North American Cyjperacca.. 386 



Tribe VIL ELYNEiE. 



Flowers diclinous. Spikes c@mpound; scales distich- 

 ously or every way imbricated, each covering a single uni- 

 sexual or two diclinous florets. No proper Pekigynium^ 

 Nut commonly rostrate. Style 3-cleft- 



ELYNA, Schrader, 



Spike solitary, terminal- Scales two-flowered, androgy- 

 nous. Scales of the Florets {squamula) one to each ; the 

 lower or pistillate one next the scale of the spike, enclosing 

 the base of the narrow and oblique staminate squamula. — 

 Habit of Carex, Leaves radical, setaceous. 



Elyna, Schrader, jl. Germ. 1. p. 155 ; Lestib. ess. fara. 

 Cyp. p. 25, no. 10 ; N. ah EsetiL in Linnaa, 9. p. 304. 



Species of Kobresia, Willd., .Persoon,Schkuhr, &c. 



Elyna spicata, Schrader, I. c. 



Kobresia scirpina, Willd. sp. 4. p. 205 ; Schkuhr, car. 2. p. 1 ; Pers. 

 syn. 2. p. 534 ; IVahl. fi. Suec. 2. p. 583 ; Rich. app. Frankl. 

 journ. ed. 2. p. 34. 

 K. filiformis, Dewey ! in Sill. jour. 19, p. 253. 



Carex Bellardi, Sdikuhr, car. 1. p. 12. t. D. f. 16; Wahl, act. Holm. 

 (1803), p. 141. 



Cespitose. Stems 4 to 12 inches high, erect, smooth. Leaves mostly 

 radical, scarcely as long as the culm, setaceous. Spike from half ao 

 inch to an inch long, cylindrical, rather loosely flowered below. Scales 

 of the spike ovale, fuscous ; the lowest one usually produced into a short 

 cusp. Scale of the pistillate floret ovate-lanceolate, loosely enclosing the 

 nut and the base of the linear-lanceolate staminate scale. Stamens 3. 

 Style 3-cleft. Nut ovate-oblong, obscurely trigonous, somewhat flat- 

 tened on one sideand angular on the other, abruptly acuminated into th« 

 style- 



