184 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
Bay, Nueces County, March 21, 1894, Heller 1478 (U. S. Nat. 
Herb. and Mo. Bot. Gard. Herb.). 
L. Lindheimeri, from an examination of the type collection, 
seems unquestionably different from any other species of this 
genus. The failure of other collectors in this same region to 
get this species again, however, makes its position rather doubt- 
ful. The collection by Heller from Corpus Christi is scarcely 
typical but nearer the species than to L. Gordonii and so helps 
somewhat to confirm L. Lindheimeri. The present species is 
likely to be confused with L. gracilis or L. Gordonii. From the 
former the horizontally spreading and sigmoid pedicels separate 
it and from the latter it may be distinguished by the longer 
stipe and the more conspicuously pinnatifid leaves. In the 
type collection the stellae are remote on the upper surface of 
the leaves and closely overlapping on the lower. They resemble 
those of L. gracilis much more than those of L. Gordonii. 
26. L. gracilis (Hook.) Wats. Proc. Am. Acad. 23:253. 1888; 
Coulter, Contr. U. S. Nat. Herb. 2:18. 1891; Wats. in Gray, 
Syn. Fl. N. Am. 1': 119. 1895; Robinson & Fernald in Gray, 
Manual, ed. 7, 424. 1908; Britton & Brown, Ill. Fl. 2: 137. 
1897, and ed. 2, 2: 155. 1913. 
Vesicaria gracilis Hook. Bot. Mag. N. S. 10: t. 3533. 1836; 
Walp. Rep. 1: 141. 1842; Dietr. Syn. Pl. 3: 638. 1843 ; Gray, 
Bost. Jour. Nat. Hist. (Pl. Lindh.) 6: 148. 1850; Walp. Ann. 
2:38. 1851. 
V. polyantha Schlecht. Bot. Zeit. 11: 619. 1853. 
Alyssum gracile Kuntze, Rev. Gen. Pl. 2: 931. 1891. 
Lesquerella polyantha Small, Fl. Southeastern U. S. 471. 1903, 
and ed. 2, 471. 1913. 
Annual, pubescence stellate, stellae often scarcely contiguous, 
small, rays numerous, distinct or irregularly coherent; stems 
many, slender, erect or decumbent, 3-5 dm. long, often branch- 
ing; terminal bud developing a fertile stem; radical leaves nar- 
rowly oblanceolate, 3-8 cm. long, from nearly entire to coarsely 
lyrate; cauline leaves from linear and entire to oblanceolate and 
repandly dentate, narrowed at the base, 1—4.5 cm. long; petals 
yellow, broadly spatulate, about 7 mm. long; filaments linear, 
