354 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM, 
10. Lupinus subsericeus Robinson, sp. nov. (§ SERICEI). 
Root stout, bearing a well-developed leafy crown; stems 15 to 25 em. high, decumbent or 
curved-ascending, 2 or 3-leaved; petioles of the radical leaves slender, 7 to 10 cm. long; 
leaflets oblanceolate, obtusish, finely sericeous, but green on both surfaces, 16 to 24 mm. 
long, 3 to 6 mm. broad; peduncles short, 2 to 5 cm. in length; bracts lanceolate, rather 
promptly deciduous; racemes at length 10 to 13 em. long, becoming rather loose; bractlets 
unusually large, oblong, 4 mm. in length; flowers 12 to 14 mm. long, on slender pedicels 
4to6mm. in length; upper calyx lobe cleft four-fifths of the way to the base, the lower 
distinctly and sharply 3-toothed; corolla indigo-blue with a spot of lighter color on the 
glabrous obovate standard; keel ciliated; ovules about 5; pod densely sericeous. 
SPECIMENS EXAMINED: Ellensburg, Whited 602, May 5, 1898; Badger Mountain, Whited 
1220. 
11. Lupinus albicaulis Dougl.; Hook. Fl. Bor. Am. 1: 165. 1830. 
Tyre Locauity: ‘About Fort Vancouver on the Columbia.” 
Rance: Washington and Oregon in the coast region. 
SPECIMENS EXAMINED: Whidby Island, Gardner 427; near Olympia, Heller 4039; McAl- 
listers Lake, Henderson, June, 1892; Fourth Plain, Piper, July 14, 1899; Union City, Piper, 
July 20, 1890. 
Specimens collecetd by Suksdorf’ in Falcon Valley, nos. 345, 346, are closely allied to 
L. albicaulis, but probably represent a new species. 
ZONAL DISTRIBUTION: Humid Transition. 
12. Lupinus leucophyllus Doug]l.; Lindl. Bot. Reg. 13: pl. 1124. 1827. 
Tyee Locauity: “From the Great Falls of the Columbia in North America to the 
sources of the Missouri among the Rocky Mountains.” 
Rance: Washington to Nevada and New Mexico. 
SPECIMENS EXAMINED: Ellensburg, Whited 551; upper Wenas River, Henderson 2336; 
Rock Lake, Lake & Hull 432; Spokane, Piper 1901, 2270; Dewart in 1900; Henderson 
2335; Pullman, Piper, July, 1893; July 28, 1894, and 1902; Hull 755; Waitsburg, Horner 
86; Blue Mountains, Piper, July 15, 1896; Conconully Creek, Griffiths & Cotton 286; 
Colville Reservation, Griffiths & Cotton 398. 
ZONAL DisTRIBUTION: Arid Transition. 
12a. Lupinus leucophyllus plumosus (Dougl.) Robinson. 
Lupinus plumosus Doug]. Bot. Reg. 15: pl. 1217; Hook. Fl. Bor. Am. 1: 165. 
Bracts very long and narrow, plumose-ciliate, much exceeding the buds. Sometimes well 
marked, but in other cases vague and confluent with the typical form. 
TYPE LocaLity: “Common in northern California in 45° north, growing in gravelly 
soil; it is also found at the sources of the Wallawallah River, near the Blue Mountains.” 
Collected by Douglas. 
Specimens referable to this are included in the preceding. 
13. Lupinus canescens Howell, Erythea 1: 110. 1893. 
Type Locacity: “At the western base of Buck’s Mountain, a spur of the Blue Mountains 
of Oregon.”’ 
Rance: Washington and Oregon. 
SPECIMENS EXAMINED: Klickitat Valley, J. Howell, June, 1879. 
L38a. Lupinus canescens amblyophyllus Robinson, subsp. nov. 
Leaflets elliptic-lanceolate, broader than in the typical form, rounded and mucronulate 
at the apex; seeds red. 
SPECIMENS EXAMINED: Near Egbert Springs, Douglas County, Washington, Sandberg & 
Leiberg 402 (type), July 5, 1893. 
