SMITH: STUDIES IN THE GENUS LUPINUS—XI 309 
This belongs to Heller’s group Arborei (Muhlenbergia 8: 65. 
1912); but cannot, as I see it, be referred to any of the described 
species, though having considerable resemblance to the very 
villous L. formosus Bridgesii Greene, of the Albicaules. 
26. Lupinus Cottoni sp. nov. 
Caules e stirpe pane eramosis corpulentis fistulosis glabratis; 
oliis paucis nullis ad basin, petiolis inferioribus 10-18 cm 
longis, foliolis 5 ad 9, oblanceolatis, _lucido-viridis, glabris super 
ati 
Glabrate, 30-50 cm. tall, few-leaved, simple, stout, fistulous, 
from a woody c audex; leaves cauline, none strictly basal, lower 
peels 10-18 cm. long, upper shorter, stipules lance-linear, 
8-20 mm. long, leaflets five to nine, oblanceolate, acute, bright 
green, glabrous above, minutely and sparsely pubesce a beneath, 
40-70 mm. long by 8-20 mm. wide; sored. es 4-10 
racemes io90 cm. pee flowers 11-14 mm. long, poborsticitiate. 
spreading after anthesis, bracts about 5 mm. long, appressed- 
pubescent, early deciduous, pedicels 4-5 mm. long, slender, 
aod ee pubescent; calyx bracteolate, upper lip about 4 mm. 
ong, entre or Eee , lower one 5 mm. og entire; petals 
wide, banner glabrous, almost wide keel = 
sparsely ciliate peters de raiddie | a the poe Fa pods 2 
5m sed-hairy, ovules 6, seeds about 4 X 3 mm., sale 
flesh- AE ey dotted with purplish brown. 
WASHINGTON. Yakima County: Head of Hell Roaring 
River, Mount Rainier National Forest, 7000 feet, 6 Sept., 1903, 
J. S. Cotton 1518 (Type, SCW 13430); Mount Adams, 10 July, 
1882, L. F. Henderson (UQ); same, 13 Aug., 1882, 
(UO); same, 16 Aug., 1882, T. J. Howell (DS, UO). 
Subalpine meadows, near snowline. Labelled L. Burkez, but 
evidently nearer L. Wyethii, as commonly interpreted. 
The following list explains the abbreviations herein used in 
citing the specimens examined: 
CA, California Academy of Science, San Francisco; 
rof. C. V. Pipe 
DS, Dudley Herbarium, Stanford Guvensty: 
