KEY FOR JUNE TO NOVEMBER 



362 a Sepals 2; herbs fleshy, prostrate Portulaca. p 149 



b Sepals usually 5 363 



363 a Ovary inferior; flowers about V in. broad, arranged 



in umbels 364 



b Ovary superior; flowers not completely as in a 370 



364 a All of the leaves at the summit of the stem. .Panax. p 191 

 b All of the leaves not at the summit of the stem 365 



365 a Leaves simple, not divided, clasping at the base 



Bupleurum. p 193 

 b All or some of the leaves pinnately divided 366 



366 a Leaves finely dissected into linear segments; fruit linear- 



oblong Foeniculum. p 193 



b Leaves not finely dissected into linear segments 367 



367 a Fruit or ovary covered with bristles Sanicula. P 192 



b Fruit or ovary not covered with bristles 368 



368 a Basal leaves very large, much divided; ovary or fruit 



much flattened Pastinaca. p 193 



b Plants not completely as in a 369 



369 a Fruit or ovary conspicuously winged, not flattened 



Thaspium. p 193 

 b Fruit or ovary not winged, somewhat flattened. Zizia. p 193 



370 a Calyx tube with a ring of hooked hairs on the outside 



Agrimonia. p 166 

 b Calyx tube not as in a 371 



371 a Flowers with 4-15 stamens 372 



b Flowers with 20 or more stamens 380 



372 a Leaves 3-foliolate, each leaflet inversely heart-shaped 



Oxalis. p 178 

 b Leaves not completely as in a 373 



373 a Leaves reduced to awl-shaped scales Sarothra. p 186 



b Leaves not reduced to awl-shaped scales 374 



374 a Leaves compound 375 



b Leaves simple 376 



375 a Petals 6 Reseda, p 160 



b Petals 5 Cassia, p 170 



376 a Leaves thick and fleshy Sedum. p 160 



b Leaves thin 377 



377 a Leaves i in. or less long, lanceolate to oblanceolate 



Linum. p 178 

 b Leaves not completely as in a 378 



378 a Stamens 5, alternating with 5 sterile stamens 



Steironema. p 198 

 b Stamens 5-7, the sterile stamens wanting or scale-like. . 379 



379 a Corolla lobes linear; flowers in dense oblong heads 



Naumbergia. p 198 

 b Corolla lobes not linear; flowers not completely as in a 



Lysimachia. p 197 



4 49 



