406 CYPERACEAE juss. (Carex.) 



voso, plano-convexo, glabro, margine sca])ro, ore intogro, glu- 

 nia ovata obtusa submucronata duplo longiore. Beck. 



8) tetrasperma; spicis fertilibus 3-4-floris. Beck. l. c. 



Amcrica borealis, locis montosis, sylvaticis. — Spicae om- 



nes androgynae, apice staminiferae. Stigmata 2. (Beck.) Af- 

 finis C. gracili Schk. (Dewey.) 



96. C. TRISPERMA Dewey hi Silliman's Americ. Jbttrra. 9. 63. 

 tab. C. yig. 12. Torrey in Scfnveitiilz. Monogr. of Carex in An- 

 nals of Ihe Lyceum of N. Tork 1. 311. Beck. Flor. 434. Spi- 

 culis ternis, remotis, alternis, sossilibus, ovatis, apice femineis ; 

 suprema ebracteala; fructibus oblongis, acutis vel breve rostra- 

 tis, plano-convexis, ore intcgerrimis, multinervosis, apice subsca- 

 bris, subdivergentibus, squama oblonga acuta byalina longiori- 

 bus. Dewey. C. quaternaria Spreng. Sysi. 3. 809. {Jide Dewey.^ 

 — Amorica borealis. — Culmi prostrati. Stigmata 2. Affinis 

 C. loliaceae, sed diversa ghimis et fructibus. (Beck.) 



97. C. SIBIRICA mild. heib. n. 17262. Spreug. SysL »3. 809. 

 Ledeb. Flor. 4. 212. *) Spica androgyna, composita; spiculis 

 subquaternis, subapproximatis, inforne masculis; stigmatibus bi- 

 nis; fructibus ellipticis, compressis, obtusissimis. IVilld. — Si- 

 biria, ad fluvium Ob. 2\, — Culmi subpedales, graciles, trian- 

 gulares?, glabri, basi foliati. Folia culmo duplo triplove bre- 

 viora, anguste graminea, plana, margine scabriuscula. Spicae 

 3 vel 4, sessiles^ abbreviatae, pauciflorae, remotiusculae, andro- 

 gynae, infei-ne **) masculac (auctorifate Willd.). Squamae femi- 

 iieae subrotundo-ovatae, obtusae, uninerviae, hyaKno-albidae, 

 glabrae, utriculo fere dimidio breviores. Utriculi elliptici, com- 

 pressi, subcoriacei, striato-multinervii, fuscescentes, glabri, ore 

 bidenticulati. Achenium ellipticum, compressum, laeviusculum, 

 fuscescens, nitidulum, styli basi terminatum. Spccimina duo 

 suppetentia fructifera, C. loliaceae simillima. 



12) Spica terminalis androgyna, inferne mascuia ; reliquae femineae. 



98. C. BICOLOR All. Ped. n. 2311. Schkuhr. Car. 2. 16. 

 t. Aaaa. f. 181. Willd. Spec. 4. 222 et hcrb. n. 17131. Hoppe, 

 Caricol. 35. Gaud. Agrost, 2. 97. Dewey in Sillimati^s Americ. 

 Journ. 11. 306. Torrey in SchweinHz. Monogr. of Carex in An~ 

 nals of Ihe Lyceum of N. York 1. 310. Spica terminali andro- 

 gyna, inferne mascula; fomineis 2, subsessilibus, approximatis; 

 iiifima longissimc podunculata; fructibus obovatis, gluma ovata 

 majoribus. Hoppe, C. androgyna Balbis. Elench. Flor. Taur. 97. 

 Ejusd. 3Iisc. 42. C. cenisia Balbis. Vignea bicolor Beichenb. 

 f!erm. 60. — Mons Cenisii, llelvefia, Carintbia, Tyrolis, Salis- 

 burgia, Lapponia, Labrador. 2|. — Spicae tres ; tcrminalis andru- 



*) Nobis non obvia fuit. (Ledeb.) 

 **) Fotius aj)ice niaaculael 



