KEY FOR JUNE TO NOVEMBER 



467 a Style thread-like, much longer than the corolla tube; 



corolla lobes erect Onosmodium. 



b Styles not as in a; corolla lobes spreading 468 



468 a Flowers in racemes 469 



b Flowers in umbels or panicles 470 



469 a Racemes with numerous, leafy bracts. .Lithospermum. p 203 

 b Racemes not with numerous, leafy bracts. .Myosotis. p 203 



470 a Flowers in panicles; stamens opposite the corolla lobes 



Samolus. p 197 

 b Flowers in umbels 471 



471 a Calyx lobes present; stamens alternate with the corolla 



lobes Solanum. p 208 



b No green calyx present; stamens opposite the perianth 



lobes Comandra. p 14.5 



472 a Leaves pinnately compound 473 



b Leaves simple with entire, toothed, or lobed margins. . 475 



473 a Flowers not in panicles Solanum. p 208 



b Flowers in panicles 474 



474 a Climbing vines Adlumia. p 755 



b Erect plants Polemonium. p 202 



475 a Climbing or trailing vines 476 



b Erect herbs 478 



476 a Flowers about Vz in. broad with 2 greenish spots at the 



base of each corolla lobe Solanum dulcamara, p 209 



b Flowers i in. or more broad 477 



477 a Leaves usually heart-shaped at base; stigma globose 



Ipomoea. p 201 

 b Leaves not usually heart-shaped at base; stigma 2-lobed 



Convolvulus, p 201 



478 a Flowers 3-7 in. long; ovary often covered with prickles 



Datura, p 209 

 b Flowers 2 in. or less long; ovary not covered with 



prickles 479 



479 a Stamens covered with long, violet hairs 



Verbascum blattaria. p 210 



b Stamens not covered with violet hairs 480 



480 a Flowers 1-2 in. broad 481 



b Flowers i in. or less broad 482 



481 a Leaves with entire margins Petunia, p 210 



b Leaves with lobed or toothed margins . . . .Physalodes. p 210 



482 a Corolla tube with 5 scales at its opening opposite the 



lobes 483 



b Corolla tube not with scales at its opening 485 



483 a Anthers united into a cone about the style. . . .Borago. p 203 

 b Anthers not united into a cone about the style 484 



55 



