160 



NEW YORK STATE MUSEUM 



radical one, short oblong or cylindrical, i'-f' long, 15-20 loosely 

 flowered, sessile ; bracts small, leafy or setaceous, scarcely equal- 

 ing the culm; perigynia ovoid-oblong, lightly nerved, pale green, 

 tapering to a small, straight, entire point, a little exceeding the 

 ovate, light brown scale. 



Cold swamps. Yery rare. June, July. Oneida and Herkimer 

 counties. 



61. Carex vaginata Tausch. 



Stoloniferous ; stems 10-24' high, mostly weak and diffuse, 

 smooth ; leaves subradical, half the length of the culm, l-J"-2" wide, 

 smooth, slightly rough on the margin, radical leaves tufted, nearly 

 as long as the culm, 2"-3 // wide ; staminate spike clavate, or ovoid- 

 oblong and acute, erect or oblique, l° n g> its stalk i'-li' in 

 length, or more ; pistillate spikes 2 or 3, remote, 4-10 loosely or 

 12-15 compactly flowered, J'-J-' or more long, on exserted, filiform 

 erect or drooping peduncles i'-li' in length, the latter partly 

 included in the conspicuously dilated sheaths of the short leafy 

 bracts ; perigynia oblong-ovate, nerved, tapering to a short round 

 oblique-notched beak, longer than the ovate acute or obtusish 

 thin brown scale. 



Swampy places. Very rare or local. June. Genesee county. 



This rare species is conspicuously marked by its dilated sheaths 

 and round beaked perigynia. It stands under the name 

 C. Saltuensis Bailey in the sixth edition of the Manual. 



62. Carex tetanica Schk. 

 Stoloniferous ; stems l°-2° high, slender, erect, rough at the 

 summit ; leaves mostly shorter than the culm ; i"-l" wide, stiff, 

 flat or involute above, roughish on the margins, bright green or 

 glaucous; staminate spike clavate or cylindrical J'-l' in length, 

 on a slender, mostly erect peduncle 2-4' long, light brown ; pis- 

 tillate spikes 1-3, remote, loosely flowered, cylindrical, usually 

 with a tapering base, y~l' in length ; the uppermost short- 

 stalked or nearly sessile, the lower on slender, erect or spread- 

 ing peduncles J long ; bracts foliaceous, much shorter than 

 the culm ; perigynia triangular-obovoid, prominently nerved, 

 abruptly contracted into a short curved entire point, longer 

 than the ovate obtuse, sometimes mucronate or cuspidate thin 

 white and brown scale ; achenium short-obovate, tricostate, with 

 a short, bent style. 



