128 CHINESE ECONOMIC TREES 



penicellate (tufted like a hair brush) , sessile, or nearly sessile stigma. 

 Fruit berry-like, composed of numerous small, 1 -seeded achenes cohering 

 by their fleshy coat into a globose head. 



5 or 6 species from Abyssinia to Japan. 2 species in China. 



Debregeasiu longifolia Weddell. 



Shrubs or tree to 10 m. tall. Branchlets with gray, silvery hairs. 

 Leaves lanceolate to lanceolate-oblong, acuminate, serrulate, green, 

 rough and rugose above, silvery gray and tomentose beneath, 10 to 18 

 cm. long. Flower heads in small, 2-branched cymes. Fruit orange 

 yellow, about 8 mm. in diameter. 



India to China. Hupeh and Yunnan. 

 Debregeasia edulis Weddell. 



Shrub. Leaves oblanceolate to elliptic, rugose and smooth above, 

 8-13 cm. long. 



E. China and Japan. 



TROCHODENDRACEAE 



Trees or shrubs with alternate leaves without stipules and solitary 

 or clustered flowers; flowers perfect or unisexual, monoecious, without 

 perianth or apetalous ; stamens 4 or numerous and spirally arranged; 

 carpels 2 to many, sometimes partly enclosed in the receptacle, with 1 to 

 indefinite ovules in each carpel. Fruit winged and indehiscent or an 

 unwinged, dehiscent follicle. 



3 genera and about 7 species in E. Asia. Trochodendron is not 

 recorded from China, but its occurrence in this country is not improbable, 

 therefore the genus is included in the key in order to stimulate its 

 discovery. For reasons already stated elsewhere (see remarks under 

 Magnoliaceae) Tetracentron is tentatively included under the present 

 family. 



KEY TO GENERA 



I. Wood without true vessels; leaves alternate or whorled ; flowers 

 small, perfect in racemes; fruit not winged. 



