Callitriche CALLITRICHACEAE-ANACARDIACEAE Pistacia 



Fr. higher than wide, not at all or slightly lobed; reticulations apparently 

 in more or less vertical lines: stigmas 0.7-6 mm. long; anthers 0.2-1.5 

 mm. wide. (Sect. Callitriche) 2. C. verna 



1. Callitriche japonica Engelm. (Mak.F. 374). Terrestrial herb; fls. V; fr. VI. 

 Japan, China; locally in Ku. Moist banks. 



2. Callitriche verna Linn, emend. Kiitz. 7jtJSJt (Shui Ma Ch'ih; Water Purslane) 

 (Rh. 53:166). Aquatic herb; fls. V; fr. VI. Eurasia, North America; locally in 

 Ku. Ponds and lakes. 



94. ANACARDIACEAE Cashew Family -$sff p[ (Ch'i Shu K'o) 



Trees or shrubs with resinous bark and often with latex: lvs. alternate estipulate: 

 infi. in panicles: fls. small, unisexual, polygamous or perfect; stamens usually 5 or 10, 

 inserted at the edge of a disc; styles 1-5; carpels 1 or 3-5, united (ours) into a com- 

 pound ovary, or free: fr. a 1-5-celled, 1-5-seeded drupe or nut. About 75 genera 

 with 600 species, mostly tropical and subtropical; 10 genera and 30 species in China. 



Key to the Genera 



Lvs. simple, rounded or emarginate at the apex: fls. with petals: frtg. panicles 



with scattered drupes in a profusion of long plumose sterile pedicels 1. Cotinus 



Lvs. pinnately compound: frtg. panicle without plumose pedicels. 

 Fls. apetalous: drupes green, red and purple in the same frtg. panicle: 



Ifts. entire, 10-12 per If 2. Pistacia 



Fls. with petals: drupes green or yellowish, not multi-colored: Ifts. often 



serrate 3 . Rhus 



1. Cotinus Adans. MWlM (Huang Lu Shu; Yellow-plumy-shrub Genus) 

 Polygamous or dioecious deciduous shrubs or small trees with yellow wood and 

 strong-smelling juice: lvs. alternate, simple, ovate, oval or obovate, entire or emar- 

 ginate, on slender petioles, without stipules: fls. in spreading panicles, small, yellowish 

 or greenish, on slender elongating pedicels which are clothed with spreading hairs; 

 sepals, petals and stamens 5; petals oblong, 2 x the lance-ovate sepals; stamens shorter 

 than the petals; ovary superior: fr. a dry obliquely obovoid drupe: frtg. panicles ivith 

 the elongated plumose pedicels of many sterile fls. 2 species, one in North America 

 and one in Eurasia. (Ancient Greek name of the wild olive.) 



1. Cotinus coggygria Scop. Smoke-Tree (R.M. 541). Bushy shrub, to 5 m.; fls. 

 purplish, V-VI; fr. VI-VII. Eurasia; locally in An., Che., Ku. Planted, orna- 

 mental. 



2. Pistacia Linn. WM'^M (Huang Lien Mu Shu) 

 Dioecious trees or shrubs with simple or compound lvs. and apetalous fls.: sta- 

 mens 3-5; style 3-parted: fr. dry, obliquely ovoid. 8 species, in southern North 

 America and Eurasia; 2 in China. (The Latin name, derived from the Greek name 

 pistake.) 



1. Pistacia chinensis Bunge WM'M (Huang Lien Mu; Woody Coptis) (R.M. 540). 

 Tree, to 25 m.; fls. apetalous, IV; fr. X-XI. China; locally in An., Che., Ki., Ku. 

 Woodland. 



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