Lauraceae 173 
AA. Leaves thick, somewhat coriaceous, persistent; leaf-margin slightly crisped, nar- 
rowly white-margined. U. V. chrysantha Gr. 
BERBERIS BARBERRY 
Shrubs; wood yellow. Leaves simple or compound (ours), often spiny. Flowers 
yellow, in bracted racemes (ours). Sepals 6—9, petal-like. Petals 6, imbricated in 
2 whorls, each with 2 basal glands. Stamens 6, closing around the stigma when touched; 
anthers opening by valves at the top. Pistil 1; stigma peltate. Fruit a berry. Seeds 
I—few. (From Arabic berberys—the name for the fruit of these plants.) 
A. Leaves with the 3 chief veins from the base. W. C. FE. 
B. nervosa Pursh (Dull Oregon Grape) 
AA. Leaves with but | vein from the base. 
B. Leaflets 37, pale-green, dull; leaf-teeth with weak spines, oo Ue Coa ke eC: 
pumila; B. nana. ) B. repens Lindl. (Small Oregon Grape) 
BB. Leaflets 511, bright green, shining; leaf-teeth with strong spines. W. C. E. 
B. aquifolium Pursh (Shining Oregon Grape) 
LAURACEAE Laurel Family 
Shrubs or trees, aromatic. Leaves alternate (ours) or opposite, mostly thick, ever- 
green (ours), shining (ours), petioled; stipules none. Flowers small, yellowish-green 
(ours), in panicles or racemes or umbels (ours). ‘Perianth 4—6(ours)-parted, in 2 
whorls. Stamens 9 (ours) or 12, in 3 (ours) or 4 whorls, on the perianth, distinct, 
often some of them reduced or modified. Ovary superior, |-celled, 1-ovuled; style O—1; 
stigma disk-like or head-like. Fruit a drupe (ours) or a berry. 
UMBELLULARIA LAUREL 
Ours 3—20 m. high. Leaves in ours 5—10 cm. long, lanceolate-oblong, entire 
or sinuate, very aromatic. Flowers perfect, in axillary umbels but apparently in a terminal 
panicle (ours). Calyx in ours 3—6 mm. long. Drupes subglobose; in ours 2—2.5 
cm. long, on short stout peduncles. (L. umbella—an umbel; referring to the flower ar- 
rangement. ) OL U. californica Nutt. (California Laurel) 
PAPAVERACEAE Poppy Family 
Herbs, rarely shrubby; juice milky or colored at least in the root. Leaves alternate 
or opposite or whorled; stipules none. Peduncles |-flowered. Flowers regular. Sepals 
2—3. Petals 4—12, in 2 sets, imbricated in the bud. Stamens indefinite in number. 
Ovary superior. fruit a capsule, |-celled; placentae parietal. Seeds many. 
A. Most of the leaves opposite or whorled, entire. . 
B. Stamens 4 or 6; filaments narrow; carpels 3—4; flowers white or yellow. 
PLATYSTIGMA (p. 174) 
BB. Stamens 6; filaments very wide; carpels 6—18; flowers yellow. 
PLATYSTEMON (p. 174) 
AA. Leaves alternate. 
C. Leaves lobed or dissected. . 
D. Flowers bright yellow; ovary and capsule with 2 placentae; stigma composed 
of 4—6 lobes. ESCHSCHOLTZIA (p. 174) 
DD. Flowers red; ovary and capsule with many placentae; stigma a radiate disk. 
PAPAVER (p. 174) 
CC. Leaves entire; flowers yellow; ovary and capsule with 3 placentae; stigmas 3. 
CANBYA (p. 175) 

