1M2] 



PAYSON — STUDY OF THELYPODIUM AND ITS IMMEDIATE ALLIES 269 



Colorado: Camp Creek, Larimer County, July 6, 1903, Good- 

 ding 14.66 (Rky. Mt. Herb, and Mo. Bot. Gard. Herb.) ; Grizzly 

 Creek, July 24, 1896, Baker (Mo. Bot. Gard. Herb.). 



Idaho: Soda Springs, June 21, 1892, Mulford (Mo. Bot. Gard. 

 Herb.); Ketchum, June 24, 1892, Mulford (Mo. Bot. Gard. 

 Herb.) ; Ketchum and Guyer Hot Springs, July 22, 1911, Nelson 

 & Macbride IS46 (Rky. Mt. Herb.) ; Picabo, July 1, 1916, Mac- 



bride & Pay son 2982 (Rky. Mt. Herb, and Mo. Bot. Gard. 

 Herb.) ; Hailey, Wood River, July 22, 1895, Henderson 8248 (U. 

 S. Nat. Herb.). 



Utah: Logan, April 18, 1909, Smith 1529 (Rky. Mt. Herb.); 

 Logan, June 13, 1909, Smith I64O (Rky. Mt. Herb.); Brigham, 

 Box Elder County, May 9, 1910, Smith 2121 (Rky. Mt. Herb.) ; 

 Stansbury Island, June 18, 1883, Leonard (Univ. Calif. Herb.); 

 Juab, June 10, 1902, Goodding 1085 (Mo. Bot. Gard. Herb, and 

 Rky. Mt. Herb.). 



Nevada: O'Neil, July 18, 1912, Nelson & Macbride 2085 (Mo. 

 Bot. Gard. Herb, and Rky. Mt. Herb.) ; Palisade, June 14, 1882, 

 Jones 3768 (Mo. Bot. Gard. Herb, and Clokey Herb.). 



7a. Var. crassicarpum Pay son, n. var. 1 



T. sagittatum Nelson, First Rept. Fl. Wyo. 205. 1896, as to 

 specimens cited, not Endl. 



T. torulosum Rydb. Mem. N. Y. Bot. Gard. 1 : 171. 1900, not 

 Heller. 



Biennial, glaucous, very sparsely hirsute near the base: stems 

 rather stout, erect, branching upwards: radical leaves entire, 

 oblanceolate ; cauline leaves auriculate at the base, usually ob- 

 tuse at the apex: inflorescence corymbose; pedicels rather stout, 

 5-8 mm. long, divergent: pods 2-3.5 cm. long, stout, nearly 2 mm. 

 in diameter. 



Distribution: western Montana, northwestern Wyoming; 

 Washington. 



Specimens examined: 



Montana: Alaska Basin, Madison County, June 20, 1899, Nel- 

 son & Nelson 5474 (Rky. Mt. Herb, and Mo. Bot. Gard. Herb.). 



Wyoming: Yellowstone Nat. Park, Aug. 5, 1885, Letterman 18 

 (Mo. Bot. Gard. Herb.) ; Yellowstone Canyon, Aug. 24, 1899, 



Thelypodium sagittatum (Nutt.) Endl. var. crassicarpum var. nov., bienne; 

 siliquis 2-3.5 cm. longis, crassis, 2 mm. latis. — Collected in Yellowstone Canyon, 

 Wyoming, Aug. 24, 1899, Avcn Nelson Sr Elias Nelson 666S (Mo. Bot. Gard. Herb., 



typi;). 



