



SEDGE FAMILY. 

 52. Carex aquatilis Wahl. Water Sedge. (Fig. 722.) 



Care. \ at/iia/i/is Wahl. Kongl. Vet. Acad. Handl. (II i 24 



165. 1803. 



Glabrous, glaucous and pale green, culms rather 

 stout, erect, sharp-angled above, smooth or nearly so, 

 2-4 tall. Leaves elongated, sometimes equalling 

 the culm, 2 // -3> // wide, their sheaths nodulose; bracts 

 similar to the leaves, the lower much overtopping the 

 culm; staminate spikes 1-3, stalked; pistillate spikes 

 narrowly linear-cylindric, often staminate at the sum- 

 mit, erect or slightly spreading, i / -2^ / long, 2"-3"in 

 diameter, sessile and dense, or the lower narrowed 

 and loosely flowered at the base and short-stalked; 

 perigynia elliptic, green, nerveless, minutely beaked, 

 the orifice entire; scales oblong, shorter than or equal- 

 ling the perigynia and much narrower; stigmas 2. 



In swamps and along stream*, Newfoundland to Alaska. 

 south to Massachusetts, Pennsylvania, Ohio. Minn 

 and British Columbia. Also in Europe. June-Atin. 



A hybrid between this species and C. slri, la is ili-scriU-d \>\ 1'mf. -.,,r I. II Kailey 



53. Carex lenticularis Michx. Lenticular.- v) 



Cart.i Icntictt! , Am i tjt. 



Glabrous, pale green, culm* very lender, erect. 

 sharp-angled, slightly rough above. l-a tall. 

 Leaves elongated, rarely o%-er i" wide, shorter 

 than or rarely overtopping the culm, slightly 

 rough-margined, their sheaths not fibrilloae; lower 

 bracts similar to the leaves, usually much overtop- 

 ping the spikes; staminate spikes solitary or rarely 

 2, sessile or short -stalked, often pistillate above; 

 pistillate spikes 2-5, clustered at the summit or 

 the lower distant, sessile or the lower short-stalked. 

 erect, linear-cyliixlri. . :ti di- 



ameter; perigynia ovate or elliptic, acute, minutely 

 granulate, faintly few-nerved, apprtssed. tipped 

 with a minute entire beak; scale* green, appresscd. 

 shorter than the perigynia; stigmas 3. 



On shores, I.ahr.i.'. ct Territory. 



south to Maine, Vermont. < 

 cends to 4500 ft. in the Whil ma. Joae-Ao* 



54- Carex Goodenovii J. Gay. Goodenough's Sedge. 



Carex caespitosa Gooden. Trans. Linn. Soc. 2: 195. pi. 



21. 1794. Not L. 1753- 



( . Goodenovii]. Gay, Ann.Sci. Nat. ( II. ) n: 191. 1839. 

 Carex vulgaris E. Fries, Mant. 3: 153. 1842. 

 Carex riffida var. slrictiformis Bailey, Britten's 



Journ. Bot. 28: 172. 1890. 



Glabrous, culms stiff, erect, sharp-angled, smooth 

 or sometimes rough above, i-2 tall. Leaves 

 elongated, smooth or nearly so, glaucous, \"-l" 

 wide, not exceeding the culm, their sheaths not 

 fibrillose; lower bracts usually foliaceous, some- 

 times equalling the culm; staminate spike sessile 

 or stalked; pistillate spikes 2-4, all sessile or nearly 

 so, erect, densely many-flowered, narrowly cylin- 

 dric, 2 // -2> / ' in diameter, $"-12" long; perigynia 

 flattened, broadly oval or ovate, faintly few-nerved, 

 green, appressed, less than \" long, minutely 

 beaked, the orifice nearly entire; scales purple- 

 brown to black with a green midvcin, very obtuse, 

 shorter than the perigynia; stigmas 2. 



In wet grounds, Newfoundland to Massachusetts and Pennsylvanu 



i^ 



