276 MONOECIA TRIANDRIA. Carex. 



Per. June. 



Root creeping. Stem upright, two feet. Ls. erect, bright green, 

 longer than the straw-stalk, at the time of flowering. Spikes 

 about three stamen -bearing, and three pistil-bearing, iheforvier 

 slender, acute, with linear, spear-shaped scales. The latter 

 thick, and short, with sharp scales ; lower-ones stalked, longer. 

 Stifj. three. Fruit thickly ranged, spreading, longer than the 

 scales, egg-shaped, pointed, yellowish, shining, when ripe. 

 Bract, leafy, stalkless, each pistil-bearing spike longer than the 

 extending under straw-stem. Shorter bract, often extending 

 under the stamen-bearing spikes. 



Discrim. Its yellow hue, narrow, short scales, and gi'een, inflated, 

 smooth, conic, bladder-like capsules. 



C. ampuUdcea. Slender-beaked Bottle G. Pistil-bear- 

 ing spikes cylindrical, lengthened out, with short foot- 

 stalks. Scales all spear-shaped, acute. Sheaths none. 

 Fruit inflated, globose, with a linear, cloven beak. E. 



B. 780. Schk. Car. 125. T, t. IO7. Host, 1. 1. 99. 



C. rostrata. Sb. 32. 



Pools, marshes, margins of rivers. Peat bogs on BuUingdon Green. 

 Under Headington Wick Copse. Beyond Iffiey, on the banks 

 of the Isis. Sh. 



Per. June. 



Root creeping. Ls. narrow, longer than the straw-stalk. Straw- 

 stalk one to two feet. Spikes two or three stamen-bearing ; 

 about the same number of pistil-bearing; topmost stamen-bear- 

 ing spike often slightly curved, very slender. Bract, one 

 accompanying every spike, upper ones shorter than the straw- 

 stem, one or two of the lower ones much longer, all stalkless. 



Discrim. Pistil-bearing spikes longer, and more slender than those 

 of Car. vesicaria, consisting of numerous, spreading, yellowish, 

 inflated, roundish capsules, each terminating in a linear beak, 

 nearly the length of the caps, and cloven at the point, resem- 

 bling a long necked bottle with a cloven beak. 



C. hirta. Hairy G. Plant hairy. Pistil-bearing spikes 

 egg-shaped-cylindrical, remote. Scales awned. Sheaths 

 nearly as long as the flower-stalks. Fruit hairy, 

 swollen, with a deep-cloven beak. Stem rough-edgedo 

 E. B. 685. Schk. Car. I27. U, u. 108. 



PVet meadoivs, woods, watery places. 



Per. June. 



Root creeping, dovv-ny. Straw-st&m erect, about two feet. Ls. 

 scarcely so tall as the stem, most hairy beneath ; sheath gene- 

 rally woolly. Bract, a leafy one to every pistil-bearing sj)ike, 

 one or two lower ones often higher than the culm (sti-aw-stem.) 

 Sj)ikes pistil-bearing ones, two or three : stamen-bearing, spear- 



