Ordeu 6.— the BERBERIDS. 



153 



Order YI.— BERBERIDACEJE. The Berberids. 



Herhs and shrubs, with alternate leaves and perfect flowers, with 

 tepals imbricated in the bud in 2 or more rows; 

 petals opposite the sepals, also imbricated in two or more rows ; 

 stamens opposite to the petals, the anthers usually opening by two lids; 

 ovary 1-celled, solitary and simple, forming a capsule or berry. 



5. Section of the flower of Jeffersonla, 



Fig. 



A leaf of the same. 



Analysis of the Genera. 



§ Herbs, anthers opening by two valves hinged at top. . . .a 



§ Herbs, anthers opening by 2 slits lengthwisa b 



§ Shrubs, with yellow flowers and acid berries. Ber''beris. 1 



a Stamens 6. Fruit 2, drupe-like, soon-naked seeds. CoTiosh. Leon''tice. 



a Stamens 6. Fruit a 2-4-seeded berry. UmbreUa-leaj. Diphyllei'a. 



a Stamens 8. Fruit u capsule opening by a lid. Twin-leaf. Jefferso'>;ia. 2 



b Stamens 9-18. Flower 1, with 2 leaves. May Apple. Poddphyl^lum. 3 



1. BER'BERIS. Barberry. 



Sepals 6, obovate, colored, the 3 

 outer ones smaller. Petals 6, round- 

 ish, with two glands at the base of 

 each, inside. Stamens 6. Stigma ses- 

 sile, disk-like, on the top of the ovary. 

 Berry oblong, sour, 1-celled, 2-3-seed- 

 ed. — Fine, hardy shrubs, with the 

 wood, inner bark, and flowers yellow. ^ 9 S7S ''<zyzso 



Fig. 377. a, Flower of Berberis vulgaris; h, the piatil (magnified), with the ovary cut open 

 c, <?, petals with stamens opposite ; 9, a berry ; 350, a seed cut open, showing the embryo. 



