OF ARTS AND SCIENCES. 353 



Mr. and Mrs. J. G. Lemmon, in August, 1884. These two western 

 species, as well as C elata, are distinguished from the eastern and 

 Asiatic species of Eucimicifuga by the sessile or nearly sessile carpels. 

 lu C. elata the carpels are 4 lines long and about 10-seeded, the seeds 

 brown and minutely tuberculate. 



Arabis subpinnatifida. Biennial or apparently sometimes per- 

 ennial, with a branching base, canescent with a very fine and dense 

 stellate pubescence ; stem 6 to 18 inches high : basal leaves crowded 

 and persistent, very narrowly liuear-oblanceolate, entire or sparingly 

 toothed, I to 1^- inches long; cauline approximate, lanceolate, ses- 

 sile and more or less sagittate, coarsely and subpinnatifidly toothed : 

 flowers pale pink, 3 to G lines long : pods strongly reflexed on pedicels 

 2 to 5 lines long, \\ to 2| inches long and 1 to H lines wide, gla- 

 brous or pubescent, attenuate more or less narrowly to the short 

 style. — West Humboldt Mountains, Nevada (76 Watson, in part, 

 referred to A. retrofracta) ; Scott Valley, Siskiyou County, Cali- 

 fornia, E. L. Greene, 1876; Waldo, Southwestern Oregon, Thomas 

 Howell, 1884. 



Streptanthus Howellii. Apparently perennial, glabrous, the 

 stout leafy simple stems a foot high or more : leaves from obovate- 

 spatulate below to narrowly oblong-spatulate above, 1^^ to \ inches 

 long: raceme elongated; pedicels 3 to 5 lines long: sepals broad, 3 

 lines long ; petals with an oblong dark purple limb : stigma broad, very 

 short and sessile : fruit unknown. — In the Coast Mountains, near the 

 California line, in Curry County, Oregon; Thomas Howell, June, 

 1884. Evidently a Streplayitlius, and of peculiar habit. 



Vesicaria Kingfi. Biennial and jierhaps perennial, canescent 

 with a close appressed-scurfy very obscurely stellate silvery pubes- 

 cence, procumbent: liaves ovate, 2 to 6 lines long, upon an elongated 

 slender petiole, becoming small and spatulate upon the short flowering 

 stems (4 inches long or less) : flowers pale yellow, 2 or 3 lines long: 

 pods pubescent, ovate, obtuse, somewhat obcompressed (replum ob- 

 long), about 2 lines long, sessile upon the short pedicel (2 to 3 lines 

 long) : style 1 ^^ lines long or less. — West Humboldt Mountains, Ne- 

 va'la (82 Watson, referred to V. montana) ; Lassen's Peak, California, 

 J. G. Lemmon, and Mrs. Austin ; Aquarius Plateau, Utah, L. F. 

 Ward (n. 589). 



Vesicaria occidentalis. Resembling the last in habit and pu- 

 bescence : leaves oblanceolate, attenuate at base, 3 or 4 inches long 

 including the petiole, mostly coarsely sinuate-toothed, the cauline 

 spatulate-oblanceolate and mostly entire: stems decumbent, ^ to 1 foot 

 VOL. XX. (x. s. XII.) 23 



