BANALES. 



659 



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

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

 551-52). 



B. Uanadensis, of the Southern States, is much like the foreign spe- 

 cies. 



Figs. BSO-3.— iLitrBTRATioNS or Ei:i!Berib vulgakis. 



Fig. 550. 



Fig. 551. 



Fig. 558. 



Fig. 553. 



Fig. 550. — Flower diagram. 



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



Fig. 552.— Upper side of a petal, allowing its two glanda. Magnified. 



Fig. 553.— Vertical section of ovary. Magnified. 



Several evergreen species from the Kocky 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.— Illustrationb cj" Menispermuji Canadensb. 



Fig. 554. 



Fig. 555. 



Fig. 556. 



Fig. 557. Fio. 558. 



Fig. j54.— Diagram of male flower. 

 Fig. 5.56.— Section of fi-uit. Magnified. 

 Fig. 558.— Section of seed. Magnified. 



Fig. 655.— Fruit. Magnified. 

 Fig. 557.— Seed. Magnified. 



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

 alayas. 



OaidopliyUum thalictroides, 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 seecls. 



