417 



C. vulgaris Fries Summa, 250. — Rclib., f. 579, 580. 



— Boott, 160. .t. 557—567. — C. nigra vcrna vulgaris 

 L. Fl. Lappon. 257. — - C. acuta <*. nigra L, Spec. — 

 0. caespitosa auct., non L. — Hoppe et Sturm, A. f. 42. 



— Formae graciles strictae: C* clilorocarpa Wiram. (v. s.) 



— C. vulgaris v. juncella Fries (v. s.) — Forma spiculis 

 foemineis remotloribus patentibus pedunculatis longioribus 

 ac laxioribus: C. bymenolepis Drej in sehed. C. Bigelovii 

 Torr. — C. Wasbintoniana Dew. — C. rigida v. Bige- 

 lovii Sartvyell, no. 50. ~ C. hypexborea Drej. C. vulgaris 

 /?. byperborea Boott. 111. 167. 



Helvetia. Germania. Suecia. G-rocnlandia. Tasmania. 



229. C. decidua Boott. 



Lutescenti-viridula: stolonifera; culmo 1 — U/i-pedali 

 triangularis laevi basi foliato; foliis culmo hnyioribus line- 

 aribus acuminata 1—3 lin. lat. carinatis planis v. eompli- 

 catis apiee triquctris, striatis culmoque (sub vitro) densiss. 

 punctulatis, marginibus serratis; vaginis subomnibus lami- 

 niferis integris; spiculis atropurpureis approximatis cylin- 

 draceis oblongisque, terminalibus 1—2 v. totis v. basi 

 aut apice basique masculis, reliquis 2 — 6 foemineis, basi 

 non raro compositis , ereetis densifloris 2 — 1 poll. long. 

 2Vi — I 1 /* Hn. crassis, infimis pedunculatis; bracteis folia- 

 eeis basi auriculatis, inferioribus sjncula masctcla multo 

 longioribus > squamis atropurpureis subconformibus oblongo- 

 ovatis obtusis medio ferrugineis; utriculis max decide at ibus 

 xquamas suhaequantibus ferrugineis stipitatis ovalibus com- 



pressis evidenter rostellatis, ore integro, valide nervosis 

 punctulatis superne non raro margine parce^enfatis. 



C. decidua Boott, 111. 63. t. 170. — C. Anderson! 

 Ejd, in Hook. Fl. Antarct. 



Insula Falkland (J. D. Hooker), Magellanes (Philippi). 



*>♦ fid. « Haft. 21 



