288 
3. L. Cobrense Greene, Many-stemmed from a tap-root and a rosulate tuft of 
radical leaves, canescently strigulose or appressed-hirsute, and the spatulate lower 
leaves hispid; canline leaves linear, obtuse, short: corolla orange-yellow, 12 mm. 
high, with ample equally broad limb, and naked at base within. —Western borders of 
Texas. Wrongly referred to ZL. canescens, 
1, L. hirtum Lelm. Hispid with bristly hairs: stem-leaves lanceolate or linear, 
those of tlowering branches ovate-oblong, bristly ciliate: flowers distinctly pedun- 
cled, crowded, showy: corolla orange-yellow, woolly-bearded at base inside, limb 16 
to 24 mm. broad.—Extending from the Atlantic region through Texas. 
+ + Corolla-tube 2 to 4 times the length of the calyx, with appendages conspicuous and 
arching; lobes erose-toothed: later flowers small, cleistogamous. 
o. L. angustifolium Michx. Erect or diffusely branched from the base, minutely 
rough-strigose and hoary: leaves linear: flowers pediceled, leafy-bracted, of two 
sorts; earlier large and showy, bright vellow; the later and those of more diffusely 
branching plants with inconspicuous or small and pale corollas, without erests.— 
Dry and sterile or sandy soil, extending from the Atlantic region through Texas 
and westward, L, longiflorum Spreng. is the long-flowered form; and L. breviflorum 
Eng, & Gray PI. Lindh. the short-flowered. 
10. ONOSMODIUM Miehx. (Fase GROMWELL.) 
Coarse and hispid chiefly perennial herbs, with oblong and _ sessile 
ribbed-veined leaves, flowers (white, greenish, or yellowish) inat length 
elongated and erect leaty raceme-like clusters, 5-parted calyx with linear 
erect divisions, tubular or tubular-funnelform not crested corolla with 
5 acute converging or barely spreading lobes, oblong-linear or arrow- 
shaped mucronate anthers inserted inthe throat, filiform much exserted 
style, and bony ovoid smooth erect nutlets fixed by the base. 
1. O. Bejariense DU. Hispid with spreading bristles: stem rather stout, 3 to 9 
dm. high: leaves oblong-lanceolate, lower obtuse, upper acutish; upper surface ap- 
pressed strigose-hispid, lower more or less canescent with fine soft pubescence: flow- 
ers short-pediceled: corolla 12 to 18 nm. long, white; the lobes minutely pubescent 
outside and with some long hirsute hairs, about one- -fourth the length of the tube. 
(O. Carolinianum Torr, Mex. Bound., not DC.)—Border of thickets, nearly through- 
out Texas, 
2. O. Carolinianum DC. Shaggy all over with long and spreading bristly hairs: 
stem stout, upright, 6 to 12 dm. high: leaves ovate-lanceolate or oblong-l mceolate, 
acute, generally hairy both sides: flowers nearly sessile: corolla 8 to 10 mm. long, 
yellowish-white; the lobes thickly hirsute outside.—Alluvial grounds, extending 
from the Atlantic region to western Texas, along with var, MOLLE Gray, with shorter 
and less spreading or appressed pubescence, mostly smaller leaves (5 cm, long) when 
young softly strigose-canescent beneath. (0. molle Michx.) 
CONVOLVULACEZ. (CONVOLVULUS FAMILY.) 
Chiefly twining or trailing herbs, with alternate leaves (or scales) and 
regular 5-androus tlowers, 5-plaited or 5-lobed corolla, 2 (rarely 3)- celled 
ovary (in one tribe 2 separate pistils) with a pair of erect ovules in 
each cell (cells sometimes doubled by false partitions), and fruit a glob- 
ular 2 to 6-seeded pod. 
*Carpels 2 or 4, distinct or nearly so: styles 2, basilar: creeping herbs. 
1. Dichondra. Corolla deeply 5-cleft: pistils two, 4-seeded, 
