of them. Ls flat.—Rocky 
wooded slopes; distrib. 3 . . coerulea Ard. 2428. 
— Lower glumella awnless or short-mucronate. Ls filiform. 
Oreochloa disticha Link.—Alp. (wanting in Y. B. 0.). 7 
disticha Pers. 2429. 
— Lower glumella indented at the tip, with a short awn 
or spine springing from the indentation. Ls obtuse, 
narrow-linear.—Alp., on granite; Tess.; rare. 7, 8 
sphaerocephala Ard, 2429.a 
635. Koeleria. Koeleria. Ill, 41. 
1. Lower glumella awned, the tip undiv. or shortly 2-fid. 
Stem tomentose above.—Alp.; G. T. W. U. 7 
hirsuta Gaud. 2430. 
— Lower glumella awnless, not or shortly mucronate 2 
2. The dried 1.-sheaths wearing finally into a thick net¬ 
work of fibres. Rad. ls rolled up, setaceous, glabr.— 
Hills; T. W.; Aigle, Neucliatel. 6 valesiaca Gaud. 2431. 
— The dried 1.-sheaths not forming a fibrous net-work. 
Ls flat, the lower ones, as well as the 1.-sheaths, hairy. 
— b. gracilis Pers. A narrow panicled form or species! 
Wall.—Pasturages, hills; distrib. 6 cristata Pers. 2432. 
636. Deschampsla. Deschampsia. Ill, 59. 
1. Awn distinctly jointed, sensibly longer than the glu¬ 
mella. Ls almost setaceous. Branches of the panicle 
3-forked, wavy. Spikelets shining, of a violet brown. 
—Varied with the panicle more contracted (v. montana 
L.).—Wood-sides, especially in the mount, and Alp.; 
distrib. 6 .... . flexuosa Trin. 2433. 
