MB. C. B. CLABKE ON INDIAN SPECIES OF CYPEETT8. 65 



fusco-castaneis ; nuce obovoidea, compressa, cellulis extimis 

 quadratis. 



C. melanostachyus, Palmer in h. Parry n. 904, non H. B. K. 



Stamina 2. Nux | parte glnmae brevior (non rugulosa), nigra 

 cellulis extimis albidis, seepe porosis. — Differt a C. Olfersiano 

 glumis (castaneis nee luteis) nuce magis obovoidea. 



26. C. diandeus (Torrey in Ann. Lyceum New York, iii. p. 251, 

 var. (i excl.) ; umbella contracta ; spiculis lineari-oblongis, fusco- 

 brunneis ; glumis laxiuscule imbricatis ; stylo brevi, ramis lon- 

 gissiine exsertis ; nuce ellipsoidea, compressa. — Kunth, Enum. ii. 

 p. 6 ; BoecJc. in Linncea, xxxv. p. 447. 



Species a pluribus auctoribus cum G. rivulari conjuncta ; a quo 

 differt nonnisi " spicis comosis," i. e. stylorum ramis e glumalon- 

 gissime exsertis. 



America borealis, in oris occidentalibus : Canada (Macoun, h. 

 Kew) ; New Jersey (Asa Gray, h. Carey in h. Kew) ; Phila- 

 delphia (Torrey, h. Kew); Louisiana (Torrey, h. Mus. Brit.). 



27. C. BiTULABis (Kunth, Enum. ii. p. 6); umbella simplice ; 

 spiculis lineari-oblongis, obtusiusculis, brunneis aut subcastaneis ; 

 glumis subrigide chartaceis, ovatis, obtusis ; stylo brevi, ramis e 

 gluma breviter exsertis. — Boeck. in Linncea, xxxv. p. 452. 



C. diandrus, (3. castaneus, Torrey in Ann. Lyceum New York, iii. p. 252 ; 



Ser. Watson, Bot. California, ii. p. 214. 

 C. flavescens, |3, castaneus, Pursh. Fl. Am. Sept. i. p. 52. 

 C. Bigelovii, Steud. Cyp. p. 5. 



C. flavescens, Linn. ! in h. propr. ; Boott ! MS. in h. Mus. Brit. 

 C. tenellus, Presl, Rel. Haenk. i. p. 176. 



Species cum G.flavescente maxime confusa, ab hac ope cellularum 



extimarum nucis quadratarum seriter internota ; a C. Olfersiano 



quoad colorem diversa ; hac autem nota in varietatibus elabitur. 



America borealis temperata ; sat vulgaris : Canada (Macoun, 



h. Kew; Goldie, h. Calcutta); Tennessee (Bugel, h. Mus. 



Brit.); S. Louis (Drummond, h. Kew); Washington (Cooky 



n. 81, h. Carey in h. Kew); California (fide Sereno Watson). 

 Var. /3. eluta ; spiculis majoribus, colore plus minus eluto, inter- 

 dum fere stramineis. 

 Pennsylvania (Moser, h. Kew ; Walton, h. Calcutta, Sfc). 

 Var. y. depauperata ; culmo 3-1 spiculas proferente. 

 C. diandrus, var., Carey, MS. in h. propr. 

 Michigan : prope S. Josephi (h. Carey in h. Kew). 



LINN. JOUBN. — BOTANY, YOL. XXI. S 



