CONVOLVULACEAE. 153 



form; tube elongate, not dilated at the throat. Capsules large, longer than 

 broad. MOON-FLOWER. 



Outer sepals horned : leaf-blades thin-textured. 1. C. aculeatum. 



Outer sepals obtuse : leaf-blades thick-textured. 2. C. tuba. 



1. 0. aculeatum (L.) House. Leaf -blades ovate, 5-15 cm. long, entire or has- 

 tately 3-5-lobed: calyx-lobes about 1 cm. long: corolla-tube slender, 10-12 cm. 

 long; limb 10-13 cm. broad. Hammocks. F. K. (Bah., Cuba, Ant.) 



2. C. tuba (Schlecht.) Colla. Leaf -blades ovate, acute, entire, cordate, 10-15 

 cm. long: calyx-lobes unequal, greenish, 2-2.5 cm. long: corolla-tube 10-14 cm. 

 long; limb 8-10 cm. broad. Coastal hammocks. F. K. (Bah., Cuba, Ant.) 



7. QUAMOCLIT Moench. Twining vines. Leaf-blades entire, lobed, or 

 divided. Flowers in axillary cymes or solitary. Calyx-lobes equal or nearly 

 so. Corolla scarlet, orange, or white, salverform: tube narrowly funnelform: 

 limb spreading, shorter than the tube. Capsules small. 



Leaf-blades parted Into narrow segments : sepals obtuse or mucronate. 



1. Q. Qu-nmnclit. 

 Leaf-blades entire or merely lobed : sepals arlstately awned. 2. Q. coccinea. 



1. Q. Quamoclit (L.) Britton. Leaf -blades 2-10 cm. long; segments narrowly 

 linear: corolla-tube club-shaped, 2.5-3 cm. long; lobes ovate or triangular. 

 Pinelands and waste places. Nat. of Trop. Am., and cultivated. (Bah., 

 Cuba, Ant.) CYPRESS-VINE. 



2. Q. coccinea (L.) Moench. Leaf -blades ovate, 3-10 cm. long, acuminate, 

 angled or entire: corolla-tube 2-4 cm. long; limb cup-like, 1.5-2 cm. broad. 

 Pinelands and cultivated grounds. Nat. of Trop. Am., and cultivated. (Bah., 

 Cuba, Ant.) BED MORNING-GLORY. 



8. EXOGONIUM Choisy. Creeping, trailing or twining vines. Leaf- 

 blades entire, lobed, or divided, rarely cordate. Flowers in axillary cymes or 

 solitary. Calyx-lobes leathery, unequal, obtuse. Corolla salverform, scarlet or 

 white. Capsule thick-walled, 4-seeded. 



1. E. microdactylum Choisy. Leaf-blades oblong, acute, thickish, obtuse at 

 base, entire or lobed, 3-8 cm. long: corolla crimson or scarlet; tube 4-5 cm. 

 long; limb 4-5 cm. broad, slightly 5-lobed: capsules longer than the calyx. 

 Pinelands. (Bali., Cuba.) 



9. JACQUEMONTIA Choisy. Trailing or twining vines or upright shrubs 

 or herbs. Leaf-blades entire or rarely toothed or lobed. Flowers in loose 

 cymes without conspicuous bracts, or solitary. Calyx-lobes equal or unequal. 

 Corolla white, blue, or violet, funnelform or rotate-f unnelf orm : limb plaited. 

 Capsule subglobose, 4-valved or sub-8-valved. 



Leaves herbaceous : calyx becoming 4-5 mm. long : pedicels commonly longer than 

 the peduncles : corolla-lobes rounded. 1. J. Curtissii. 



Leaves fleshy : calyx becoming 2-3 mm. long : pedicels commonly 



shorter than the peduncles : corolla-lobes obtuse. 2. J. reclinata. 



1. J. Curtissii Peter. Stems prostrate or spreading, glabrous or slightly cob- 

 webby-pubescent, 2-9 dm. long: leaf -blades oblong or oblong-spatulate, 1-2 

 cm. long, obtuse or abruptly pointed, slightly revolute: calyx-lobes orbicular- 

 ovate or oval: corolla whitish or violet, 2.5-3 cm. broad: capsules 5-6 mm. 

 long. Pinelands. 



2. J. reclinata House. Stems tomentulose or glabrate, prostrate, reclining, or 

 ascending, woody below, often 1-2.5 m. long; leaf-blades oblong to ovate- 



