CAiiKx. 369 



below, gl. shorten than the fruit.— B.B. 806. ScM.C. 14. H. a. 

 28. R. 214. — St. 6 — 12 in. high, triquetrous, nearly smooth. 

 Lowermost spikelet often with a short bract. Gl. ovate, mem- 

 branous, reddish with a green keel and white edges. Ripe fr. 

 greenish, stellate. — Boggy places. P. V. VI. 



21. C. elongata (L.) ; spihelets many oblong approximaff, 

 fr. patent oblong-acuminate plane-convex with many ribs on both 

 sides, beak almost entire with rough edges, nut linmr-oblong 

 tapering below beak very short style persistent, gl. shorter than 

 the fruit, bracts none or one very short. — E. B. 1920. Schk. E. 25. 

 H. a. 32. R. 218.— St. 1—2 feet high, triquetrous. Gl. ovate, 

 dark brown with a green keel and whitish edges, obtuse, some- 

 times apiculate. Upper spikelets crowded, lower lax but not 

 distant. — /3. C. Oebhardi (R.); smaller, spikelets short panicled. 

 — Marshes, rare. P. VI. E. I. 



22. C. curta (Good.) ; spikelets 4 — 6 eUiptical approximate, 

 fr. erect acute plane-convex faintly striate, beak short notched 

 not split rough at the edges, nut elliptical beak very short 

 style persistent, glumes ovate shorter than the fruit. — E. B. l.'iSfi. 

 Schk. C. 13. C. oanescens Linn.'? R. 206 — St. a foot high, 

 triquetrous, smootli except at the top. Lowermost spikelet 

 often with 3, setaceous bract. Glumes membranous, whitish with 

 a green keel, blunt, apiculate. Fr. whitish. — Bogs. P. VI. 



23. C. vitilis (Fr.) ; spikelets 4 — 8 ovate or oblong approxi- 

 mate,,/)-, erect ovate plane-convex faintly striate, beak short split 

 to its base externally rough at the edges, " nut elliptical," glumes 

 ovate shorter than the fruit. — C. curta (3. alpicola iVahl. C. 

 Persoonii Sieb., R. 206.— Creeping. St. 6 — 12 in. high, trique- 

 trous, smooth except at the top. Lowermost spikelet often with 

 a setaceous bract. Gl. membranous, brown with a white margin. 

 —Mountains. P. VII. VIII. E. S. 



4.4. Spikes fuscous. 



24. C. lagopina (Wahl.) ; spikelets 3 — 4 roundish-elliptical 

 contiguous terminal one longer, fr. erect elliptical acuminate 

 plane-convex narrowed below nearly entire at the point witli 

 smooth edges, nut elliptical tipped with the persistent style, gl. 

 ovate nearly as long as the fruit. — H. a. 24. R. 204. C. lepo- 

 rina lAnn. Fl. Lap. not Fl. Snec. E. B. S. 2815.— St. 4 — 8 in. 

 high, smooth, triangular. Glumes reddish with the edges paler. 

 Fr. yellow. — Loch na Gar, and Cairn Toul, Aberdeenshire. 

 P. VIII. S. 



25. C. ovalis (Good.) ; spikelets about 6 oval contiguous, fr. 

 erect ovate-attenuate plane-convex narrowed below bifid at the 



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