376 96. CYPERACE^. 



4.-I. Barren spikes usually more than 1. 



51. C. glaiica (Soop.) ; fertile spikes 2 or 3 erect or drooping 

 cylinflrical densely flowered long-stalked, bracts leaflike scarcely 

 siieathing, gl. ovate acute, fr. obtuse elliptical veinless slightly 

 scabrous entire at the small )ioint, nut roundish-ovate trian- 

 frular.— fi. b. (i/. Schk. 0. P. 57. R- 2(19. C. reeurva Huds., 

 £. B. 150(i.— Stoloniferous. St. a foot or more in height. Barren 

 spikes variable in number. Fertile spikes often with a barren fl. 

 at the summit. — fi. C. Micheiiuna (Sm.) ; gl. blunt, fr. smaller. 

 E. B. 22.3(j. — y. C. stictocarpa (Sm.); fertile spikes ovate, fr. 

 obovate dotted. E. B. S. 2772.— Damp places. P. VI. 



** Beak offr. long, 2-toothed or bifid. Nut with 3 angles. 

 Stigmas 3, rarely 2. 



t Beak of fruit terete. Terminal spike barren. 



52. C. ustulata (Wahl.) ; fertile spikes 2 nr ^ upon short stalks 

 ovate densely flowered, bracts scarcely leoflike or sheathing, gl. 

 ovate acute, /r. elhptical compressed rough-edged with a cloven 

 beak, nut elhptical triangular on a long stalk, root fibrous. — E. B. 

 2404. Schk. Y. 82. H. b. 47.— St. 3—10 in. high. L. very 

 short, broad. Gl. dark pur])le with a slender pale midrib. Fr. 

 dark purple, paler below. Nut fuscous. I have seen no speci- 

 mens. — Ben Lavvers. Mr. G. Don. P. VII. S. 



[tt Beak of fruit plane-convex. Barren spike 1, or rarely 2. 

 Fruit glabrous. Bracts sheathing, leaflike. 



53. C.Jlava (L.); fertile spikes roundish-oval subsessile, low- 

 est spilvH with a nearly included stalk, bracts leaflike with short 

 sheaths, gl. obtuse, fr. ovate inflated ribbed smooth narrowed 

 into a d ji'^xed rough-edged bifid beak, nut obovate trigonous 

 punctate-scabrous, st. trigonous smooth. — E. B. 12;)4. Schk. 

 H. 36. H.h.2-2. fl. 2/3. — St. 6— 12 in. high. L. broad. 

 Barren spike cijlindrical, obtuse ; gl. obtuse. Fertile spikes 

 usually near together and near the barren spike, sometimes di- 

 stant; gl. with a green micirib slightly rough and often excur- 

 rent at the eud. Beak of tlie IV. curved downwards. Lowest 

 fr. declining. — /3. C lepidocurpa (Tausch !) ; barren spikes 

 usually long-btalked, be;di of i'r. often nearly straight. Kmize 

 Riedgr. 13. R. 272.— Wet places. P. V. Vl. 



[C. Mairii (C. and G. !), point of gl. scabrous, fr. ohsoletely 

 veined narrowed into a setose- ciliated beak, may occur.] 



54. C. QSrferi (Ehrh.) ;/(?rfi/e 5/iiies roundish-ovate subsessile 

 near together, lowest spike with an included stalk, bracts kaflike 

 with short sheaths, gl. obtuse {'^),fr. subglobose inflated ribbed 



