Acalypha EUPHORBIACEAE-CALLITRICHACEAE Ccdlitricke 



China. (A Greek name for the nettle.) 



1. Acalypha australis Linn. £|[i£ (Chia Ts'ao; Herbaceous Catalpa) (Mak.F. 378). 

 Herb, to 40 cm.; fls. VII-VIII; fr. IX-XI. Eastern Asia; locally in An., Ki., Ku. 

 Grassland. Fig. 211. 



92. BUXACEAE Box Family MU& (Huang Yang K'o) 



Monoecious herbs, shrubs or trees with watery sap and simple estipulate Ivs. : fls. 

 apetalous; stamens 4 or more; ovary 2-4-celled: fr. a capsule or drupe: sometimes 

 combined with Enphorbiaccae from which it is separated by having the raphe of the 

 pendulous ovule turned away from, not towards the axis of the ovary. 6 genera with 

 30-60 species, widely distributed in warm regions; 3 genera and 12 species in China. 



Key to the Genera 



Lvs. alternate, 3-nerved: fr. drupe-like 1. Sarcococca 



Lvs. opposite, penninerved: fr. a capsule, crowned by persistent styles.... 2. Buxus 



1. Sarcococca Lindl. WfMVcM (Yeh Shan Hua Shu; 

 Wild Fan-flower Genus) 



Evergreen glabrous shrubs with alternate entire lvs.: infl. axillary: stamens 4-6: 

 fr. drupe-like, 1-2-seeded. 5-6 species, China and Malaysia; 3 in China. (Greek: 

 sarkos, flesh; and kokkos, berry, referring to the fleshy fruit.) 



1. Sarcococca hookeriana Baill. var. digyna Franch. (R.M. 536). Shrub, to 2 m.: 

 fls. V-VI; fr. drupe-like, VIII-X. West China; locally in Ki. Forest. 



2. Buxus Linn. Box ftHM (Huang Yang Shu) 



Evergreen shrubs or trees with entire opposite lvs.: stamens 4: fr. a 3-celled, 3- 

 horned capsule, each cell with 2 seeds. About 30 species, in Europe, eastern Asia 

 and tropical America; 6 in China. (The Latin name.) 



1. Buxus microphylla Sieb. & Zucc. var. sinica Rehd. & Wils. H^§ (Huang Yang; 

 Yellow Poplar) (R.M. 538). Shrub or tree, to 5 m.; fls. III-IV; fr. a 3-horned 

 capsule, V-VII. China; locally in An., Ku. Planted, ornamental, wood. Fig. 212. 



93. CALLITRICHACEAE Water Star wort Family 7_kH#f4 



(Shui Ma Ch'ih K'o) 



Herbaceous aquatic plants (rarely terrestrial), with capillary stems: lvs. opposite, 

 estipulate, entire, in terminal rosettes (with spatulate blades): fls. very small, axillary, 

 perfect or monoecious; perianth none; bracts 2, sac-like (or none); stamen one, with 

 elongated filament; pistil one; ovary 4-celled; styles 2: fr. compressed; carpels winged, 

 separating at maturity, one-seeded. Only the following genus. 



1. Callitriche Linn. Water Starwort jj\MMM (Shui Ma Ch'ih Shu) 



Characters of the family. About 20 species, widely distributed; 3 in China. 

 (Greek meaning " beautiful " and "hair," referring to the hair-like stems.) 



Key to the Species 



Fr. wider than high, 2-lobed; reticulations scattered: stigmas 0.2-1. 2 mm. 



long; anthers 0.1-0.2 mm wide (Sect. Microcallitriclie) 1. C. japonica 



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