CYPEIIACEAE (SEDGE FAMILY) 



243 



4S7. C. lax., 

 V. blanda. 



4SS. C. lax., 

 V. latifolia. 



and aggregated about the inconspicuous staminate 

 spike, the lowest usually long-exserted. (Var. stri- 

 atula Carev.) — Vt. and e, Mass. to Ont., and southw. 

 Fig. 487. 



Var. latifolia Boott. Rather low, 2-6 dm. high ; 

 culms icinged ; leaves 1.5-4 cm. broad; staminate 

 spike sessile or very nearly so, hidden by the pistil- 

 late; pistillate spikes cylindric and loose, 1.5-8 cm. 

 long, the upper one or two contiguous ; bracts very 

 broad. (C alhursina Sheldon.) — Deep rich ^Yoods, 

 w. Que. and Vc. to Ont., and southw. Fig. 488. 



Var. leptonervia Fer- 

 nald. Slender, 1.5-7 dm. 

 high; leaves 0.5-1 cm. 

 broad ; pistillate spikes 

 linear-cylindric, loosely 

 flow^ered, 1-2.5 cm. long, 

 the 2 or 3 upper crowded 

 at the base of the staminate, the lower 

 remote ; perigynia oblong-fusiform, 

 faintly nerved or nerveless. — Nfd. to 

 Ont., s. to n. K. E., N. Y., and Mich. ; 

 and in the mts. to N. C. Fig. 489. 



128. C. Hitchcockiana Dewey. 

 Erect, 3-7 dm. high; leaves 3-7 mm. broad; spikes 

 2-4, all more or less peduncled, vei-y loosely fevj- 

 Jlou-ered, erect, 1-2.5 cm. long, the bracts elongate 

 and leafy ; perigynia triangular-ovoid, many-striate. 

 4-5 mm. long, the strong beak prominently oblique, 

 shorter than the scales. — Rich woods, Vt. to Ont., 

 s. to Ky. and Mo. May-July. Fig. 490. 

 129. C. oligocarpa Schkuhr. Diffuse, 1-5 dm. high ; leaves 

 2-4.5 mm. wide ; bracts elongate, spreading ; staminate spike sessile or stalked ; 

 pistillate spikes 2—4, scattered, stalked or the uppermost sessile, loosely 2-8- 

 Jloii-ered, erect, 0.5-1.5 cm. long; perigynia 3.5-4 myn. long, 

 hard, finely impressed-nerved, abruptly contracted into a con- 

 spicuous mostly oblique beak, the orifice entire ; scales very 

 loosely spreading, longer than the perigynia. — Dry wcods and 

 copses, Vt. to Ont.. la., and southw. ^lay-July. Fig. J9I. 



130. C. katahdinensis Fernald. Densely 

 caespitose ; leaves 1-2.5 dm. long, 3-4 mm. 

 broad, with the similar bracts much (2-6 

 times) overtopping the lovj (1-6 cm. high) 

 rough-angled culms; pistillate spikes Z oy \, 

 approy:imate, or the lowest remote, short- 

 pediceled, 8-14 mm. long, b-IO-Jloiceird ; 

 staminate spike 5-8 mm. long, generally 

 hidden among the pistillate ; perigynia ellip- 

 soid, 3-4 mm. long, many-nerved, beakless, 

 mostly exceeding the whitish green-awned 

 scales. — Gravelly shore of a pond, Mt. 

 Katahdin, Me. ; rocky bank, Lake St. John, 



4:)i. c. oligocarpa. Que. {Brainercl). July, Aug. Fig. 492. 



131. C. conoldea Schkulir. Slender but 

 strict. 1.5-7 dm. high; staminate spike long-peduncled or rarely nearly sessile ; 

 pistillate spikes 2-3, scattered, short-stalked or the upper one sessile (the 

 lowest frequently very long-stalked), narrowly ellipsoid, 0.7-2.5 cm. long, rather 

 closeUj jloicered, erect; perigynia oblong-conical. 3-4 mm. long, impressed- 

 nerved, gradually narrowed to a point, the orifice entire ; scales loosely spread- 

 ing and rough-awned, equaling or exceeding the perigynia. —Moist grassy 



489. C. lax. 

 V. lept. 



490. C. Hitch- 

 cockiana. 



492. C. katahdinensis. 



