RANALE8. 



559 



move quickly toward the pistil when touched at their bases by au in- 

 sect searching for the honey secreted by glands upon the petals (Figs. 

 551-52). 



B. (Jan'iderms, of the Southern States, is much like the foreign spe- 

 cies. 



.Fios. 550-3. ILLUSTRATIONS OP BERBERIS VULGARIS. 



PIG. 550. 



FIG. 551. 



FIG. 552. 



Fig. 550. Flower diagram. 



Fig. 551. Pistil, with a petal and stamen. Magnified. 



Fig. 552. Upper side of a petal, showing its two glands. Magnified. 



Fig. 553. Vertical section of ovary. Magnified. 



Several evergreen species from the Rocky Mountains and Oregon, 

 and one from Japan, are cultivated under the name of Mahonia. 



Podophyllum peltatum, the May Apple of the Eas'.ern United States, 

 produces an edible, plum-shaped fruit. Its poisonous rootstocks are 



FIGS. 554-8. ILLUSTRATIONS OP MENISPERMUM CANADENSB. 



FIG. 554. 



FIG. 557. FIG. 558. 



Fig. 554. Diagrnm of male flower. Fig. 555. Fruit. Magnified. 



Fig. 556.-Section of fruit. Magnified. Fig. 557. Seed. Magnified 



Fig. 558. Section of seed. Magnified. 



used somewhat in medicine. A second species occurs in the Him- 

 alayas. 



Caulophyllum thalictr tides, of the Eastern United States and also of 

 Japan, is interesting on account of its young ovaries bursting open and 

 allowing the ovules to develop into naked drupe-like seeds. 



