JUGLANDACEAE 67' 



PLATYCARYA 



Deciduous trees. Branchlets with solid pith. Winter buds covered 

 by imbricated scales. Leaves odd pinnate ; leaflets 5-19, sessile, ovate- 

 lanceolate, long pointed, oblique and wedge-shaped at the base, dou'bly 

 serrate. Flowers monoecious; staminate catkins axillary, 4-12 together;, 

 pistillate solitary, terminal, conelike. Fruit, winged nutlets borne in the 

 axils of the scales of an upright cone. 



A monotypic genus distinguished from the other members of 

 Juglandaceae by the cone-like fruit bearing small winged nutlets. 



Platycarya strobilacea Siebold & Zuccarini. 



Bush or small tree, rarely to 20 m. tall with thick, dark gray and 

 deeply furrowed bark. Leaves 15-30 cm. long; leaflets 4-12 cm. long. 

 Cone oval, brown, about 4 cm. long; scales sharp pointed. Nutlets about 

 4 mm. across. 



Kiangsi, Hupeh, Yunnan, Chekiang, Kiangsu. 



A black dye for dying cotton cloth is derived from the fruits of this 

 tree, 



ENGLEHARDTIA 



Trees or shrubs. Branches with solid pith. Leaves pinnate; leaflets 

 entire, serrate. Staminate inflorescence in pendulous spikes; flowers 

 composed of 4-12 stamens on an entire or more or less unequally lobed 

 bract. Pistillate inflorescence a long, pendulous spike; flowers sessile oi» 

 a 3-4 lobed bract with a 4 parted calyx adnate to the ovary; stigma 2. 

 Fruit a globose nutlet at the base of an unequally 3-lobed bract of which 

 the middle lobe is the longest; nutlet 2-valved. 



About 5 species are recognized in India, Malay and China. 



Englehardtia spicata Blume. 



Small to large half-evergreen tree. Leaves 15-30 cm. long; leaflets 

 more or less membranous, obtuse to acute, unequal at the base, more or 

 less tomentose on the under surface and on the petiolules. Staminate 

 flowers with entire bracts and sessile stamens; pistillate flowers with 

 3 lobed bracts. Nutlets globose, 6-8 mm. in diameter, villose; bract 5-8 

 cm. long, the middle lobe linear, oblong and blunt. 



