176 ANACARDIACEAE • CORIARIACEAE 



RHUS — continued 



Ls. pinnate; Iflts. lane, 4, toothed, hairless, glaucous below. Fls. greenish, 



in dense terminal panicles. Fruiting panicles erect, red, hairy, and sticky. 



U.S.A. 



Variety laciniata. Lflts. 2-pinnate, or 2-pinnately lobed. 

 R. Potanini. 25. May-June. D. Branchlets hairless. Ls. pinnate; lflts. ov., 



lane, 4, entire (or coarsely toothed in young plants), hairless or nearly so. 



Fls. whitish, in terminal panicles. Fruiting panicles drooping, dark red, 



hairy. China. 

 R. punjabensis. 30. June-July. D. Like R. Potanini, but branchlets downy. 



Himalaya to China. 

 R. Toxicodendron. Poison Ivy. 9. June-July. D. Rambler or climbing by 



aerial roots. Ls. 3-fol.; lflts. ov., 4, entire or with a few coarse teeth. 



Fruit a white berry. North America and Japan. (Fig. 3 d.) 

 R.typhina. Staghorn Sumach. 25. July. D. Branchlets velvety - hairy. 



Ls. pinnate; lflts. lane, 5, toothed, long-pointed. Fls. greenish, in dense 



hairy panicles. Fruiting panicles red, hairy. East United States. 



(Fig. 10 F.) 



Variety laciniata. Lflts. pinnately lobed. (Fig. 22 c.) 

 R. verniciflua {R. vernicifera). Lacquer Tree, Varnish Tree. 60. July. D. 



Ls. pinnate; lflts. broadly ov., 6, entire, velvety downy below. Fls. 



yellowish white, in loose axillary panicles. Fruit a yellowish berry. 



China and Japan. (Fig, 10 e.) 

 R. vernix. Poison Sumach. 20. June-July. D. Branchlets hairless. Ls. 



pinnate; lflts. ov., oblong, 4, entire, hairless. Fls. greenish yellow. Fruit 



yellowish. East United States. 



ScHiNUS DEPENDENS. 15. May. E. Branchlets stiff, spine-tipped. Ls. alternate, 

 obov,, I, blunt-ended, tapering to very short stalk, entire or toothed, Fls, very 

 small, C4, A8, in small axillary branched clusters. Fruit a purple berry, Chile. 

 (Fig, 87 H,) 



Family 41, CORIARIACEAE. K5, C5, A5 + 5, G5 



CORIARIA, Branchlets 4-angled, Ls, opposite, ov., 3-5-nerved, entire, in 

 two opposite rows. Fls. small, greenish, in racemes; petals enlarge and become 

 fleshy, enclosing the black fruit, 



{a) Fls. in terminal racemes 

 C. terminalis. 3, June, D, Semi-herbaceous, Ls, ov., 3, 5-9-nerved, abruptly 

 pointed. Himalaya, (Fig. 76 B.) 



(b) Fls. in lateral racemes 



C.japonica. 3. September, D, Stems semi-herbaceous, pithy, renewed 

 annually from base, Ls, 4, 3-nerved, long-pointed, hairless, Japan. 



C, myrtifolia. Redoul. 6. Summer, D, Branches erect. Ls. 2|, 3-nerved, 

 hairless. Mediterranean region. 



C. nepalensis. 8. April-May. D. Bark rough, reddish brown. Branches 

 spreading. Ls. 4, 3-7-nerved, heart-shaped base. Himalaya. 



C. sinica. 15. D. Branchlets warted. Ls. 3, 3-nerved, short-pointed. China. 



