152 BERBERIDACEAE • CRUCIFERAE 



BERBERIS— continued 



spine-toothed. Fls. f, brownish yellow, in small clusters. Berry |, 

 oblong. China. (Fig. 80 m.) 

 B. verruculosa. 3. May. Branchlets cylindrical, thickly warted. Ls. ov., 

 lane, I, with a few spiny teeth, margin recurved, glossy dark green 

 above, glaucous below. Fls. |, golden-yellow, solitary or in twos. China. 

 (Fig. 80 L.) 



MAHONIA. Stem without spines. Ls. alternate, pinnate, usually spine- 

 toothed. Fls. yellow, in erect racemes. Fruit a bluish-black berry. 



M. Aquifolium {Berberis Aqiiifolium). Oregon Grape. 3. February-April. 



E. Lflts. ov., 3, unequal at base, with small spiny teeth, leathery, dark 



green, glossy. North America. (Fig. 12 F.) 

 M. Fremontii. 12. May-June. E. Lflts. ov., i|, pale bluish grey, very spiny. 



South United States. 

 M. (Berberis) japonica, 10. March-April. E. Thick unbranched stem 



bearing a few Is. at top. Lflts. ov., 5, unequal at base, with a few large 



spiny teeth. Fls. lemon-yellow, very fragrant. Japan. (Fig. 12 G.) 

 M. (Berberis) nepalensis. 20. March-April. E. Bark soft, corky. Lflts. 



lane, 4I, equal at base or nearly so, spine-toothed, leathery, glossy. 



Himalaya. (Fig. 12 E.) 



* Nandina domestica. Heavenly Bamboo. 8. June-July. E. Stems erect, 

 spineless, unbranched. Ls. opposite, 2-3-pinnate; lflts. linear, lane, 4, entire, 

 long-pointed, hairless, tinged with red when young, purplish in autumn. Fls. |, 

 white, with large yellow anthers, in large erect panicle. Fruit \, a bright red or 

 purplish 2-seeded berry with persistent style. China and Japan. (Fig. 22 a.) 



Family 12. PAPAVERACEAE, K2-3, C4-6, A 00, G (2-0)) 

 (Poppy, Greater Celandine) 



Dendromecon rigidum. Californian Tree Poppy, Shrubby Poppy. 10. 

 Summer. D. Ls. alternate, lane, 3, pointed, entire, thick, bluish green, net- 

 veined, short-stalked. Fls. 3, yellow, solitary, fragrant, K2, C4. Seed-pod 4, 

 linear, curved, grooved. California. (Fig. 1 14 G.) 



RoMNEYA CouLTERi. 8. Summer. D. Stems herbaceous. Ls. alternate, 4, 

 lobed, very glaucous, a few spiny bristles on midrib and stalk. Fls. 5, solitary or in 

 pairs, five or six white satiny petals, sepals smooth, stamens yellow. Seed-pod 

 densely covered with stiff yellowish bristles. California. (Fig. 36 E.) 

 Variety trichocalyx. Sepals bristly. 



Family 13. CRUCIFERAE. K2 + 2, C4, A6, G (2) 

 (Aubretia, Cabbage, Stock, Wallflower) 



ALYSSUM. Ls. alternate, downy with star-shaped hairs, usually silvery grey. 



A. argenteum. ih June-July. E. Young stems covered with silvery down. 

 Ls. linear, oblanc.,i, silvery-downy below. Fls. yellow, in flattish branched 

 clusters about 4 across. South Europe. (Fig. 50 N.) 



^. 5fl^«/?7e. Gold Dust, Golden Tuft. i^. April-May. E. Ls. oblane, 6, 

 blunt-ended with small abrupt point, downy below. Fls. J, yellow, in 

 rounded heads about i across. Europe. (Fig. 115 a.) 



