298 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Rance: British Columbia to New Brunswick, south to Arizona and Florida. 
SPECIMENS EXAMINED: North Yakima, Watt; Bingen, Suksdorf 2350, 2352; Coulee City, 
Lake & Hull 470. 
ZONAL DISTRIBUTION: Upper Sonoran. 
LESQUERELLA. 
Pods oval; pubescence not stellate... ....-- 2-2-2 2222.22 eee 1. L. occidentalis. 
Pods obovate; pubescence stellate........-2.....---.-----.-2------- 2. L. douglasir. 
1. Lesquerella occidentalis 5S. Wats. Proc. Am. Acad. 23: 251. 1888. 
Vesicaria occidentalis S. Wats. Proc. Am. Acad. 20: 353. 1885. 
Type Locauiry: ‘Near Yreka, California.” 
RanGe: Washington to California. 
SPECIMENS EXAMINED: Near Mount Adams, /’lett 480; Klickitat River, Fett 1137. 
2. Lesquerella douglasii S. Wats. Proc. Am. Acad. 28: 255. 1888. 
Type Locauity: “On the Columbia River east of the Cascade Mountains, Wilkes, Lyall, 
Suksdorf.”’ 
Rance: Eastern Washington and eastern Oregon. 
SPECIMENS EXAMINED: Wenache, Whited 1119, 1065; Rock Island, Sandberg & Leiberg 
426; White Bluffs of Columbia, Brandegee 635; near Columbus, Suksdorf in 1886; without 
locality, Vasey in 1889; Columbia Valley, Lyall in 1860; without locality, Douglas in 1829; 
Klickitat County, Suksdorf' 842; Pasco, Hindshaw, May, 1896; between Coulee City and 
Waterville, Spillman, May, 1896; Conconully, Griffiths & Cotton 312. 
ZONAL DISTRIBUTION: Upper Sonoran. 
The Brandegee specimens are erroneously associated with L. occidentalis 5. Wats. in the 
Synoptical Flora. 
THELYPODIUM. 
Cauline leaves auriculate at base. ......-.-...-.-.-----.-- teeeee- 1. T. sagittatum. 
Cauline leaves not auriculate. 
Annual; racemes loose; pods deflexed......-. - cece eee eeeee 2. T. lasiophyllum. 
Biennial; racemes dense; pods spreading. 
Leaves entire or repand.........-.......-.---.--------- 3. T. integrifolium. 
Leaves pinnatifid. 
Flowers whitish; leaves fleshy .....-.....------.----- 4. T. laciniatum. 
Flowers purple; leaves membranous... ....-.-........ 5. T. streptanthoides. 
1. Thelypodium sagittatum (Nutt.) Heller, Bull. Torr. Club 25: 265. 1898. 
Streptanthus sagittatus Nutt. Journ. Acad. Phila. 7: 12. 1834. 
Thelypodium nuttallii S. Wats. Bot. King Explor. 5: 26. 1871. 
Type Locauity: “On the banks of the Little Goddin river toward the sources of the 
Columbia.” Collected by Wyeth. 
RanGe: Washington to Utah and Nevada. 
SPECIMENS EXAMINED: North Yakima, Leckenby, May 18, 1898; without locality, Bran- 
degee 638; without locality, Vasey in 1889; Coulee City, Piper 3883. 
ZONAL DISTRIBUTION: Upper Sonoran. 
2. Thelypodium lasiophyllum (Hook. & Arn.) Greene, Bull. Torr. Club 13: 142. 1886. 
Turritis (4) lasiophylla Hook & Arn. Bot. Beech. Voy. 321. 1840. 
Sisymbrium reflecum Nutt. Proc. Acad. Phila. 3: 26. 1848. 
Tyre Locauity: California. 
Rance: Washington to California. 
SPECIMENS EXAMINED: Whatcom County, Suksdorf 953. 
