T. Holm — SUidies in the Cyperacem. 39 



Table (continued). 





North America, 





Europe. 



Asia. 



Species of Carex in Colorado. 



o 



< 



C 

 C 



! 



o 

 o 



i 



o 



s 



< 



I 



i 



o 

 u 



s: 

 o 



Is 





3 

 ss 



3 



03 



1 

 o 



< 





& 



1 



c 



Id 

 11 

































Penn sylvanica 



+ 

 + 

 + 

 + 

 + 

 + 

 + 

 + 

 + 

 + 



+ 

 + 



-- 



+ 



+ 



+ 

 + 



+ 

 + 



+ 



+ 



+ 

 + 



+ 

 + 

 + 



+ 

 + 



+ 



+ 



+ 



+ 

 + 



+ 

 + 





4- 

 + 



+ 



+ 



+ 



+ 

 + 



+ 

 + 





Rossii 



umbellata var. brevirostris 

 viridula 



-- 



lanuginosa 





aristata _ 



Backii 



-- 



capillaris 



+ 



longirostris _. 





microglochin 



*Engelm annii 



utriculata _. 



*pulla 



monile 



rostrata 



+ 



+ 



-t- 



4- 



lupulina .^ 





The Carices of Colorado may, from a geographical view- 

 point, be classified in two sections : Northern and Southern. 



I. Northern Species. 



a. Circumpolar tyjyes. 

 G. ccmescenSy incurva, rigida, rupestris, misandra and pulla. 



h. Arctic^ hut not circumpolar. 



C. nardina, gyiiocrates, f estiva, alpina, atrata, Buxbaumii, scir- 

 poidea, capillaris and microglochin. 



c. Northern but not arctic types. 



G. tenella, stelhdata, teretiuscida, pratensis, siccata, Hoodii, vul- 

 garis, ohtusata, utriculata and rostrata. 



d. Northern types, endemic to North America. 



G. Dewey ana, Hookeria7ia, marcida, Sartioellii, Douglasii,athro- 

 stachya, petasata, Liddonii, Bonplandii, Parryana, varia- 

 bilis, acutina, Nebrascensis, aurea, Torreyi, polytrichoides, 

 Geyerii, Jilifolia, nigricans, Pennsylvanica, Bossii, Backii, 

 umbellata, longirostris and lanuginosa. 



