[Vol. 8 
196 . ANNALS OF THE MISSOURI BOTANICAL GARDEN 
petals about 4 mm. long, broadly unguiculate, not enlarged at 
the base; filaments dilated at base; fruiting inflorescence elon- 
gated; pedicels ascending-divergent, about twice as long as the 
pods; pods erect, sessile, orbicular or slightly longer than broad, 
3-5 mm. in diameter, strongly flattened parallel to the parti- 
tion, valves slightly arched, hirsute with simple or sparingly 
branched hairs having conspicuously enlarged bases, small, 
stellate hairs sparingly intermixed; short midvein evident at 
base of valves; styles 1-2 mm. long; stigmas capitate; septum 
dense, nerved from apex over half way to base, areolae tortuous; 
ovules 3-5 in each cell, funiculi attached to septum only at the 
base; seeds flat, narrowly winged. 
Distribution: in the vicinity of Nashville, Tennessee. 
Specimens examined: 
Tennessee: Nashville, 1855, Lesquereux (Mo. Bot. Gard. 
Herb.); “raised from seed sent me from Edgefield Junction," 
1871, Porter (Mo. Bot. Gard. Herb.); hills around Nashville, 
April and May, 1879, Gattinger (U. S. Nat. Herb. and Mo. Bot. 
Gard. Herb.); Nashville, May, 1879, Gattinger (U. S. Nat. Herb. 
and Mo. Bot. Gard. Herb.); near Nashville, June, 1880, Hub- 
bard 185 (U. S. Nat. Herb. and Mo. Bot. Gard. Herb.) ; Nash- 
ville, 1896, Barnes, (U. S. Nat. Herb.); west Nashville, May 
26-27, 1909, Eggleston 4419 (U. S. Nat. Herb. and Mo. Bot. 
Gard. Herb.). 
A species of restricted range more or less anomalous in Les- 
querella because of the strongly flattened pods and the septum 
which is quite different from that in most other species of the 
genus. Characters shown by this species—for example, auricu- 
late stem-leaves, dilated filament-bases, and winged seeds— 
indicate its relationship to the more primitive species of the 
other sections, although they are not found in the majority of 
the species of the genus. It exhibits the characteristic median 
nerve of the septum found throughout the group. "The dense sep- 
tum is not greatly unlike that of some representatives of the 
section Eulesquerella. There remains, then, no character to 
keep this plant out of the genus Lesquerella except the pod 
flattened parallel to the septum, and it were much better to 
retain it with its relatives than to erect a monotypic genus on this 
character alone. 
