[Vol. 8 
158 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
stone barrens, Table Mountain, region of Port au Port Bay, 
Aug. 16, 1910, Fernald & Wiegand 3465 (Rky. Mt. Herb. and 
Mo. Bot. Gard. Herb.). 
12. L. argyraea (Gray) Wats. Proc. Am. Acad. 23:254. 1888; 
Coulter, Contr. U. S. Nat. Herb. 2: 18. 1891; Wats. in Gray, 
Syn. Fl. N. Am. 1': 120. 1895; Small, Fl. Southeastern U. S. 
471. 1903, and ed. 2, 471. 1913. 
Vesicaria argyraea Gray, Bost. Jour. Nat. Hist. (Pl. Lindh.) 
6:146. 1850; Walp. Ann. 2:39. 1851; Wats. Proc. Am. Acad. 
17: 319. 1852. 
V. recurvata Gray, Smithson. Contr. (Pl. Wright.) 5: 13. 
1853 
Alyssum argyreum Kuntze, Rev. Gen. Pl. 2: 931. 1891. 
Perennial, canescent with coarse stellae, rays few to many, 
distinct or slightly united at the base, unbranched; stems spread- 
ing, procumbent, 1-5 dm. long, usually unbranched; terminal 
bud remaining undeveloped; radical leaves entire, repand or 
lyrate, oblanceolate, 2-6 cm. long, narrowed to a slender petiole 
at the base; cauline leaves very numerous, from very narrowly 
oblanceolate to ovate, usually toothed, narrowed at the base, 
1-4 em. long; petals yellow, broadly spatulate, 6-9 mm. long; 
filaments linear; fruiting inflorescence elongated; pedicels hori- 
zontally spreading, usually more or less sigmoid by the upwardly 
curved apex, 1-2 em. long; pods erect, sessile, glabrous, globose, 
3-5 mm. in diameter; styles 2-4 mm. long, stigmas capitate; 
septum thin, nerved, areolae slightly or not at all tortuous; 
ovules 8-16 in each cell, funiculi long and slender, attached to 
septum for more than one-half their lengths; seeds small, not 
winged. 
Distribution: southwestern Texas and northeastern Mexico. 
Specimens examined: 
Texas: Llano, May 12-16, 1899, Bray 304 (U. S. Nat. Herb.) ; 
Llano County, May, 1884, Reverchon (Mo. Bot. Gard. Herb.) ; 
Llano, May, 1888, Reverchon 1489 (U. S. Nat. Herb. and Mo. 
Bot. Gard. Herb.); Jim Creek, Gillespie County, Jermy 244 
(Mo. Bot. Gard. Herb.); New Braunfels, April, 1850, Lindheimer 
670 (Mo. Bot. Gard. Herb. and U. S. Nat. Herb.); New Braun- 
fels, April, 1850, Lindheimer 367 (Mo. Bot. Gard. Herb.) ; Cuero, 
