

64 BOTANY OF THE DEATH VALLEY EXPEDITION. 



measurements it will be seen tliat our specimens are considerably more robust and 

 the parts larger than specimens from Texas and New Mexico. The plant is, however, 

 identical in all other characters and in habitat with those plants. 



It occurred in but one locality, a few miles east from Crystal Spring (No. 942), in a 

 narrow part of the canon leading from it; and only a few plants were seen. It has 

 previously been collected only in Texas, New Mexico, and adjacent Mexico. 



Sisymbrium incisnm Engelm. in Gray, PI. Fendl. 8 (1849). Type localities, 

 "banks of streams in Now Mexico; Santa Fe Creek, and Mora River." 



Collected near Mineral King (No. 1477;, about Whitney Meadows (No. 1613), and 

 at Big Cottonwood Meadows (No. 2131), localities all in the Sierra Nevada. 



Erysimum asperum (Nutt.) Gen. ii. 69(1818), under Clieiranihns; DC Syst. ii. 505 

 (1821). Type locality, "on the plains of the Missouri, commencing near the con- 

 fluence of White river." 



Frazier Mountain (No. 1201). Determined by Sereno Watson. This plant is an 

 erect biennial, 50 to 70 cm. high, canescent with pick-shaped hairs, with narrowly 

 linear-oblanceolate, entire, or laterally 1- or 2-dentate, leaves, and orange dowers. 



Erysimum asperum perenne Wats, in Coville, Proc. Biol. Soc. Wash. vii. 70 

 (1892). Type locality as given below. Plate III. 



"Apparently perennial, the old stem-base horizontal or nearly so ; st»-n erect, 25 

 to 50 cm. high ; radical leaves oblong to oblanceolafce, entire or very sparsely dentic- 

 ulate-dentate, tapering into a long petiole, sparsely strigose (like the 8tem)'withthe 

 pick-shaped hairs of E. asperum; stem leaves narrowly oblanceolate; petals lTght 

 yellow; fruit wanting. 



"Type specimen in the United States National Herbarium, No. 1487, Death Val- 

 ley Expedition; collected August 5, 1891, between Mineral King and Farewell Gap, 

 Sierra Nevada, Tulare County, California, by Frederick V. Coville. 



" Dr. Watson, in answer to my letter (forwarded to him with the specimens) saying 

 that this plant appeared distinct from E. asperum and similar to E. pumilum of Nut- 

 tall, determined the plant questionably as a new variety o£E. asperum, and sent the 

 following note: 'This may be distinct, but it is impossible to define a new species 

 from this material. It has not the habit of "E. pumilum/' which is a very dubious 

 species. Its perennial character, as your specimens show, is not always obvious, 

 and our other high mountain specimens from California and elsewhere do not help 

 to d istinguish it from E. asperum.' The plant differs conspicuously from the ordinary 

 Californian form of E. asperumin its yellow instead of orange petals, perennial root- 

 stock, smaller size, less canescent herbage, and broader root-leaves, and, furthermore 

 in its geographic range at a uniformly higher altitude, above the belt of Pinua 

 ieffrcyi, to which, with that of I'inus ponderoaa, the former appears to be confined." 



Collected also in Big Cottonwood Meadows (No. 2132). 



Stanleya elata Jones, Zoe, ii. 16 (1891). Type locality, "near Hawthorne," Ne- 

 vada. 



This plant is conspicuously different from S. pinnata in many respects, as Mr. Jones 

 (ibid. 17) has pointed out. It was found in Willow Creek Cation, Panamint Moun- 

 tains, in a canon of the Inyo Mountains, near Swansea, and in the mam canon on 

 the road from Darwin to Keeler (No. 946). 



Stanleya pinnata (Pursh) PL ii. 739 (1814), under Cleome; Britton, Trans. N. Y. 

 Acad. viii. 62 (1889). Type locality, "in Upper Louisiana." Nuttall, who is the 

 author of the genus Stanleya, and who named » this species S. pinnatifida, gives its 

 range as follows: "Commencing, (as we observed,) near the eontineikce of Paint 

 creek and the Missouri, growing on the talus of broken calcareous cliffs ; from hence 



1 Gen. ii. 71 (1818). 



