CONVOLYULACE-ffli. 279' 



4. C. NlL, L. Blue Morning -Glory. 



Stem hairy, twining; leaves cordate, 3-lobed, the intermediate lobe dilated at the 

 base, the lateral ones shorter acute; peduncles short, 1 to 2-flowered. 



A beautiful plant indigenous in the southern parts of the State, but known as a 

 garden plant. July — Sept. Calyx hairy, the segments long-acuminate. Flowers- 

 large, the tube white and the border of a clear blue color. 



5. & purpureus, L. Common Morning- Glory. 



Twining, hairy; leaves roundish-heart-shaped, entire, pointed; peduncles elonga- 

 ted, 3 to 6-Howered; sepals ovate-lanceolate, acute; corolla funnel-form, with a 

 Spreading entire border. 



Fields and about gardens, common in cultivation. June— Sept. Stem climbing 

 8 to 2.3 feet. Flowers large, beautiful, dark-purple, violet, blue, pink, and some- 

 times nearly white. 



Sec. iv. Batatus. Stic/ma capitate, 2-lobed; ovary -i or by abortion 3 to 2-ceIied. 



G. C. Batatus, L. Sweet Potato. 



SteM creeping, rarely twining ; leaves heart-shaped, hastate, angular, 5-veined, 

 Emoothish; peduncles long; flowers fascicled; sepals lanceolate, acuminate. The 

 sweet potato is found growing wild in both Indies, and is cultivated in a!l warm 

 countries. The stem is round, hispid, prostrate, sending out scattered oblong 

 tubers which are yellowish or purplish without- Flovjsrs large purple and white. 



3. QUAMOCLIT, Tourn. Cypress-vine. 



Gr. kuamos, a bean, Jditos, dwarf; resembles the climbing bean, but smaller. 



Sepals 5, mostly mucronate. Corolla tubular-cylindri- 

 cal. Stamens exscrted. Style 1; stigma capitate, 2- 

 lobed; ovary 4-celled, cells 1 -seeded.— Twining herhs, often 

 with pinna! ijid divided, haves, and delicate white yellow orange and 

 scarlet flowers. 



1. Q. VULGARIS, Clioisy. Jasmine Bindweed. 



Leaves pinnatilid to the mid vein, Segments linear, parallel, acute; peduncles 1 to • 

 2-flowered; sepals ovate lanceolate. 



An exceeding delicate vine, common in cultivation. July, Aug. Ann. Stem 

 smooth, very slender, twining and clino bing to the height of 5 to 10 feet. Flowers 

 }(, to 2-i ' n( ' ln i' 1 diameter, scarlet varying to crimson and rose-color, sometimes 

 White. Corolla-tube slender, limb flat, 5-parted. 



2. Q. COCCINEA, Meoncb. Scarlet-flowered Morning- Glory. 



Leaves heart-shaped, acuminate, entire or angular at base; peduncles elongated, 

 about 5-flowered; calyx awued. Native of the Southern States, cultivated. July., 

 Aug. Annual. Flowers scarlet or yellowish-tinged. 



Sub-order ii. CUSCUTINEiE. The Dodder Family, 



Embryo slender, spirally coiled, entirely destitute of 

 cotyledons. — Parasitic yellowish or reddihh 2~)lants, with' 

 thread-like naked stems and minute scales in place of leaves. 



4. CUSCUTA, Tourn. Dodder. 

 Qalyx 5 (rarely 4)-cleft. Corolla globose-bell-shaped j. 



