322 RYDBERG: STUDIES ON THE Rocky MOUNTAIN FLORA 
This is related to D. bicolor, but the upper petals are dark blue 
and the spur is much longer. 
IpAHO: Lewiston, April 1896, A. A. & E. Gertrude Heller 
2951 (type, in herb. Columbia University) ; region of Coeur d’Alene 
Mountains, June 24, 1895, Letberg 1031. 
» Delphinium viscidum sp. nov. 
Perennial with a woody root; stem about 3 dm. high, grayish 
strigose below, densely glandular-viscid above; leaf blades 5-7 
cm. broad, densely grayish strigose, dissected into narrowly 
linear lobes; inflorescence branched; sepals dark blue, 12-15 mm. 
long, oblong, acute; spur 10-12 mm. long, somewhat s-curved; 
upper petals yellowish, tinged with blue, obtuse, entire; lower 
petals dark blue, with obtuse, sinuate lobes; follicles densely stri- 
gose. 
This species is related to D. multiflorum and D. reticulatum, 
but the leaves are finely dissected as in D. Geyeri and D. scopulorum. 
Wyominc: Near Tie Siding, July 6, 1896, Osterhout (type, in 
herb. N. Y. Bot. Garden) ; Evanston, August 1878, Harry Edwards. 
BRASSICACEAE 
‘ Lepidium hirsutum nom. nov. 
Lepidium intermedium v. pubescens Greene, Bot. Gaz. 6: 157- 
1880. Not L. pubescens Desv. 1814. 
Lepidium medium pubescens Robinson, Syn. Fl. 11: 127. 1895- 
Lepidium virginicum subsp. texanum v. pubescens Thell. Mitt. Univ. 
Ziirich 28: 230. 1906. 
: Physaria lanata (A. Nels.) Rydb. comb. nov. 
Physaria didymocarpa lanata A. Nels. Bull. Torrey Club 31: 241: 
1904. 
This, I think, deserves specific rank, but P. grandiflora Blankin- 
ship is nothing but the typical P. didymocarpa. 
‘ Radicula trachycarpa (A. Gray) Rydb. comb. nov. 
Nasturtium trachycarpum A, Gray, Bull. U. S. Geol. & Geog. Surv. 
2: 233. 1876. 
