PIPER—FLORA OF THE STATE OF WASHINGTON. 299 
8. Thelypodium integrifolium (Nutt.) Endl.; Walp. Rep. 1: 172. 1842. 
Pachypodium integrifolium Nutt.; Torr. & Gr. Fl. 1: 96. 1888. 
Type Locaity: ‘Elevated plains of the Rocky Mountains, towards the Oregon, as far 
as Wallawallah.’’ Collected by Nuttall. 
Rance: Washington to California and Nebraska. 
SPECIMENS EXAMINED: Yakima City, Piper, July, 1897; Coulee City, Lake & Hull 473; 
Satus, Elmer 1073; Squaw Creek, Cotton 874. 
ZONAL DISTRIBUTION: Upper Sonoran. 
The “Thelypodium brachycarpum Torr.?”’ of Suksdorf’s list is based on a specimen of 
T. integrifolium. 
4. Thelypodium laciniatum (Hook.) Endl.; Walp. Rep. 1: 172. 1842. 
Macropodium laciniatum Hook. Fl. Bor. Am. 1: 43. 1829. 
Type Locauity: “Common on dry rocks about Wallawallah, and at Priest’s Rapid on 
the Columbia.” Collected by Douglas. 
Rance: Washington to California and Nevada. 
SPECIMENS EXAMINED: Wenache, Whited 200, 1246; North Yakima, Piper; Pasco, 
Piper 2986; Cascade Mountains, 49°, Lyall in 1860; Wallula, Leckenby; Crab and Wilson 
creeks, Sandberg & Leiberg 229; Rockland, Suksdorf 237; without locality, Vasey in 1889; 
Rock Lake, Piper 2792; Walla Walla, Leckenby; Douglas County, Spillman; Coulee City, 
Piper 3863; Rattlesnake Mountains, Cotton 391; Whitman County, opposite Clarkston, 
Hunter 21; Ritzville, Sandberg & Leiberg 190. 
ZONAL DISTRIBUTION: Upper Sonoran. 
5. Thelypodium streptanthoides Leiberg, in herb. 
Stout erect from a biennial root, often branched from the base, 0.5 to 1 meter high, 
glabrous throughout; leaves oblong-lanceolate, irregularly sinuate-toothed or pinnatifid 
with oblong or even linear lobes, green on both sides, 4 to 10 em. long, all petioled; racemes 
dense, 30 to 60 cm. long; sepals becoming 6 to 8 mm. long, deep purple at least on the upper 
third, somewhat irregular, the lower pair often united for two-thirds of their length, con- 
spicuously saccate at base, becoming tubulose-convolute at apex; petals narrowly linear 
with a dilated apex, flat, double the length of the sepals; filaments much elongated, nearly 
equal, free; pods 10 to 12 cm. long, on stout divaricate pedicels 4 to 6 mm. in length, sub- 
terete, flexuous or curved, minutely tomentose, strongly nerved; style short or none; 
mature seeds not seen. 
Type specimen in the U. S. National Herbarium, collected near Wilson Creek, Douglas 
County, altitude 680 meters, no. 229, Sandberg & Leiberg in 1893. Also collected on 
rocky cliffs at Almota, Piper 1473 and 3563; Lake Chelan, Elmer, July, 1897; and Soap 
Lake, McKay 2. 
This species is closely allied to 7. laciniatum (Hook.) Endl., but differs in its thinner not 
at all glaucous leaves and purple-tinged calyx. 
ERYSIMUM. 
Petals 4 to 5 mm. long; pods 1 to 2 em. long ......-..-------.--- 1. E. cheiranthoides. 
Petals 16 to 24 mm. long. 
Pods 4-angled, spreading, 5 to 12 cm. long. 
Seeds quadrangular.......-.-.-.--------------+2-+--+-- 2. E. asperum. 
Seeds lenticular. .....-.----------------+-++------------ 3. E. elatum. 
Pods flattened. 
Cespitose perennial; cotyledons incumbent... ..-...------- 4. E. arenicola. 
Biennial, simple; cotyledons accumbent.........--------- 5. E. occidentalis. 
1. Erysimum cheiranthoides L. Sp. Pl. 2: 661. 1753. 
TYPE LOCALITY: Huropean. 
