DICOTYLEDONOUS PLANTS 79 



d. R. bracteo'sum Dougl. Tall shrub, without prickles or thorns, 

 smooth. Leaves sprinkled with resinous dots, 3-9 in. broad, 5-7- 

 cleft, with pointed lobes and doubly serrate margins ; petioles long. 

 Racemes many-flowered, becoming 1 ft., long, with persistent bracts which 

 are thread-like above and become leaf-like 'below. Flowers greenish white. 

 Calyx saucer-shaped. Fruit a black berry, sprinkled with resinous 

 dots. Blooming in spring and found from northern California to 

 Alaska. 



e. R. ce'reum. Dougl. Shrub with many short, stout branches, 

 which are glutinous and sprinkled with resinous dots. Leaves 1 in. 

 broad, kidney-shaped, 5-lobed, crenately toothed. Racemes with 

 3-5 flowers on short peduncles. Calyx white, with a greenish or 

 pinkish cylindrical tube in. long, the lobes recurved. Petals 

 orbicular. Fruit a scarlet berry with a sweet, resinous taste. Blooming 

 in the spring and found from northern California to Washington. 



f. R. lacus'tre Poir. Low shrub with prickly stems and thorns 

 under the leaf axils. Leaves 3-5-parted, their lobes deeply cut. 

 Calyx saucer-shaped, petals small, stamens and style short. Fruit 

 a reddish berry more or less covered with prickles. From northern 

 California to Washington. The variety molle Gray is the form com- 

 mon in the mountains of California. This species has the fruit and 

 the prickly stems of the gooseberry but the racemed flowers of the 

 currant. 



Vm. PHILADEL'PHUS, Mock Orange, Syringa 



Shrubs with diffuse branches, several feet in height. Leaves 

 opposite, entire or toothed, ovate or oblong, without stipules. 

 Flowers showy, white, in paniculate cymes. Calyx with tube 

 adnate to the ovary almost to its top, with J^-5 divisions which 

 are valvate in bud. Petals 4 or 5, large, obovate, convolute in 

 bud. Stamens many, with slender filaments. Styles 3-5, 

 united at base or almost to the top. Pod 3-5-celled, splitting 

 from the apex when ripe, each valve 2-parted. Seeds many, 

 pendent on placentae projecting from the axis. 



a. P. Lewis'ii Pursh. Nearly smooth. Leaves ovate, 1-2 in. 

 long, nearly entire. Panicle on a naked peduncle. Styles distinct at 

 apex only, stigmas narrow. Blooming in spring and found in the 

 Sierra Nevada Mountains from California to British Columbia. 



b. P. Gordonia'nus Lindl. Almost smooth. Leaves ovate to 

 oblong, 2-4 in. long, coarsely serrate with scattered teeth. Flowers 

 in loose clusters with the peduncles leafy at base. Styles distinct to the 

 middle. Blooming in spring, in the Coast Mountains, from northern 

 California to Washington. 



