110 SILVA OF NORTH AMERICA. LEGUMINOS£. 
CONSPECTUS OF THE NORTH AMERICAN SPECIES. 
Branchlets slightly tomentose or glabrous ; peduncles bibracteate at the apex; pinne twenty 
to forty-foliolate ©. 6. 6 ee ee ee ee eee ee ee ee ew 1, LL eave. 
Branchlets pulverulent-tomentose ; peduncles ebracteolate ; pinnz sixty to one hundred and 
twenty-foliolate 2. 2. 6 6 6 ee ee ee ew ee ee ee ee ew ee. 2, LL. PULVERULENTA., 
