301 
utrieuli vix dimidium gequante late obovata v. ovali stipi- 
tata acutafo-mucronata obtusangula lateribus concavins- 
eulis, dense punetulata fuscescenti-straminea. 
©. riparia Curt. — Schk. Qq. no. 105. — Hoppe et 
Sturm, B. 66. — Rehb. ie, 647. — Boott, 112. t. 335. — 
C, laeustris Willd. Spee. 4. 306. — Schk. Ooo. f. 152, — 
Forma spieulis foemineis abbreviatis crassis: C. inerassata 
Sehltd. Linn. 10. 119. — C. Georgiana Dew. (non vidi). 
— Forma tenuis spiculis tenuioribus interdum elongatis: 
©. hyalinolepis Steud. 235 (v. s.) 
Sueeia. Germania. Helvetia. America septentr., meri- 
dion. et austral, 
** Ttrieuli hirti v. setulosi. 
(Utrie. in C. Halseyana punetato-seabriusculi ore 
edentuli). 
417. ©. hebecarpa CO, A. Meyer. 
Planta graeilis glaucescens pluri — v. pauciculmis; 
rhizom. brevissimo, fibrillis tenuibus; culmis tenuibus 1— 
2'/, ped. alt. foliisqgue firmis, triangulis apicem versus ad 
angulos scabris, inferne lutescentibus ibique vaginis remotis 
longiusculis efoliatis purpurascentibus infegris vestitis, superne 
foliatis; foliis remotis longe angustato-acuminatis planis 
Ya — 11/, lin. lat. margine supraque ad nervos perscabris 
superioribus gradatim accrescenhbus bracteisgue rulmum longe 
superantibus ; ligula elongata adnata oblonga pallida ferru- 
gineo-punctulata; spieulis 5, raro 7, gracilibus, inferiori- 
bus distantibus v. omnibus eontiguis breviter peduneulatis: 
mascula cum foeminea summa inserta Zenerrima pallida 
tereti_filiformi 6 — 12 lin. longa, foemineis anguste lineari- 
bus laxifloris fuscescentibus 6 — 15 Hin. long.; braeteis 
