534 PHARMACEUTICAL BOTANY 
RosAce# OR Rosz Famity.—Herbs, shrubs, or trees mostly of 
temperate regions. Stem and branches upright or creeping 
(Strawberry, Cinquefoil), herbaceous to woody. Leaves alter- 
nate, stipulate (stipules green, persistent to scaly, deciduous), 
compound, condensing to “simple.” Flowers regular, pen- 
Fic. 404.—Branch of Quillaja Saponaria, a Chilean tree from whose trunk and 
branches Soap Tree Bark is obtained. (Sayre.) 
tamerous, either solitary, as in the Peach (Prunus persica) or 
Apricot (Prunus armeniaca), in racemes, as in the Wild Black 
Cherry (Prunus serotina), in cymes, as in Apple (Malus), or in 
umbels as in Bird Cherry (Prunus Avium) and Sour Cherry 
(Prunus Cerasus), sepals and petals 5, rarely 4, inferior to ovary, 
becoming by stages superior to it. Sepals green, at times with 
