432 RyDBERG: Rocky MOUNTAIN FLORA 
Sepals unequal, the lower longer ; hairs, at least some of them, stellate or branched, 
Tleterothrix, 
THELYPODIOPSIS gen. nov. 
Biennials with rather thick and glaucous foliage and glabrous 
except the lower part of the stem. Basal leaves spatulate or ob- 
lanceolate, more or less toothed, with winged petioles ; stem-leaves 
auriculate-clasping with rounded auricles. Sepals thin, erect or 
ascending, not gibbous, more or less petaloid, linear or oblong. 
Petals more or less clawed, white or purplish or in one species 
yellow. Filaments distinct, slender, filiform or subulate ; anthers 
long, linear, sagittate at the base, soon spirally curved. Pod slen- 
der, terete, more or less torulose, usually with short stipe and 
style ; stigma 2-lobed, the lobes expanded over the septum ; coty- 
ledons obliquely incumbent. 
The first species of this genus as well as of the following 
new genera is regarded as the type. 
Stipe very short, Jess than I mm. long or almost none; petals white or tinged with 
purple. 
Style 2 mm. or nearly so. 
Pod 7-9 cm. long. T. elegans. 
Pod about 4 cm. long. . Bakert, 
Style less than I mm, long ; pod 5-7 cm. long. T. wyomingensts. 
Stipe 2-5 mm. long; petals and sepals yellow. T. aurea, 
( Thelypodiopsis elegans (M. E. Jones). 
Thelypodium elegans M. E. Jones, Zoe Ay 206, «1893. 
¥ Thelypodiopsis Bakeri (Greene). : 
Lhelypodium Bakeri Greene, P|. Baker, 4: 6. 1901. 
y Thelypodiopsis wyomingensis (A. Nelson). 
Streptanthus wyomingensis A. Nelson, Bull. Torrey Club 26: 
126. 1899. 
V Thelypodiopsis aurea (Eastw.). 
Lhelypodium aureum Eastw. Zoe 2: 227. 189l. 
’ Thelypodium Palmeri sp. nov. 
Biennial or perennial with a tap-root; stem 3-5 dm. high, 
sparingly hirsute below, glabrous above ; basal leaves oblanceo- 
late or spatulate, 2-4 cm. long, more or less hirsute beneath, 
especially on the veins; stem-leaves sagittate, 2-4 cm. long, glab- 
rous or nearly so; inflorescence usually branched with ascending 
branches ; pedicels nearly erect, 5-8 mm. long ; sepals oblong, 
3-4 mm. long; petals 5-6 mm. long, white or rose; claw about 
3 mm. long ; blade spatulate or oblanceolate ; pod about 2—5 cm. 
long, I mm. wide. . 
