KEY FOR JUNE TO NOVEMBER 



326 a Racemes 3-6-flowered; flowers about Vi in. long 



Baptlsia. p 174 

 b Racemes several-flowered; flowers less than % in. long; 



plants fragrant Melilotus. p 175 



327 a Leaflets with entire margins 328 



b Leaflets with finely-toothed margins 329 



328 a Leaflets very hairy beneath Lespedeza. p 17$ 



b Leaflets not very hairy beneath Stylosanthes. p 175 



329 a Stipules toothed at the base; pods spirally coiled 



Medicago. p 775 

 b Stipules not toothed at the base; pods not coiled 



Trifolium. p 175 



330 a When broken plants exude a colored juice 331 



b When broken plants do not exude a colored juice .... 333 



331 a Plant with spiny-toothed leaves Argemone. p 155 



b Plants not with spiny-toothed leaves ,-332 



332 a Flowers i in. or more broad Glaucium. p 755 



b Flowers % in. or less broad Chelidonium. p 155 



333 a Perianth 3 or 6 parted, usually undifferentiated ; stamens 



3 or 6 334 



b Flowers not completely as in a 345 



334 a Flowers with perianth 2 in. or more long 335 



b Flowers with perianth less than 2 in. long 336 



335 a Leaves all basal Hemerocallis. p 133 



b Stem leaves present Lilium. p 134 



336 a Flowers numerous, small, collected into a dense, ovoid, 



terminal head Xyris. p 132 



b Flowers not collected into a head as in a 337 



337 a Leaves in i or 2 whorls on an upright stem.Medeola. P 136 

 b Leaves not arranged completely as in a 338 



338 a Herbs or vines with tendrils Smilax. p 136 



b Herbs or vines not with tendrils 339 



339 a Twining vines with net- veined leaves Dioscorea. p 137 



b Erect herbs, not vines 340 



340 a Flowers mottled with crimson-purple spots ; flowers 1-2 



in. broad Gemmingia. p 138 



b Flowers not completely as in a 341 



341 a Flowers borne in the axils of the leaves. . .Uvularia. P 133 

 b Flowers borne in umbels or panicles 342 



342 a Leaves mostly basal ; flowers in umbels 343 



b Stem leaves present; flowers in panicles 344 



343 a Leaves rather ovate; flowers pendulous. .. .Clintonia. p 135 

 b Leaves linear, grass-like; flowers erect. .. .Hyp oxis. p 136 



344 a Stamens 6; flowers Vz in. or more broad. Melanthium. p 133 

 b Stamens 3 ; flowers less than % in. broad . . Gyrotheca. p 136 



47 



