114 FAM. 145. 



reniform, dotted and pitted beneath; tubers usually absent; flowers small, 

 white. Ponds. Spring and Summer. 



145. Apocynaceae, Dogbane Family. 



Herbs or shrubs, sometimes vines or trees, mostly with 

 latex, with opposite or alternate exstipulate leaves; regular 

 5-parted flowers in cymes and panicles or solitary or few 

 together; stamens distinct, inserted on the corolla-tube 

 and alternate with its lobes; carpels 2, distinct or united, 

 superior; styles united, fruit consisting of 2 follicles or 

 drupes; seed often with an appendage; mostly evergreens. 



1. Anthers unappendaged, _______ __2 



1. Anthers appendaged at the base, ------«. 5 



2. Shrubs or trees with alternate leaves; flowers solitary or few together; 



corolla funnelform with inequilateral lobes; fruit a drupe from 

 2 carpels. Summer. Cultivated. _____ The vet ia 



T. neriifolia, Yellow Oleander. Branching shrub with many narrow, sessile 

 leaves and yellow or salmon-colored flowers. 

 2. Shrubby climbers; leaves opposite, short-stalked; peduncles long; 

 calyx-lobes reflexed; corolla white, the tube contracted below 

 the middle, with screw-shaped border; fragrant. Early Summer. 

 Cultivated. - Trachelospermum (Rhyncospermum) jasminoiies, 



Confederate Jessamins or Star-jessamine 



2. Herbs, sometimes partly shrubby, ----_-._ 3 



3. Leaves alternate; — flowers in terminal cymes; corolla salverform; 



stamens included, ________ Amsonia 



A. ciliata. Stem and branches pubescent; leaves linear; calyx-lobes acute; cor- 

 olla glabrous. Dry pine-land. Spring and Summer. 



3. Leaves opposite, _________ __4 



4. Corolla funnelform, anthers with a foliaceous connective, stigma 



smooth, carpels 6-8 ovuled; — stems trailing; flowers mostly 

 solitary in the axils, violet, purple or white. Summer. Culti- 

 vated. _________ Vinca, Periwinkle 



V. minor. Procumbent;) leaves elliptic-lanceolate, not ciliate. 



V. major. Decumbent; leaves ovate; ciliate at the edges. 



4. Corolla salverform, anthers with an inconspicuous connective, stigma 



pubescent, carpels many-ovuled; — partly shrubby, erect stems; 

 flowers often 2 together. Summer. Cultivated. Ammocallis, Periwinkle 

 A. (Vinca) rosea. Leaves rather fleshy; corolla white or pink. 



5. Shrubs with opposite leaves; flowers white in 1-8 flowered clusters; 



corolla salverform, the petals crimped. The double variety 



is mostly cultivated. - - Tabernaemontana coronaria, Crape jasmine 

 5. Shrubs with opposite leaves; flowers large, white, in two's; corolla 



salverform with screw-shaped border. Cultivated. Stemmadenia bella 

 5. Shrubs or trees with leaves opposite or in 3's; corolla salverform; 



flowers in terminal compound cymes. Cultivated. - Nerium, Oleander 

 N. Oleander. Shrub with numerous narrow leaves, and roseate, pink or white 



flowers, of which several single and double varieties are planted. 



