[Vol. 8 
150 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
tions. The range of the present species seems to be consistently 
west and south of that of L. auriculata. 
7. L. densiflora (Gray) Wats. Proc. Am. Acad. 23: 251. 1888; 
Coulter, Contr. U. S. Nat. Herb. 2:17. 1891; Wats. in Gray, 
Syn. Fl. N. Am. 1°: 120. 1895; Small, Fl. Southeastern U. S. 
469. 1903, ed. 2, 469. 1913. 
Vesicaria densiflora Gray, Bost. Jour. Nat. Hist. (Pl. Lindh.) 
6: 145. 1850; Walp. Ann. 2: 188. 1851; Gray, Smithson. 
Contr. (Pl. Wright.) 3: 10. 1852. 
Alyssum densiflorum Kuntze, Rev. Gen. Pl. 2: 931. 1891. 
Annual or biennial; cinerous throughout with rather loose 
stellae; stellae few-rayed with deep U-shaped fork on one side, 
rays distinet, long; stems several to many from the base, de- 
cumbent to erect, 1-5 dm. long, simple or branched; terminal 
bud producing a fertile stem; radical leaves 
oblanceolate, dentate or lyrately pinnatifid, 
3-7 em. long; cauline leaves numerous, ob- 
E usually shallowly toothed, nar- 
rowed at the base, 1.5-3 em. long; petals 
va narrowed to a slender claw, about 7 
mm. long, filaments gradually dilated at the 
base; fruiting inflorescence short, crowded; 
pedicels straight, ascending or the lower al- 
most horizontal, usually a little less than 
xii o of L. 1cm. long; pods erect, substipitate, globose, 
glabrous, 3-5 mm. in diameter; styles 
slender, 4-5 mm. long; stigmas capitate; septum thin, nerved, 
areolae slightly tortuous; ovules 5-10 in each cell, funiculi long 
and slender, attached to septum for about three-fourths their 
lengths; seeds neither margined nor winged. 
Distribution: in a narrow area extending north and south 
across central Texas from Hood to Victoria counties. 
Specimens examined: 
Texas: 1892, Nealley (U. S. Nat. Herb.); sands, Falls Creek, 
Hood County, April, 1885, Reverchon (U. S. Nat. Herb. and Mo. 
Bot. Gard. Herb.); Comanche Peak near Granbury, May 5, 
1900, Eggert (Mo. Bot. Gard. Herb.); rocky prairie, near Gran- 
bury, May 6, 1900, Eggert (Mo. Bot. Gard. Herb.); rocky up- 
denes ro. 
