LAUEACEiE. SILVA OF NORTH AMERICA. 



3 



CONSPECTUS OF THE NORTH AMERICAN ARBORESCENT SPECIES 



EuPERSEA. Anthers of the four exterior ranks of stamens fertile, 4-celled. 



Peduncles short ; leaves oblong or oblong-lanceolate, obscurely veined, glabrous ; branchlets puberulous 1. P- Borbonia, 

 Peduncles elongated; leaves oval or lanceolate, conspicuously veined, tomentose on the lower surface; 



branchlets coated with tomentum 2. P. pubescens 



