SEDGE FAMILY. 



40. Carex Houghtdnii Torr. 



Care.tr Houghionii Torr. Ann. Lye. N. Y. 3: 413. 



Culms rather stout, rough above, erect, i -2% 

 tall, exceeding the leaves. Leaves and lowest 

 bract 2"-$%" wide, rough, their margins more or 

 less revolute; upper bracts much shorter; stami- 

 nate spikes 1-3, stalked, sometimes pistillate at the 

 base; pistillate spikes 2 or 3, oblong-cylindric, #'- 

 \y*' loug, 3"-4" in diameter, erect, rather loosely 

 several-many-flowered, the upper sessile, the lower 

 stalked; perigynia broadly ovoid, 1%" in diam- 

 eter, light green, ascending, densely pubescent, 

 prominently many-ribbed, narrowed into a short 

 conspicuously 2-toothed beak; scales lanceolate, 

 short-awned, hyaline-margined, strongly i-nerved, 

 somewhat shorter than the perigyuia; stigmas 3. 



In sandy or rocky soil, Nova Scotia to the Xortliu t -t 

 Territory, south to Maine, Ontario, Michigan and Min 

 nesota. June-Sept. 



Houghton's Sedge 





710.) 



4i. Carex lanuginosa Michx. Woolly Sedge. (Fig. 711. 



Plant pale; leaves %" 

 Missouri and Kansas. 



Carex lantiginnsa Mii-hx . Fl IW Am 3 i- , ifc>, 

 Carex filiformis var. lati/t>lia \\, -., 41: jo^ 



lOjO. 



Carex filiformis var. lanuginos.i 



63. l888. 



Culm slender, but usually rather toater than that 

 of C. filiformis, sharp-angled and rough above. 

 Leaves and lower bracts elongated, flat, not involute. 

 i "-2" wide, more or less nodulose, sometime* over* 

 topping the culm; staminate spikes \-\, long stalked. 

 sometimes pistillate at the base; pistillate spik- 

 usually distant, sessile or the lower slender-stalked. 

 cylindric, </ ng, a#"-3" in diameter, peri- 



gynia like those of C. filiformis; but rather broader; 

 scales acuminate or aristate. 



In swamps and \vt-t meadows, Nova Scotia to Bn(ih 

 Columbia, south to New Jersey, l'rniiylv.imj. 

 New Mexico and California. June Aug. 



Carex lanuginosa Kansin,- i:rittoa. 

 wide, very rough; perig>-nia ' " in di.inieti r. (he ribs co 



42. Carex filiformis 



Carex filiformis L. Sp. PI. 976. 175.3. 



Culms very slender, erect or reclining, rather 

 stiff, smooth, obtusely angled, 2-3 long. Leaves 

 very narrow, involute, about \" wide, rough on the 

 inrolled margins, not overtopping the culm; lower 

 bract similar, often equalling the culm; upper bracts 

 filiform; staminate spikes 1-3, commonly 2, stalked; 

 pistillate spikes 1-3, cylindric, 9 // -i5 // long, about 

 3" in diameter, erect, sessile or the lower distant 

 and short- peduncled; perigynia green, ascending, 

 oval, densely pubescent, faintly nerved, about i" 

 in diameter, tapering into a short 2-toothed beak ; 

 scales ovate, membranous, sometimes purplish, 

 acute or short-awned, shorter than or equalling 

 the perigynia; stigmas 3. 



In wet meadows and swamps, Newfoundland to 

 British Columbia, south to New Jersey, Pennsylvania. 

 Michigan and Minnesota. Ascends to 2000 ft. in the 

 Adirondacks. Also in Europe. June-Aug. 



Slender Sedge. 



. 



