﻿Streptaxthus Howellii (Watson, P. A. A. 21, 445). 



Thclypodium Howellii Watson 1. c. 



This seems to be a well marked Streftanthus nearest 

 to S. cordatus. Leaves sagittate, broadly linear, acute, 

 1' long, sessile, oblanceolate, sinuate toothed, root leaves 

 with almost no petiole; stems ascending from the crown 

 of a perennial root, 1-1 y 2 ° high: racemes long and nar- 

 row, i° long or less; flowers purple or purlish; sepals 

 saccate, triangular-oblong, 3" long, tips barely spreading ; 

 petals with narrow blade, twisted and coiled, twice the 

 sepals, purple, claw enlarged below; anthers coiled, 

 sagittate, 1" long, exserted \%" \ immature pods with 

 long beak, 1" long, narrow; pods sessile, 1' long, nearly 

 erect; pedicels 2-2^" long, greatly enlarged at apex; 

 plants pubescent below and glabrous above. Has the 

 habit of an Arabis. Harney Valley, Or., June 8, 1885, 

 Howell. 



No. 5685. Jones, Bromide Pass, Henry Mts., Utah, 

 in gravel, on mountain sides, 9,000° alt. 



Short lived perennial, 2^-3° high, erect, stems with 

 barely a trace of inflation, simple but tufted, glabrous 

 throughout; leaves 3-5' long, clustered at the root, vari- 

 ously sinuate-lyrate-pinnatifid, with acutish often curved 

 lobes below, terminal lobe half the whole leaf, lanceolate 

 to oblong, i-2>^' long, petioles shorter than the blade; 

 stem leaves with still shorter petioles, linear to lanceolate, 

 mostly entire, 2-3' long, racemes naked, i-ij4° long or 

 less ; flowers about their own length apart and less than 



