Ordeu 90.— bindweeds. 267 



1. QUAM'OCLIT. Cypress Vine. 



1 Q. vulga'ris. True C. Leaves pectinate-piniiatifiJ. Fls. scarlet, crimson, &c. S. 



2 Q. coccinea. Entive-lv. C. Lvs, undivided, cordate, acuminate. Crimson. W.S. 



2. BATATAS. Sweet Potato. 



1 B. littora'lis. Sea-side B. Peduncle 1-flowered, as long as the sinuate, cordate 



leaf. S. 



2 B. macrorhi'za. Wild Potato. Peduncle 1-5-fowered, shorter than the lobed or 



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

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

 pedute-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. f 



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



4. IPOM^'A. False Bindweed. 



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

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

 one species. 



I. pan'durata. Wild Potato. Leaves broadly cordate, often fiddle-shaped (panduri- 

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

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



5. CONVOL'VULUS. Bindweed. 



1 O, arven'sis. FitldB. Leaves sagittate. Fls. white, with a tinge of red, small. 



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



6. CALYSTE'GIA. Bracted Bindweed. 



1 C. spithamae'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 Beauty. Stem twining, long. Leaves cordate-sagittate 



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

 aC Catesbeia'nus. CateshifsB. Plant downy, twining. Flowers purple. S. 



