KEY TO CULTIVATED HERBS AND POTTED SHRUBS 



15 a Plant cultivated for the edible, channeled petioles 



of the basal leaves Apium. p 193 



b Plants not cultivated for the petioles as in a 16 



16 a Plant cultivated for the leaves; leaflets often crisp 



Petroselinum. p 193 

 b Plants cultivated for the fleshy roots; leaflets not crisp.. 17 



17 a Root white; leaflets ovate to oblong Pastinaca. p 193 



b Root orange or red; leaflets lanceolate or linear 



Daucus. p 193 



18 a Leaves compound with 3 leaflets 19 



b Leaves not completely as in a 24 



19 a Leaves all basal; leaflets rather coarsely and regularly 



toothed; flowers regular Fragaria chiloensis. p 164. 



b Leaves not all basal; flowers irregular 20 



20 a Plants cultivated for the edible seed Phaseolus. p 176 



b Plants cultivated for forage, not for the seed 21 



21 a Leaflets broadly notched at apex Trifolium. p 175 



b Leaflets usually pointed at apex, not broadly notched. . 22 



22 a Flowers %-i in. long, 2-4 together on a long stalk 



Vigna. p 174. 

 b Flowers not completely as in a 23 



23 a Leaflets usually i in. or less long, oblanceolate to oblong 



Medicago sativa. p 175 

 b Leaflets 1-3 in. long, broadly ovate Glycine. p 177 



24 a Leaflets 4; plant prostrate Arachis. p 174. 



b Plants not completely as in a 25 



25 a Leaves usually with 5 shallow, rounded lobes; plant 



cultivated South for "cotton," in pots in the North 



Gossypium. p 185 

 b Plants not completely as in -a 26 



26 a Plant strong-scented, cultivated for its fleshy fruit 



Lycopersicon. p 208 

 b Plants not completely as in a 27 



27 a Plant commonly cultivated for the underground tubers 



for food Solanum tuberosum. p 209 



b Plant sparingly cultivated for the medicinal, enlarged 



roots Panax quinquefolium. p 191 



c Plants not cultivated for the underground tubers or roots 28 



28 a Leaves hairy, aromatic, i-3-pinnately divided 



Artemisia, p 238 

 b Leaves not completely as in a 29 



29 a Plant growing in water Roripa nasturtium, p 158 



b Plants not growing in water 30 



30 a Flowers white or pink, appearing the first season. ... 31 

 b Flowers yellow, sometimee appearing only the second 



season 32 



82 



