482 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
both sides with fine appressed hairs, scattered among these and on the margins tout 
hyaline bristles; blades 1.5 to 2 cm. long, exceeding the margined petioles; cauline leaves 
few, similar to the basal ones, but with shorter petioles; flowering stems erect, simple, 20 
to 30 cm. high, angled, pubescent like the leaves; inflorescence of 8 to 12 alternate, sub- 
equal, false racemes, floriferous to their bases, the bracts and calyx pubescent like the 
leaves, but the bristles more abundant; bracts linear-lanceolate, obtuse, shorter than the 
calyx; pedicels short, soft-hairy; calyx lobes lanceolate, in flower 5 to6 mm., in fruit 8 mm. 
long; corolla white, salver-form, its tube 5 mm. long, its limb 8 mm. broad; appendages 
triangular-ovate, obtuse, short; nutlets pale brown, dull, ovate, obtuse, 3 mm. Jong, each 
with a smooth, narrow margin, the back bluntly tuberculate, the ventral side rugose, the 
groove reaching nearly to the apex; gynobase longer than the nutlets. 
Type in the National Herbarium, collected at Ritzville, Adams County, by Sandberg & 
Leiberg (no. 164), June 6, 1893. 
4. Oreocarya sericea (A. Gray) Greene, Pittonia 1: 58. 1887. 
Krynitskia sericea A. Gray, Proc. Am. Acad. 20: 279. 1885. 
Type Locatity: ‘Alpine and subalpine on the mountains from Colorado and Utah to 
Oregon and Montana and probably in the British Possessions.” 
Range: Washington to Montana, Colorado, and California. 
SPECIMENS EXAMINED: Wenache, Whited 1099; Spokane, Piper 2294; Henderson 2563. 
ZONAL DISTRIBUTION: Arid Transition. 
PECTOCARYA. 
Nutlets oblong, the wings undulate..........2...2.22..-..2-.-.----- 1. P. penicillata. 
Nutlets obovate, the wings entire or wanting. 
Nutlets with a thin scarious wing........-...-.-...-.---.------- 2. P. setosa. 
Nutlets wingless...............-2-22--22.---2-2----2-2--2------- 3. P. pusilla. 
1. Pectocarya penicillata (Hook. & Arn.) A. DC. Prod. 10: 120. 1846. 
Cynoglossum penicillatum Hook. & Arn. Bot. Beech. Voy. 371. 1840. 
Type LocaLity: California. 
Rance: British Columbia to California and Nevada. 
SPECIMENS EXAMINED: Wenache, Whited 86; North Yakima, Henderson, May 27, 1892; 
Pasco, Piper 2967; Douglas County, Spillman, May 27, 1896; Harrington, Sandberg & 
Leiberg 223; Coulee City, Piper 3869; Walla Walla region, Brandegee 984; Rattlesnake 
Mountains, Griffiths &: Cotton 22. 
ZONAL DISTRIBUTION: Upper Sonoran and Arid Transition. 
z. Pectocarya setosa A. Gray, Proc. Am. Acad. 12: 81. 1877. 
Type Locaity: ‘On the desert plains of the upper Mohave River,” California. 
tANGE: Washington to California. 
SPECIMENS EXAMINED: Yakima County, Brandegee 985; North Yakima, Henderson 2560. 
ZONAL DISTRIBUTION: Upper Sonoran. 
2. Fectocarya pusilla (A. DC.) A. Gray, Proc. Am. Acad. 12: 81. 1877. 
Gruvelia pusilla A. DC. Prod. 10: 119. 1846. 
Tyre vocarity: “In Chili prope Valparaiso et montem la Leona.” 
Rance: Washington to California. Chile. 
SPECIMENS EXAMINED: West Klickitat County, Suksdorf 410. 
PLAGIOBOTHRYS. 
Nutlets somewhat cruciform, muriculate.........-.........-.--..--- 1. P. tenellus. 
Nutlets ovate, carinate, dull, roughened............-...-.---.--..-.- 2. P. nothofulvus. 
1. Plagiobothrys tenellus (Nutt.) A. Gray, Proc. Am. Acad. 20: 283. 1885. 
Myosotis tenella Nutt.; Hook. Kew. Journ. Bot. 3: 295. 1851. 
