212 



THE FLORA. 



§ Flowers opening by night. Pods rounded at the corners, sessile 1,2 



§ Flowers opening by day. Pods club-shaped, sharply 4-cornered a 



a Stems erect, 1-3 feet high. Flowers large (1-2' across) 3 



a Stems half-erect, 6-16' long. Flowers small (5-8^^ across) 6, 7 



1 CE. bien'nis. Lvs. slightly toothed. Pods oblong. Fls. V or more wide. 



2 CE. sinua'ta. Leaves sinuate-toothed or pinnatifid. Flowers i' wide. S. 

 3 Pods scarcely winged on the 4 sharp angles. Leaves narrow 4, 5 



3 CE. frutico'sa. Pods with the 4 angles distinctly winged. Leaves lanceolate. 



4 CE. ripa'ria. Leaves linear-lanceolate. Flowers finally racemed. S. M. 



5 CE. linea'ris. Leaves linear. Flowers on the ends of the branches. S. M, 



6 CE. pum'ila. Flowers straw-yellow. Pods almo.st sessile. Common. N M. 



7 CE. chrysan'tha. Fls. orange-yellow. Pods distinctly stalked. Rare "N -W. 



3. CIRC^'A. Enchanter's Nightshade. 



Calyx tube a little prolonged above the ovary, lobes 2. Peta,ls* 2, ob- 

 cordate. Stamens 2, opposite the sepals. Fruit reflexed, inversely egg- 

 shaped, with hooked hairs, 2-celled, 2-seeded. — U Small, tender herbs, 

 with opposite leaves and terminal racemes of small, reddish- white flowers. 



C. Lutetia'na. {See the figure.) Stem l-2f. high, sparingly branched, pub^.^cenfc 

 Leaves dark green, ovate, subcordate, acuminate, coarsely toothed. P-adicel* 

 without bracts, bent down after flowering. Fruit clothed with bristl.y hooka 

 June^ July. 



O. alpi'na. Stem 5-10'' high, very smooth. Leaves pale green, broad corda.o, tb^i 

 slightly dentate. Common in rocky woods at the North. July. 



Order LY.— GROSSULAC^. Currants. 



Small shrubs^ often prickly, with alternate, 



lobed, plaited leaves; 

 flowers in axillary racemes, regular, 4 or 5- 



parted, small; 

 petals inserted into the throat of the calyx, 



small, distinct, and the 

 ^ruit a 1-celled, many-seeded, 2-carpeled berry. 



Fig. 46S. A flower of the Red Currant cut open; o, the ovary and' ovules ; at, the style; 

 s, the calyx tutve; p, the petals; s, the stamens. Fig. 469. A berry cut open, showing the two 

 placertse and .seeds. Fig. 470. A seed cut open, showing the little embryo. 



