450 



herbario M« Valilii, C. fdipendiihe niihi multo propior est, 

 et natural! motlo has duas greges, C. atratne dico ct C 

 filipctidulic, conjungit. 



b. Spiva terniiuafis mnsvula, laterales fenrineaz v. timid 

 apive mascula, elongate, subsessiles v. infima (exvep- 

 tione) basilar i longcpedunculata , v. omncs pedun- 

 valuta erectai v. florentcs nut antes demum 

 erect (e. Virides ccntes v, nigricantes. 



26. C. ni grit ell a Drej. 

 Spica terminal*! mascula v. androgyna, femineis 2 

 densifloris approximatis pedunculatis arrcctis infuna bra- 

 ctca ibliacea auriculata fulta; perigyniis stipitatis enerviis 

 obsolete trigonis ovato-ellipticis squama ovata obtusiuscula 

 sublongioribus , rostro brevi truncato emarginato , stig- 

 matibus binis ternisve. 

 Gronland ! Vabl. 

 Rhizoma crassum subrepens culmos foliaque cae- 

 spitosim emittens. Culmus triqueter lateribus striatis mar- 

 ginibus, aut tota siia longitudine aut modo superne, scaber 

 immo scaberrimus, erectiusculus, foliis plerumque longior. 

 Folia angusta linearia plana margine scaberrima, inferio- 

 rem culmi partem trgentia; summum elongatum culmum 

 suba3quans, reliqua culmo multo breviora; vaginae mem- 

 branaceee. Sp i cae fern i n ece plerumque binae, rarius prope 

 masculam tertia brevi subrotunda auctae, inferior elongata, 

 superiores sensim breviores et relative crassiores; infima 

 pedunculata pedunculo scabriusculo , superiores brevius 

 pedunculatce v. sessiles. Bractea infima foliacea spicam 

 suam fere duplo supcrans, angusta linearis scabra, auri- 

 culis miuutis 2 decoloribus v. sphacelatis antice concrefis. 

 Bractea superior v. intermedia nicmbranacea amplectens 

 setacco tcrminata. Squamae masculac obovato-cuncatae 



