426 98. HEAMINEJB. 



at the end behind. K B. 1004. — y. angustifoUa ; spikelets small, 

 1. slender long, lower 1. involute. — Common. P.VI.VII. E. S. I. 



12. P. compres'sa (L.) ; pan. erect or slightly unilateral spread- 

 ing when in flower otherwise close, spikelets ovate or oblong- 

 ovate of 5 — 7 blunt slightly webbed fl., lower pale 3-veined, veins 

 hairy, upper sheath about as long as its leaf, uppermost knot at 

 about the middle of the stem, ligide short truncate. — -B. B. 365. 

 P. 37 & 90. — St. decumbent at the base, then erect, very much 

 compressed, 1 — 15 ft. high. — Sometimes the fl. are free, pales 

 have 2 faint interm. veins, uppermost knot is higher, and the 

 ligule rather more prominent. It is then the P. pdynoda (Pam.) 

 P. 91— 93.— Dry situations. P. VII. E. S. I. 



36. Gltcb'eia R. Br. 



1. G. aquat'ica (Sm.) ; pan. erect much branched spread- 

 ing, branches rough, spikelets oblong of 5 — 10 fl., lower pale 

 blunt, 1. smooth vrith terete sheaths.—^. B. 1315. P. 44. G. 

 spectabilis Koch. — Creeping. St. 3 — 6 ft. high, smooth slightly 

 compressed. Sheaths very long. L. long, rough on the edges 

 and keel, never floating. Ligule short. Pan. large ; branches 

 angular, slender, branched. — ^Watery places. P. VII. E. S. I. 



2. G.JlAitans (R. Br.) ; pan, secund slightly branched very 

 long, branches nearly simple roughish, spikelets linear of 7 — 12 

 adpressed lanceolate-oblong acute fl., lower pale nearly thrice as 

 long as broad, sheaths compressed. — JE. B. S. 2975. P. 95.— 

 St. ascending, rooting below, or floating. Sheaths nearly 

 smooth, striate. L. pale green, acute, often floating. Ligule 

 long. Pan. very long, often nearly simple ; branches without 

 callosities, ascending, lowermost usually in pairs. Spikelets 

 adpressed. Lower pales rather the shorter, with a triangular 

 central point. Anthers about 5 times as long as broad, purple, 

 pale yellow when empty. — /3. G. pedicellata (Towns.) ; pan.- 

 branches simple roughish, spikelets of 9 — 13 blunt florets. L. 

 more acute. Lowermost pan.-branches about in threes. Anth. 

 about 4 times as long as broad, yellow when young. A. N. H. 

 ser. 2. V. 105. Curt. Fl. Lond. i. 18.— Watery places. P. VT. 

 —IX. Flote-grass. E. S. I. 



3. G. plicdta (Fries) ; pan. compound, branches compound 

 nearly smooth erect with flowers divaricate with fruit, spikelets 

 linear of 7 — 20 oval-oblong rather acute fl., loiver pale twice as 

 long as broad, sheaths compressed. — JR. vii. 79. G.Jiuitans Sm., 

 JE B. 1520. P. 45. — St. ascending, rooting below. Sheaths 

 rough, furrowed. L. glaucous, bluntish, plicate when young. 

 Ligule shorter. Pan. much branched ; branches with caUosi- 



