PIPER—FLORA OF THE STATE OF WASHINGTON. 285 
Corydalis macrophylla Nutt.; Torr. & Gr. Fl. 1: 69. 1888. 
Type cocauity: “In dark shady woods of North-West America; plentiful near the 
confluence of the Columbia with the sea.’ Collected by Scouler and by Douglas. 
Rance: Washington and Oregon in the coast region. 
SPECIMENS EXAMINED: Near Montesano, Heller 387i; Little Hoquiam River, Lamb 
1063; Suecotash Valley, Piper, August, 1895; July, 1895; Skokomish Valley, Kincaid, 
June 1892; upper Valley Nisqually, Al/en 118; Steilacoom; Ilwaco, Piper 4958. 
ZONAL DISTRIBUTION: Canadian. 
2. Capnoides aureum (Willd.) Kuntze, Rev. Gen. PI. 1: 14. 1891. 
Corydalis aurea Willd. Enum. 740. 1809. 
Type Locatity: ‘ Habitat in Canada.” 
Rance: British Columbia to Hudson Bay and New England, southward to Arizona and 
Texas. 
SPECIMENS EXAMINED: Rock Island, Sandberg d&: Leiberg 432; Spokane, Piper, May, 
1898: Marshall Junction, Piper, July, 1896; Wawawai, Elmer, June, 1897. 
ZONAL DISTRIBUTION: Arid Transition and Upper Sonoran. 
BRASSICACEAE. Musrarp F amity. 
Pods indehiscent. 
Flowers red; pods elongate, cylindric, somewhat con- 
stricted ..........-.---------- 2-2-0222 eee eee 28. RapHanus (p. 307). 
Flowers not red; pods orbicular or globose. 
Pods globose, reticulated; flowers yellow -....- - 25. Nesvia (p. 306). 
Pods flattened, orbicular; flowers white. 
Fruit wingless; pubescence branched. ..-.-- - 26. ATHYSANUS (p. 306). 
Fruit winged; pubescence simple... ..-- -- - 27. THysaNnocarpus (p. 306) 
Pods dehiscent, 2-valved, either elongate (siliques) or short 
(silicles). 
Pods elongate, therefore siliques. 
Siliques compressed parallel to the broad partition. 
Valves nerveless; leaves all petioled. 
Flowers red; stem 2 or 3-leaved near the 
summit ........-.----------------- 4. Denraria (p. 288). 
Flowers white; stem leafy below or 
throughout ........---------------- 5. CARDAMINE (p. 289). 
Valves 1-nerved; cauline leaves sessile. 
Siliques lanceolate, the valves reticulate... 6. PaRRyA (p. 291). 
Siliques linear. 
Petals flat; anthers short, subcordate. 
Petals twisted; anthers long, sagit- 
tate... 2.22 ee eee eee 8. STREPTANTHUS (p. 296). 
Siliques terete, not at all compressed. 
Pods 4 cm. long or more. 
ba | 
. ARABIS (p. 291). 
Flowers white or red; stigmas entire; pods 
erect... 2-2 ---------- 2-22 ee ee ee eee 11. THELYPopIUM (p. 298). 
Flowers yellow; stigmas 2-lobed; pods 
spreading.....-..-.---------------- 12. ErysimuM (p. 299). 
Pods Jess than 4 em. long. 
Herbage canescent; flowers white; low al- 
pine perennials ..........----------- 13. SMELOWSKIA (p. 300). 
Herbage not canescent; flowers yellow or 
white. 
