166 
BRASSIACEAE. 
24. CONRINGIA Heist. 
1. Conringia orientalis (L.) Dum. Introduced from Europe; from Me. and 
Alb. to Del. and Colo.—Minnehaha. 
25. STREPTANTHUS Nutt. 
1. Streptanthus wyomingensis A. Nels. On dry hills of Wyo. and Colo.— 
Alt. about 7000 ft.—Palisades, Mesa Co.; Cimarron; Glenwood Springs, Gar¬ 
field Co. 
26. EUKLISIA (Nutt.) Rydb. 
Stem leaves oblong or ovate, with cordate base. 
Leaves thick; sepals with bristles near the apex. 1. E. crassifolia. 
Leaves thin ; sepals without bristles. 2. E. cordata. 
Stem leaves linear. 3. E. longirostris. 
1. Euklisia crassifolia (Greene) Rydb. ( Streptanthus crassifolius Greene) 
On dry hills from Colo, to Utah, N. M. and Ariz.—Alt. about 7000 ft.— 
Grand Junction; Cimarron. 
2. Euklisia cordata (Nutt.) Rydb. ( Streptanthus cordatus Nutt.) On dry 
hills from Wyo. to Colo, and Utah.—McCoy’s, Eagle Co.; Mesa Verde. 
3. Euklisia longirostris (S. Wats.) Rydb. ( Arabis and Streptanthus longi¬ 
rostris S. Wats.) In valleys from Wyo. to Utah, N. M. and Ariz.—Palisades. 
27. THELYPODIUM Endl. 
Plant glabrous or with simple hairs. 
Upper leaf-blades auricled at the base. 
Petals rose-color, purplish or white. 
Pods 7-10 cm. long. 1. T. elegans. 
Pods 3-5 cm. long. 
Stem-leaves lanceolate-sagittate; petals rose or purplish. 
2. T. paniculatum. 
Stem-leaves ovate-sagittate; petals white or straw color. 
3. T. Bakeri. 
Petals bright yellow. 4. T. aureum. 
Upper leaf-blades attenuate at the base. 
Some of the leaves sinuately toothed or laciniate. 
Pedicels slender, 6-15 mm. long; upper leaves entire or slightly toothed; 
pods divergent. 5. T. Wrightii. 
Pedicels short and stout, 2-5 mm. long; most of the leaves laciniate; 
pods reflexed. 6. T. utahensis. 
Leaves all entire or the lower sometimes repand. 
Inflorescence dense; stigma truncate; lower leaf-blades obovate or 
oblanceolate. 
Inflorescence very short; stipes 1 mm. long ; pod rather stout. 
7. T. integrifolium. 
Inflorescence more elongated ; stipes 2-3 mm. long; pod very slender. 
8 . T. gracilipes. 
Inflorescence very slender and lax ; stigmas conical; leaves all linear. 
9. T. linearifolium. 
Plant pubescent with branched hairs. 10. T. micrantlmm. 
1. Thelypodium elegans M. E. Jones. On adobe plains in Utah and Colo. 
—Southwestern Colorado. 
