Jpoma:a?[ 



Convolvulacece. 



21 I 



fil. long, equal {Caionycfwn). 



I. GRANDIFLORA. 

 I. JUCUNDA. 



I. WiGHTII. 

 I. BRACTEATA. 



I. Pes-tigridis. 



I. ERIOCARPA. 



Ov. 2-celIed. 



Cor.-tube over 2 in 



Seeds glabrous 4. I. Bona-nox. 



Seeds hairy. 



Hair short, velvety, with a fringe of long hair 



Hair all very long, silky .... 



Cor.-tube under 2 in.; fil. short, usually unequal. 



Seeds with a marginal ring of scaly hair ; fl. 



solitary {Aniseid) 7. I. UNIFLORA. 



Seeds glabrous or hairy, fl. in cymes (often 

 reduced to i). 

 Cymes capitulate with persistent bracts. 

 Peduncle long. 



L. cordate-ovate (slightly lobed in 9). 



Outer bracts very large, connate . 8. I. pileata. 

 Outer bracts not connate. 



L. white beneath . . . • 9- 



L. not white 10. 



L. palmately 5-9-fid . . . .11. 



Peduncle very short 12. 



Cymes not capitulate, bracts usually deciduous. 

 L. simple. 



L. more or less cordate, usually entire. 

 Fl. yellow. 



Not twining; seeds glabrous. 

 L. linear, hastate at base . 

 L. obovate-oblong with toothed 

 auricles .... 



L. reniform 



Twining, seeds pubescent 

 Fl. white or purple, or both. 

 Seeds hairy or pubescent. 

 Twining. 



Cymes many-flowered. 

 Fl. I in. diam. 

 Fl. 2 in. diam 

 Cymes few-flowered. 

 Fl. i^ in. diam. 

 Fl. 4-8 in cyme 

 Fl. 2 in cyme or solitary . 

 Fl. 3^ in. diam. . 

 Not twining .... 

 Seeds glabrous. 



Not twining .... 

 Twining; fl. white 

 Twining; fl. purple . 

 L. deeply bilobed; fl. purple 

 L. palmately 5 or 7-lobed ; fl. yellow . 

 L. compound or very nearly so. 

 L. palmate, with 5 Iflts. 

 L. deeply pinnatisect, basal segm. pe- 

 date 29. 



13. I. angustifolia. 



19. 



20. 



21. 



22, 



23- 



24. 

 25. 

 26. 

 27. 



28. 



I. TRIDENTATA. 

 I. RENIFORMIS. 

 I. CHRYSEIDES. 



I. STAPHYLINA. 

 I. CYMOSA. 



I. SEPIARIA. 



I. OBSCURA. 



I. CAMPANULATA. 



I. AQUATICA. 



I, REPENS. 



I. DENTICULATA. 



I. TURPETHUM. 



I. BILOBA. 



I. VITIFOLIA. 



I. PALM ATA. 



I, DASYSPERMA. 



