Cyperacese. Gramineae. 
399 
— Ls channelled, hardly broader than the stem, glabr. 
Bracts without or with short sheaths . . . 72 
81. Fr. without nerves, with a very short, indistinctly emar- 
ginate, beak. Type of C , gJauca .... 82 
— Fr. distinctly nerved, with a distinct, 2-fid beak 83 
82. Fein, spikelets cylindric, long-peduncled, drooping, more 
rarely short peduncled and erect. Stem gen. glabr. Ls 
glaucous.—Marshy places, road-sides; everywhere. 4 
glauca Murr. 2368. 
— Fem. spikelets clavate, thicker towards the top. Other¬ 
wise as in the last, but fr. longer. —Alp., rare or over¬ 
looked. 5, 6 . . . clavaeformis Hopp. 2369. 
83. Male spikelets yellowish, pale, cylindric, slender. Fr. 
convex on both sides, inflated; teeth of the beak 
elongated, much narrowed, diverging . . . 8£ 
— Male spikelets dark brown, thicker. Fr. compressed or 
conic-3-cornered; beak rather short, with triangular 
prominent teeth . . . . . . . - 83 
84. Stem with obtuse angles, entirely smooth (only rough 
in the inflorescence). Ls slightly glaucous, narrow (2—4 mm 
broad, rarely more). C. rostrata With.—Marshes, water¬ 
side ; distrib. 5 ampullacea Good. 2370. 
— Stem with acute angles, rough on the angles. Ls broad 
(6—8 >»m), grass-green.—As the last. 5 vesicaria L. 2371. 
85. Lower glumes of the male spikelets obtuse (rarely all 
acute). Stem 40—90 cm. C. Kochiana Dec. (Glumes of 
the fem. spikelets long-pointed). C. acutiformis Ehrh. 
—Ditches, water-side; distrib. 5 . paludosa Good. 2372. 
— Glumes all narrowed to a fine point. Stem 60—120 cm. 
Marshy meadows, water-side; not common (wanting in 
G. T. U. L.). 5 . . . . riparia Curt. 2373. 
OBS. Hybrids : C. brizoides-remotu (Ohmiilleriana O. F. Lang); C. mu~ 
ricata-remota (axillaris Good.). 
181. Gramineae. (Grasses.) 
610. Andropogon. Andropogon. Ill, 23. 
1. Spikes 5—10, fa sc i c 1 e d - d i gi ta te, hairy, rather long- 
awned — Stony places, hill-sides, distrib. 7 
Ischaemum L. 2374. 
611. Pollinia. Pollinia. Ill, 44. 
1. Spikelets in a panicle, 3 together at the tips of the 
branches, with a crown of reddish yellow hairs 
at the base. Andropogon Gryllus L.—Meadows and dry 
pasturages; transalpine Switz. W. V. 6 
Gryllus Sprgl. 2375. 
