392 



836. CAREX. 



Glumes ovate, mthout mucro. Fr. elliptic. 

 Nut obovoid. Lower Bracts reaching to bar- 

 ren spike. Root tufted, or with short runners. 

 p. 6. IFet meadows and bogs. 



p. liostiana. Glumes and Ligules acute. 



113. hornschuchiana. Fertile Spikes 

 usually 3 ; lowest veiy distant. Glume ovate, 

 without mucro. Fr. elliptic. Nut ohovoid. 

 Lower Bracts short. Root tufted, or with short 

 runners, p. 5, 6. Wet meadows. 



114. binervis. Fertile Spikes oblong. 

 Fr. with the marginal ribs alone distinct, 

 roundish-eUiptic. Beak narrow, rough on edge. 

 Glumes mucronate, dark-j)ur])le. p. 6, 7- 

 HeatJis. 



115. leevigata. Barren Spikes sometimes 

 2. Fertile Spikes cylindrical, drooping. Glumes 

 acuminate. Fr. elUptico-lanceolate, about 7- 

 nerved, tapering into rough-edged beak. p. 6. 

 Moist shade. 



j8. Schraderi. Glumes awned. 



116. distans. Fertile Spikes oblong. 

 Glumes mucronate. Fr. eUiptic, 7-nerved on 

 back, duU. Beak short ; edge rough, p. 6. 

 Marshes. 



117. punctata. Fertile Spike cylindri- 

 cal, erect. Glumes ovate, awned. Fr. obo- 

 vate, with about 4 irregular nerves on back, 

 shining, dotted. Beak short, smooth, almost 

 membranous, p. 5, 6. Grassy hills, rare. 



** Fruit smooth, except on margin. Lower 

 Stalks more than half exsert. 



118. Miclielii. Fertile Spikes 1-3, re- 

 mote. Bracts about equalling spikes. Fr. 

 obovate, attenuate, ending rather abruptly in 

 a linear, rough-edged beak, hardly nerved. 

 p. 5. Woody hills, s. e. G. 



119. brevicollis. "Fertile Spikes 1-3, 

 6-10 flowered. Fr. obovate, hardly nerved, 

 with a very short, truncate, or bidentate beak, 

 hardly equalling oblong, acuminate glume." — 

 DuBY. p. Mont Parve near BeHey on the 

 Rhone. 



120. depauperata. Fertile Spilces 3, 4- 

 flowered, on exsert stallis from long sheaths. 

 Fr. elliptic, strongly striate, tapering into a 

 beak, which is membranous beyond the ends 

 of the ribs, unequally cloven, and rough on the 

 edge. p. 6. Sandy woods. Surrey, very 

 rare. Fr. It. 



121. sylvatica. Fertile Spikes about 4, 

 many -flowered, di-ooping, on long exsert stalks, 

 from long sheaths. Fniit elliptic, 3-edged, 



smooth without distinct nerves. Beak linear. 

 Culm smooth. L. broad, p. 5, 6. Damp 

 woods. 



*** Fruit downy on the back. 



122. hispidula. Fertile Spikes about 2, 

 oblongo-lanceolate ; lowest usually included in 

 leafy sheath. Fr. ovate, bordered, sen-ulato- 

 cUiate. L. reaching to middle of rough, 3- 

 edged culm. Root stoloniferous. p. 7, 8. 

 Very high rocks. Matterhorn. Rafel. 



iii. Fruit leaked, but the mouth small, mem- 

 branous, and uncertain in its form. 



[A division not very clearly marked, and to 

 which, perhaps, /n^2«/« anAfuliginosa should 

 be added.] 



123. tenuis. Fertile Spikes about 3, dis- 

 tant, all on exsert stalks. Fr. lanceolate. Beak 

 smooth. L. setaceous, p. 6, 7. Sto7iy hills, 

 occ. Alps. Mor. 



124. ferruginea {Mielichoferi of Schk. 

 and Kunth) . Fertile Spikes about 2, linear, 

 rather lax. All the Stalks exsert, slender. AU 

 Bracts sheathing. Fr. elliptic : upper part 

 and Beak rough. Root stoloniferous. p. 6, 7- 

 Boggy hills. Alps. 



)8. spadicea. Fr. ciUate ; upper part hairy. 



7- Scopolii. Fr. shorter and broader. 



125. seiupervirens {ferruginea, Schk. 

 and Ktmth). Fertile Spikes about 2, oblong, 

 somewhat lax. Lower Stalks exsert, erect, 

 sometimes refract; upper generally included. 

 AH Bracts sheathing and leafy. Fr. ovato- 

 lanceolate, acuminate, exceeding dark, polished, 

 mucronate glume. Beak rough on the edge 

 with subacute, scariose teeth, p. 6-8. Grassy. 

 Alps. Apenn. 



j8. erecta. Fr. rough on the surface. 



126. firnia. Fertile Spikes about 2, erect : 

 upper nearly sessile ; lower remote, on exsert 

 stalks. All Bracts sheathing. Fr. ovato-lan- 

 ceolate, smooth. Beak somewhat rough on 

 the edge, membranous, obliquely truncato- 

 emarginate. Segm. obtuse. L. rigid, spread- 

 ing, p. 6-8. Mor., Koch. Alps, Kunth. 

 Closely resembling sempervirens ; but the 

 beak is more membranous and less decidedly 

 bidentate, the fertile spikes have fewer flow- 

 ers, and the glumes are paler. 



H. Barren Spikes more than one. 

 i. Beak none, or very minute. 

 [It is difiicult to characterize this subdivision. 

 The number of barren Spikes is by no means 



