14 
Studies in the Leguminosae.—ll. 
By ANNA Murray VAIL, 
os 
NOTES ON PAROSELA, WITH DESCRIPTIONS OF 
NEW SPECIES. 
PAROSELA ARIZONICA N. sp. 
Suffruticose, 1.5—2 dm. high, branched from the base, strongly 
aromatic-glandular throughout, minutely cinereous-pubescent 
below, glabrous above; stipules minute; basal leaves on the short, 
old? shoots 1 cm. long or less, grayish-green, cinereous, becoming - 
glabrate? the leaflets 5-9, linear, strongly involute, 2-3 mm. long, 
obtuse, beset with scattered glands; upper leaves 2—4 cm. long, 
yellowish-green, glabrous or nearly so, the rhachis channeled, at 
length falcate, leaflets 9-21, involute, 3-6 mm. long, linear, bright 
yellow-green, thick and coriaceous, glandular, falcate, somewhat 
reflexed; peduncles terminal, 1-3 cm. long; heads subglobose,. 
6-10 mm. long; bracts 2-3 mm. long, broadly ovate, acnte, some-. 
what scarious, minutely pubescent, the outer ones obtuse at the 
base, the inner ones unguiculate, bearded on the back of the claw; 
calyx slightly less than 3 mm. long, membranous, contracted at 
the mouth, teeth minute, acute; corolla white, very small; pod 
2-5 mm. long, obliquely ovoid; seed 2 mm. long, obtuse at the 
hilum, pale yellow. 
A species remarkable for its numerous, low, erect branches, 
bright green upper leaves, and very small heads of white flowers. 
The specimens from which this description has been drawn are 
preserved in Herb. Columbia University, and were sent to me by 
Miss Alice Eastwood, and the label reads, “ Vicinity of Tucson, 
Arizona; collected by Herbert Brown, October, 1895.” 
PAROSELA THYRSIFLORA (A. Gray). 
Dalea thyrsiflora A Gray, Proc. Am. Acad. 5: 177. 1861. 
Dalea Dominigensis var. paucifolia Coulter, Contr. U. S. Nat. 
Herb, No. 2: 34. 1890. : : ‘ 
PAROSELA GRAYI. 
Dalea laevigata A. Gray, P\. Wright. 2: 38. 1853. Not Dalea 
laevigata Mog. & Sessé; in Don;-Gen. Syst. 2: 224. 1832. — 
