ORDER 93. BINDWEEDS. 281 



1. QUAM'OCLIT. Cypress Vine. 



1 Q vuiga'ris. True 0. Leaves pectinate-pinnatifid. Fls. scarlet, crimson, &c. S. 

 I 3 coccinea Zntire-lv. 0. Lvs. undivided, cordate, acuminate. Crimson W S. 



2. BATATAS. Sweet Potato. 



B. littora'iis. Sea-side B. Peduncle 1-flowered, as long as the sinuate, cordatt 



leaf. S. 

 B. macrorhi'za. Wild Potato. Peduncle 1-5-f <nvered, shorter than the lobed or 



entire leaf, which is downy beneath. Flowers purplish-white. S. 

 B ed'ulis. Sweet Potato. Peduncle 3-5-flowered, shorter than the palmate or 



pedate-lobed leaf. Flowers showy, rose-purple, t 



3. PHAR'BITIS. Morning-glory. (Fig. 22.) 



1 P. purpu'rea. Common M. Leaves entire, cordate. Peduncle 2-5-flowered. t 



2 P. Nil. Indigo M. Lvs. 3-lobed, cordate. Ped. 1-3-flwd. Sepals long. M. S. t 



4. IPOM^E'A. False Bindweed. 



A large genus. Some of its tropical species are shrubs and trees ; and 

 are all trailing or climbing herbs, chiefly at the South. We mention but 

 one species. 



.. pan'dnrata. Wild Potato. Leaves broadly cordate, often fiddle-shaped (pandnri- 

 form). Corolla large (near 3' long), 4 times longer than the calyx, white, with 

 a purple centre. Eoot very large. Sandy fields, West and South. 



5. COXVOL'VULUS. Bindweed. 



1 C. arveu'sis. Field B. Leaves sagittate. Fls. white, with a tinge of red, small. 



2 O. tri'color. Tri-colored B. Leaves lance-obovate. Fls. yellow, white, blue, t 



6. OALYSTE'GIA. Bracted Bindweed. 



1 C. spithamEe'us. Erect B. Stem ascending, 8-10\a span). Leaves lance-oblong 



Peduncle as long as the leaves, bearing 1 large, white flower. Fields. 



2 C. Sepium.> Rutland Beautu. Stem twining, long. Leaves cordate- sagittate 



Flowers numerous, large, white, sometimes double in cultivation. 

 B C Catesbeia'nus. Catesby's B. Plant downy, twining. Flowers purple. S. 



