GEOLOGICAL SURVEY OF THE TERRITORIES. 479 



Pentstemon humilis, Nutt. — Denver ; Wyoming Territory ; August to 

 September. 



Pentstemon confertus, Dougl., var. cmruleo-purpureus, Gray. — Mountains 

 near Denver ; North Park, Colorado Territory. 



Mimulus Jamesii, Torr. — Near Denver. 



Mimulus luteus, L., Wyoming Territory ; August to September. 



Hysanthes gratioloides, Benth. — North Park, Colorado Territory. 



Veronica Americana, Schw. — Henry's Fork of Green River. 



Veronica serpyllifolia, L. — Henry's Fork of Green River. 



Castilleia Integra, Gray. — Near Denver. 



Castilleia pallida, Nutt. — Denver ; Uinta Mountains. 



Orthocarpus luteus, Nutt. — Denver; Uinta Mountains. 



Pedicularis bracteosa, Benth. — Mountains near Denver. 



Pedicularis Grcenlandica, Eetz. — Uinta Mountains. 



VERBENACE^E. 



Verbena bracteosa, Michx. — Denver; Wyoming Territory. 

 Verbena stricta, Vent. — Camp Carlin, Wyoming Territory. 



LABIAT^E. 



Mentha Canadensis, L. — Henry's Fork of Green River. 

 Hedeoma Drummondii, Benth. — Wyoming Territory ; August to Sep- 

 tember. 

 Monarda fistulosa, L. — Near Denver. 

 Monarda aristata, Nutt. — Near Denver. 

 Scutellaria resinosa, Torr. — Near Denver. 

 Scutellaria galericulata, L. — Near Denver. 

 Stachys palustris, L., var. aspera, Gray. — Denver. 

 Stachys palustris, L., var. cordata, Gray. — Wyoming Territory. 



BORRAGINACE^E. 



Onosmodium Carolinianum, DC. — Denver. 



Mertensia alpina, Don. — Mountains near Denver. 



Mertensia paniculata, Don. — Mountains near Denver. 



Mertensia Sibirica, Don. — Mountains near Denver, Uinta Mountains. 



Lithospermum pilosum, Nutt. — Denver. 



Liihospermum hirtum, Lehm. — Denver. 



Ecliinospermum RedowsM, Lehm. — Denver, Wyoming Territory. 



Ecliinospermum floribundum, Lehm. — Denver. 



Eritricliium crassisepalum, Torr. and Gray. — Denver. 



Eritricliium Jamesii, Torr. — Near Denver. 



Eritricliium glomeratum, DC, (Myosotis glomerata, Hook. Fl. Bor. 

 Am. 2. p. 82. t. 162,) var., hispidissimum, Torr. in Emory's Rep. Bound. 

 Surv. 2. p. 140. (fide Gray.) — Camp Carlin, Wyoming Territory, July 30, 

 1870, F. Y. Hayden. — Stem 8 to 10 inches high. Racemes mostly bifid 

 or trifid, 3 to 4 inches long, much surpassing the leaves. Flowers small 

 and somewhat scattered, rather shorter than the acute, lance-ovate 

 bracts. Limb of the corolla 2 lines in diameter, its narrow tube about 

 as long. Nutlets 4, reticulate-rugose on the back. 



Eritrichium virgatum, sp. nov. Sesquipedale, hispidissimum; caule 

 simplici tereti erecto ; foliis radicalibus oblongo-spathulatis, caulinis 

 linearibus; cymis plurimis in axillis foliorum conglomeratis peduncula- 

 tis superne subsessilibus confertisque ; calycis 5-partiti segmeutis lance- 

 olatis tubum corollse aequantibus ; nuculis 4-ovatis dorso infra partem 

 mediam convexo supra lateribus depresso laevibus nitidis. — Near Den- 

 ver, Colorado Territory, 1869, B. H. Smith. The stout virgate spike 



