86 MISSOURI BOTANICAL GARDEN. 
FF. Leaves oblong-ovate to oblong, narrowed or 
slightly rounded at the base, 1.5-2 cm. long, 
glabrous or appressed-setose above, sometimes 
densely pubescent on both sides; corolla 
glabrous outside or slightly hairy, 1.5-2 cm. 
long. 50. L. Semenovii, Reg. 
EE. Leaves ovate to ovate-oblong, obtusish, rounded or 
subcordate at the base, 2-3 cm. long, pubescent 
beneath, sometimes appressed setose above; 
branchlets hispid; calyx setosely ciliate; corolla 
1.5-2 cm. long, pilose or glabrous without. 
51. L. asperifolia, Hook. f. & Thoms. 
DD. Ovaries glandular and often setose, rarely glabrous; 
corolla 2-4 cm. long; leaves 4-8 cm. long. 
E. Calyx small and often obsolete; corolla 2-3.5 cm. 
long; bracts 1.5-2.5 cm. long; leaves broadly 
elliptic to oblong-ovate, pubescent or nearly 
glabrous, 4-8 cm. long. 52. L. hispida, Pall. 
EE. Calyx large, with five broad semi-orbicular lobes, per- 
sistent on the fruit, about 1 cm. across; ovaries 
setose; bracts and corolla 3-4 cm. long; leaves 
ovate-lanceolate, pubescent on both sides, 5-7 cm. 
long. 53. L. stephanocarpa, Franch. 
CC. Winter buds with several pairs of outer scales, obtuse, small; 
leaves not setosely ciliate; flowers appearing shortly before 
the leaves; corolla about 2 cm. long. 
D. Bractlets wanting. 
E. Bracts broadly ovate, rounded at the base; calyx 
cupulate with broad unequal lobes; ovaries gla- 
brous or setose and glandular; leaves ovate, 
acuminate, sparingly hirsute on both sidesor only 
beneath on the veins, 5-10 cm. long, 
54. L. strophiophora, Franch. 
EE. Bracts oblong or ovate-lanceolate, rather narrow at 
the base; calyx as in the preceding species. 
F. Ovaries glandular and setose; corolla pilose 
without; style glabrous; branches of last year 
rough with small tubercles; leaves (not fully 
developed) elliptic-ovate to oblong-ovate, 
acuminate, pubescent on both sides. 
55. L. Pekinensis, Rehd. 
FF. Ovaries glabrous; corolla nearly glabrous with- 
out; style hairy about the middle; branches 
smooth; leaves elliptic-obovate, sparingly 
pilose on both sides, 8-12 cm. long. 
56. L. Infundibulum, Franch. 
