Okdbb 93.— bindweeds. 267 



1. QUAM'OOLIT. Cypress Vine. 



1 Q. vuIga'riB. True 0. Leaves peotinate-pinnatifid. Fls. scarlet, crimson, &o. S. 



2 Q. coccinea. JSntire-I/o. G. Lvs. undiTided, 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. maororhi'za. - Wild Potato. Peduncle l-o-flower,ed, shorter than the lobed or 



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

 8 B. ed'nlis. Sweet Potato. Peduncle 8-5-flowered, shorter than the palmate or 

 ped||6-lobed leaf. Flowers showy, rose-purple." t 



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



1 P. pnrpu'rea. Common M. Leaves entire, cordate. Peduncle 2-5-flowered. + 



2 P. Nil. Ijidigo M, Lvs. 8-lobed, cordate. Ped. 1-8-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 aU trailing or climbing herbs, chiefly at the South. "We mention but 

 one species. 



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

 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. OONVOL'VULUS. Bindweed. 



1 0. anren'sis. Field JB. Leaves sagittate. Fls. white, with a tinge of red, small. 



2 0. tri'color. Trircolored B. Leaves lauce-obovate. Fls. yellow, white, blue, t 



6. OALTSTE'GIA. Bracted Bindweed. 



1 O. 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 0.. Sepinm. Bntlatid Beauty. Stein twining, long. Ltaves cordate-sagittate 



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



3 O. Oatesbeia'nns. Gatesby'sB. Plant downy, twining. Flowers purple. S. 



