302 
and tinged with greenish-yellow: stamens included, with glabrous filaments.— 
Southwestern border of Texas, 
3. L. Carolinianum Walt. Glabrous: leaves fleshy, linear-spatulate or so thick- 
ened as to be clavate, 2.5 em. or less long: pedicels slender: flower 4 or S-merous: 
calyx short, irregularly cleft in age: corolla purple, with short tube (2 to 4 mm. 
long) and almost rotate limb deeply parted into oval lobes (nearly 12 mm. broad): 
slender filaments (woolly at base) and style elongated,—Salt marshes, near the 
coast and through southern Texas. 
4. L. Berlandieri Dunal. Glabrous throughout: leaves spatulate-linear, 12 to 
25mm. long: pedicels filiform, as long as the commonly 4-merous rather short. fun- 
nelform corolla (white, cream-color, or tinged with violet), which is 6 to 8 mm. long, 
mostly thrice the length of the campanulate calyx which nearly includes its narrow 
proper tube: stamens little if at all exserted; filaments villous at base.—Southern 
and western ‘Texas, 
5. L. Torreyi Gray. Glabrous throughout: leaves linear-spatulate or broader, 
sometimes over 2.5 em. long and over 4 mm, wide: pedicels 4 to 6 mm, long: corolla 
10 to 12 mm. long, tubular-funnelform, white, cream-color, or tinged with violet; 
jimb about 8 mm, wide, and lobes tomentulose on the edges: stamens little if at all 
exserted; filaments woolly at base, (1. barbinode Torr, Mex, Bound,)—Western 
border of Texas, near E1 Paso. 
8. DATURA L,  (StRaAMONIUM. THORN-APPLE. ) 
Rank narcotic-poisonous weeds, with ovate leaves, large showy flow- 
ers on Short peduncles in the forks of the branching stem, prismatic or 
tubular 5-toothed calyx separating transversely above the base in fruit, 
funnelform corolla with a large and spreading 5 or 10-toothed plaited 
border, 2-lipped stigma, globular prickly 4-valved 2-celled pod with 2 
thick placentie projected from the axis into the middle of the cells, and 
‘ather large flat seeds. 
1. D. quercifolia HBK. Green, and young parts commonly somewhat pubescent: 
leaves sparingly but mostly deeply sinuate-pinnatifid: calyx prismatic: corolla pale 
violet, about 7.5 em, long: pod armed with large and unequal flattened prickles, 
some of the upper not rarely 2.5 cm. long, strictly erect: seeds thickish, with a dark- 
colored and more or less pitted or rugose coat.—Naturalized from Mexico on south- 
western borders of Texas. 
2. D. meteloides DC, Pruinose-glaucescent with minute puberulence or pubes- 
cence: leaves unequally ovate, merely repand or nearly entire: calyx cylindrical, 
about 7.5 em. long: corolla white suffused with violet, sweet-scented, 17.5 to 20 em, 
long when well developed: pod thickly murieate with short and equal prickles, nod- 
ding on short recurved peduncle: seeds flatter, with pale smoothish coat.—Along 
streams, southern and western Texas, 
9. CESTRUM L. 
Shrubs or low trees, with entire short-petioled pinnately veined 
leaves, variously clustered flowers on axillary peduncles or forming a 
terminal panicle or corymb, narrowly tubular-funnelform or clavate 
orolla, filiform filaments with anthers short and explanate after dehis- 
cence, usually short-stipitate few-ovuled ovary, fruit a rather dry glob- 
ular reddish or blackish berry, and few seeds or by abortion solitary. 
1. C. diurnum L.  Glabrous: leaves oblong, very bright green above: tlowers ses- 
sile in a short close cluster on an axillary peduncle: corolla white, enlarging very 
