KEY TO CULTIVATED HERBS AND POTTED SHRUBS 



61 a Leaves 1-3 in. long, ovate; flowers not in heads; plant 



cultivated for the edible fruit 



Solanum melongena. p 208 

 b Leaves 2-12 in. long, lanceolate; flowers in oblong 



heads ; fruit not edible Dipsacus fullonum. p 216 



62 a Trailing vines with tendrils Cucurbita. p 217 



b Plants not as in a 63 



63 a Leaves aromatic, 2 in. or less long, usually lanceolate 



to linear; plants cultivated for the leaves 64 



b Leaves not aromatic; plants not completely as in a. . 69 



64 a Fertile stamens 2 ; leaves hoary ; plants often somewhat 



shrubby Salvia. p 206 



b Fertile stamens 4 65 



65 a Leaves coarsely toothed Melissa, p 207 



b Leaves with entire margins 66 



66 a Calyx hairy on the inside, unequally 5-toothed 67 



b Calyx not hairy on the inside 68 



67 a Flowers ^4 in. or less long Thymus. p 207 



b Flowers about Vz in. long Origanum, p 207 



68 a Flowers blue; calyx is-nerved; plant only slightly 



hairy Hyssopus. p 207 



b Flowers purple; calyx lo-nerved; plant hairy through- 

 out Satureia. p 207 



69 a Plant cultivated for its fiber; leaves 1-2 in. long, 



lanceolate, entire; flowers blue Linum. p 178 



b Plants not cultivated for the fiber 70 



70 a Plant cultivated for the acrid petioles; leaves 10-20 



in. long, ovate Rheum, p 145 



b Plants not completely as in a 71 



71 a Plant 3-10 ft. high ; flowers in heads 6 in. or more 



broad Helianthus annuus. p 235 



b Plants not completely as in a 72 



72 a Plants cultivated for their fruit 73 



b Plants cultivated for their leaves 74 



73 a Flowers yellow ; fruit more or less enclosed by the 



calyx, not pungent Physalis. p 209 



b Flowers not yellow; fruit very pungent, not enclosed 



by the calyx Capsicum, p 208 



74 a Plants cultivated for the narcotic leaves 1-2 ft. long 



Nicotiana. p 209 

 b Plants not as in a 75 



75 a Leaves exude a milky juice when broken 



Lactuca saliva, p 219 

 b Leaves do not exude a milky juice when broken 76 



85 



