IGO . PRACTICAL BOTANY. 



lanceolate, decurrent on the erect, smooth, branching stem. 

 Pod oblong, club-shaped, wing-angled. Flowers axillary, 

 yellow. "^Jussaeia decurrens, D. C. 



283, Seeds many. Anthers mostly linear. Petals ob- 

 cordate or obovate. Calyx-lobes reflexed. Pod oblong. 

 Flowers yellow. (Enothera. 



Seeds 1-4. Stamens alternately shorter, often de- 

 clined. Ovary oblong, 4-celled, becoming 1-celled in fruit. 

 Pod indehiscent. Leaves alternate. Flowers small, white 

 or red, rarely 3-merous, spiked, or racemed. Gaura. 



284, (273.) Stamens 5 285 



Stamens 8-20 315 



Stamens usually more than 20. Petals 5-10. Herb, 

 1 foot high, dichotomously branched, rough with barbed 

 bristles. Flowers yellow 52 



285, Fruit a berry, or a berry-like drupe 286 



Fruit not a berry. Styles 2, or in one genus, 1- 



(mostly 3-) cleft 288 



286, Styles 2 (separate or united into 1). Berry 1- 

 celled, with 2 parietal placentae, many-seeded, prickly or 

 smooth, crowned with the remains of the calyx. Calyx 

 bell-shaped, 5-lobed, bearing the 5, often very small petals 

 in the sinuses. Stems usually prickly or thorny. Leaves 

 rounded-heart-shaped, and variously lobed or parted. Flowers 

 in racemes. Ribes. 



Styles 2-5. Drupe 2- to 5 -celled. Leaves compound 

 or decompound. Flowers, white or greenish, in umbels. 



287 



287, Styles and cells of the black, or dark purple fruit 5. 

 Stem herbaceous or woody, one species a prickly tree. 

 Leaves very large, either quinately or pinnately decompound, 

 or twice pinnate. Flowers monoeciously j)olygamous, or 

 perfect, in panicled or corymbed umbels. Aralia. 



Styles and cells of the red or reddish fruit 2 or 3. 

 Stem herbaceous, low, simple, with a whorl of 3 palmately 

 3- to 7-foliolate leaves at its summit. Flowers dioeciously 

 polygamous, in a solitary umbel. Panax (881). 



288, L Ovary 3-celled, 3-lobed; style 1, mostly 3-cleft. 

 Petals saccate-arched, with long claws. Flowers in panicles 



