ADDITIONAL DELAWARE CO. PLANTS. 71 



10 Acer negundo L. 



Native along the Branch'wine about Chadd's Ford. 



11 Lechea racemulosa Michx. [Lam.] 



12 " leggettii I'ritton and Hollick. 



The genus Lcchca occurs frequentl}' with us on dry, 

 barren or sandy soil. Our commonest species seems to 

 be L. leggettii. L. racemulosa, L. miyior L., and L. 

 villosa Ell., are also occasionally to be seen. 



13 Viola obliqua HilL [V. affini> Le Conte.] 



14 " papilionacea Pur?h. 



These Violets both occur in this county, P. obliqua 

 rather rarely, but V. papilionacea abundantly. 



15 Hydrocotyle ranunculoides L. t. 



A considerable colony in a sluggish stream in a 

 meadow along the Brandywine, a mile l)elow Chadd's 

 Ford. A southern plant, here near the extreme limit 

 of its range. 



16 Scrophularia leporella BickneU. 



Frequent. Earlier flowered than the equally frequent 

 ^. marylandica L., and in ray experience preferring 

 meadow land or opener situations. 



17 Lobelia puberula Michx. 



On clay soil, along the township line between Bethel 

 and Concord, near the Delaware State boundary. In 

 company with Liqiddatnbar styracijiua L., Clcthra alni- 

 folia L., Eupatorium verbenaefolium Michx., and other 

 plants of Tinicum or southern New Jersey flora. A 

 southern species, extending north to southern New 

 Jersey. This record probably represents the limit of its 

 range into the hill countn.' of Pennsylvania. 



18 Solidago juncea Ait. 



' x\ handsome, glabrous, early flowered species, occa- 



sional with us. Llewellyn, Marple, and in Chester Co. 



