1922] 



PAYSON — STUDY OF THELYPODIUM AND ITS IMMEDIATE ALLIES 265 



Herb.) ; Sierra County, July, 1894, Sonne (Univ. Calif. Herb.) ; 

 Purely, July 1, 1907, Heller & Kennedy 8671 (Mo. Bot. Gard. 

 Herb, and Univ. Calif. Herb.) ; McFarland's mill, Placer County, 

 July 11 ,1886, Sonne (Univ. Calif. Herb.) ; Mono Pass, 1866, Bo- 

 lander 6272 (Mo. Bot. Gard. Herb.); Bloody Canyon, Mono 

 County, July 20, 1889, Chestnut & Drew (Univ. Calif. Herb.); 

 meadows at Bishop, Inyo County, June 1, 1906, Hall & Chandler 

 284 (Univ. Calif. Herb.). 



Herbarium specimens labelled "T. crispum Greene," a name 

 that has apparently never been published, serve as the type of 

 a new species definitely distinct from T. brachycarpum by the 

 slender, erect pedicels. 



I 



4. T. Howellii Wats. Proc. Am. Acad. 21 : 445. 1886 ; Robin- 

 son in Gray, Syn. Fl. N. Am. I 1 : 174. 1895; Howell, Fl. North- 

 west Am. 58. 1897; Frye & Rigg, Northwest Flora, 179. 1912. 



Streptanthus Howellii Jones, Proc. Calif. Acad. II. 5: 623. 



1895. 



Thelypodium simplex Greene, Pittonia 4: 200. 1900. 

 Biennial, more or less hispid-pubescent near the base, other- 



glabrous 



slender, erect, sim 



or branched at the base, sparingly branched above, 3-8 dm. 

 high: radical leaves rosulate, oblanceolate, obtuse, lyrately 

 toothed, 2-4 cm. long; cauline leaves entire, lance-linear, acute, 

 erect and usually appressed, sagittate at the base, sessile, 1-4 cm. 

 long: sepals usually purplish, lateral somewhat saccate at the 

 base, scarious margined, about 7 mm. long; petals pale blue or 

 purple, spatulate, crisped, twice as long as the sepals; stamens 

 slightly longer than the sepals : inflorescence racemose, lax ; pedi- 

 cels ascending, about 5 mm. long, stout: pods erect or ascending, 



-5 cm. long, about 1 mm. wide; stipe less than 0.5 mm. long; 



:yle about 1 mm. long, stigma entire; septum uniformly colored. 



Distribution: eastern Oregon and northeastern California. 



Howell from "Camp Polk and in Harney Valley 



Oreg 



Specimens examined: 



Washington: 1883, Brandegee 638 (Univ. Calif. Herb.). 



Oregon: Yanex Reservation, July, 1893, Austin (Univ. Calif 

 Herb, and Mo. Bot. Gard. Herb.); wet soil, Farewell Bend 

 Crook County, July 16, 1894, Leiberg 455 (Mo. Bot. Gard 

 Herb.) ; wet meadow, Camp Polk, June 14, 1902, Cusick 2812 



