262 MON(EC. TRIAND. 



Hab. Sandy sea-shores, frequent, where it is of the greatest service 



in binding the loose sands. Fl. June. If. . 

 Boots excessively long and creeping. Culms rough, 8 inches to I 



foot high. Splkelets ovate, collected into an interrupted spike. 



7. C. intermedia {soft Irown Carex), inferior and terminal 

 spikelets fertile, the intermediate ones sterile, fruit acutely mar- 

 gined, e Ims triangular. Light/, p. 546 {C. dist/cfia). E. B. 

 ^2042. 



Hab. Bogs and marshy grounds. Guillon Links and Forfar Loch, 

 Mr. Arnott. Braid and Pentland hills, and King's Park, Edinb., 

 Mr. Greville. Fl. June. 1/ . 



One to one foot and a half high. Bractea membranaceous, small. 



8. C. divisa {bracleated Marsh Corej:'i, spikelets sterile at their 

 extremity crowded into a somewhat ovate head the lower ones 

 simple or compound with a leafy erect bractea at their base, 

 fruit roundish ovate convex on one side slightly concave on the 

 other acutely angular cloven at the point. E. B. t. 109(). 



Hab. Marsh near Montrose and sea-coast of Angus-shire, chiefly in 

 marshy places, G. Don. Fl. May, June. 1/ . 



Culms about 1 foot high. Lower bractea long, leaf-like. 



i). C. muricata {muricaied Carex) ^ spikelets sterile at their ex- 

 tremities subcompounded collected into a rather long more or 

 less interrupted spike, fruit convexo plane ovato-acinninate 

 acutangular divergent rough at the margin upward. Lightf. 

 p. 548 (C. spkata). E. B, t. 1097. 



/3. spike elongated with distant spikelets. C. diviilsa, E. B. 

 t. 629. 



Hab. Marshes and .shady ])laces. /3. in similar situations. Rock be- 

 low Cathcart castle, Gla.sg., D. Don. Fl. June. 1/ . 



One foot to two feet high. Spikelets more or less crowded ; and this 

 is all the difference 1 can find between C. muricata and C. divulsa. 

 The acute \\'ahlenberg unites them Fruit pale coloured. Brac- 

 teas small, lanceolate, subsetaceous. 



10. C. vnlfjina {great Ca'ex), spikelets sterile at their extremi- 

 ties thrice compounded collected into a cylindrical crowded 

 spike, fruit ovate acuminated convexo-plane acutangular di- 

 vergent, stem very acutely triangular, leaves rather broad. 

 Lightf. p. 5 AT. 'E.B.t.'07. 



Hab. "VVet shady places by the sides of water. Fl. June. U. . 



Two feet or more high, stout. Bracteas small, setaceous. Spike 

 large, greenish. Fruit pale, rough at the margin of the length- 

 ened extremity, and bifid at the point. 



11. C. paniculata {rrreat pavic/ed Carex), spikelets sterile at 

 their extremity thrice compounded and collected into a pani- 

 cled spike, fruit broadly ovate acuminated gibbous on both 

 sides with a somewhat membranaceous margin towards the 

 extremity. E. B. t. 1064, 



