482 GEOLOGICAL SURVEY OP THE TERRITORIES. 



CONIFER. JE. 



Ephedra antisypMUtica, Berland. — Wyoming Territory; August to Sep- 

 tember. 



Juniperus communis, L. — Near Denver. 



Juniperus occidentalism Hook.— Wyoming Territory ; August to Sep- 

 tember. 



Pinus flexilis, James. — Wyoming Territory. 



IRIDACE^E. 



Iris tenaXj Dougl. — Denver ; Wyoming Territory. In fruit. 



LXLIACEJE. 



Veratrum viride, Ait. — Uinta Mountains, Wyoming Territory. 



Zygadenus glaucus, Nutt. — Uinta Mountains, Wyoming Territory. 



Smilacina stettata, Desf. — Denver j Uinta Mountains. 



Allium stellatum, Nutt. — Denver. 



Allium cernuum, Both. — Denver. 



Allium acuminatum, Hook ? — Uinta Mountains, Wyoming Territory. 

 The sepals have a longer aeumination than in Hooker's figure (Fl. Bor. 

 Am., 1. 196), and the inner ones are not serrulate. 



Allium Schcenoprasum, L. — Wyoming Territory ; August to Septem- 

 ber. 



Yucca, angustifolia, Pursh. — Near Denver. 



Calochortus venustus, Benth.— Near Denver. 



JUNCACE.^. 



Luzula spicata, Desv. — Uinta Mountains, Wyoming Territory. 



Luzula parvijlora, Desv., var. melanocarpa, Grey. — Uinta Mountains. 



Juncus Balticus, Dethard. — Uinta Mountains, Wyoming Territory. 



Juncus tenuis, Willd. — Henry's Fork of Green Biver. 



Juncus longistylis, Torr. (J. Menziesii, B. Br.) — Denver. 



Juncus noclosus, L., var. megacephalus, Torr. — Denver. 



Juncus Mertensianus, Bong. ; Bug&Lm. Bev., p. 479. — Uinta Mountains. 



COMMELYNAOE^E . 



Tradescantia Virginica, L. — Denver. 



CYPERACE^E. 



Meocliaris palustris, B. Br. — Denver. 



Scirpus pungens, Yahl. — Denver. 



Scirpus mantimus, L. — Wyoming Territory ; August to September. 



Scirpus atrovirens, Muhl. — Near Denver. 



Carex strain ineo, Schk. — Denver. 



Car ex /estiva, Dew. — Uinta Mountains, Wyoming Territory. 



Carex Haydeniana, Olney, sp. nov. Spica ovata vel subrotundata 

 capitata fusco-ferruginea e spiculis snb-G basi masculis densiiloris ; brac- 

 teis squamaeformis cuspidatis; perigyniis ovatis longe attenuato-rostra- 

 tis, ore oblique secto, membranaceis coinpressis alatis ; margine duplo- 

 serratis basi leviter nervatis, llavidis superne vel demum omnius fuscis 

 apertis squama ovata acuta margine hyalina longioribus ; achenio 

 strainineo lenticulari-elliptico. Sab., California, Bolander, 5074 ; Uinta 

 Mountains, Wyoming Territory, F. V. Hayden, September, 1870. — The 

 Carex Haydeni of Dewey being clearly C. aperta, Boott., this is named in 

 honor of the zealous explorer in the realms of natural history whose 

 name it bears. Low, 4 to 6 inches high, caespitose ; roots fibrous ; leaves 

 flat, narrow, shorter than the culms. Allied to C. f estiva, Dew. 



