n6 EMPETRACEAE. 



5. Low or prostrate. B. microphylla. 



Moderately high. B. japonica. 



PACHYSANDRA. 



More or less evergreen softwooded perennials with alter- 

 nate relatively large wing-petioled toothed leaves clustered to- 

 ward the ends of the short erect shoots ; small white or purplish 

 monoecious apetalous spiked flowers ; and small 3-lobed capsules. 

 Leaves coarsely crenate : flowers at top. P. terminalis. 



Leaves crenately lobed : flowers at base. P. procumbens. 



Family EMPETRACEAE. Crowberry Family. 

 A small family of low evergreens, chiefly in cold regions. 



EMPETRUM. Crowberry. 



Low matted evergreen shrubs with slender twigs ; small 

 raised crescent-shaped leaf-scars with i bundle-trace, usually 

 in whorls of 3 ; no stipule-scars ; small round sessile solitary 

 buds with few scales ; small narrow crowded entire leaves ; in- 

 conspicuous apetalous polygamous flowers ; and relatively large 

 berry-like fruits. 



1. Leaves scarcely reflexed : twigs tomentose. 2. 



Lower leaves reflexed : twigs glandular or glabrate. E. nigrum. 



2. Leaves rather spreading: fruit opaque. E. atropurpurum. 

 Leaves ascending : fruit translucent. E. Eamesii. 



COREMA. Broom Crowberry. 

 Evergreen low shrubs with slender fluted twigs ; minute 

 continuous pith; alternate elevated crescent-shaped minute leaf- 

 scars with a single bundle-trace ; no stipule-scars ; small globose 

 sessile buds with several exposed scales ; minute oblong nearly 

 sessile blunt green leaves ; small apetalous polygamous flowers 

 clustered at ends of the branches ; and several-seeded small dry 

 drupes. 

 Leaves minutely serrulate, grooved on both faces. C. Conradii. 



Family ANACARDIACEAE. Sumach Family. 



A small family, chiefly of warm regions, yielding mangoes, 



cashew apples and cashew nuts, pistacio nuts, and the lacquer 



