50 MISSOURI BOTANICAL GARDEN. 
CC. Bractlets wholly connate into a glabrous cupula tightly en- 
closing the ovaries and growing with them intoa blue fruit; 
corolla whitish with subregular limb; winter buds with 
two outer scales. 4. Subsect. COERULEAE (sp. 28). 
BB. Corolla distinctly two-lipped, the upper lip upright with short 
broad lobes; bractlets connate into a 4-lobed cupula, half as 
high as the ovaries; fruit red, with 2-4 smooth, about 6 mm. 
long seeds. 5. Subsect. CERASINAE (sp. 29). 
AA. Ovaries 3-loculed; corolla with 2-lipped or subregular limb (and 
then the ovaries distinct). 
B. Bractlets wholly connate into a cupula enclosing the distinct 
ovaries; fruit red. 
C. Calyx with a cap-like emergence at the base, extending 
downward and covering the margin of the cupula; bracts 
generally subulate; corolla small, subregular or indis- 
tinctly 2-lipped, usually tinged reddish; leaves narrowed 
at the base; winter buds small with several pairs of outer 
scales. 6. Subsect. PILEATAE (sp. 80-32). 
CC. Calyx without cap-like emergence; corolla distinctly 2- 
lipped, yellowish, 1.5-2 cm. long; bracts generally leaf - 
like, large; winter buds with two pairs of outer scales; 
petioles sometimes with stipular appendages, 
D. Cupula connate with the base of the calyx and growing 
with the ovaries into a rather dry fruit; corolla with 
recurved and setose hairs. 
7. Subsect, VESICARIAE (sp. 33-34). 
DD. Cupula not connate with the calyx; ovaries outgrowing 
the cupulaand becoming bright red; corolla soft-pubes- 
cent. 8. Subsect. CHLAMyDOCARPI (sp. 35-37). 
BB. Bractlets only partly connate, rarely as high as ovaries, some - 
times distinct or wanting. 
C. Branches terminated by two axillary winter buds, only 
occasionally the terminal bud developed; accessory buds 
wanting; bractlets small or wanting; corolla white or 
yellowish-white; plant often setosely hispid. 
D. Ovaries connate about one-half or more; bracts narrow; 
bractlets small, often indistinct; corolla 2-lipped ; 
winter buds large with two outer bud scales; fruit 
scarlet. 9. Subsect. FRAGRANTISSIMAE (sp. 38-41), 
DD. Ovaries distinct; bracts usually large and enveloping 
the ovaries; bractlets wanting (except in L. Elisae) ; 
corolla subregular or 2-lipped; winter buds with two 
or more outer bud scales; fruit scarlet (or blue ? in 
L.cyanocarpa). 10. Subsect. BRACTEATAE (sp. 42-57). 
CC. Branches with terminal buds; several outer bud scales; 
accessory buds often present; bractlets present (often 
indistinct or caducous in Z. oblongifolia and conjugialis), 
