Proceedings and Collections. 



491. P. a\irulaie, L B NOT-GB 



Common, /.'. \. D. tn !<■ 



492. P, creel inn, L. | P. <iri< Hlktft , L., WW, </<>'"/n, Man. 



p. 117.) 



Common, [H. 2V. D. m Ik rf>.) 



P. arifolium, L. TEABXrHUMB. 

 Lower Lackawanna Valley. 



494. i\ snjjritlaliun, L. 



Tobyhanna, 1881, {Prof. Fort* 



196. l\ eonvolvulllS, L. BLACK BINDWEED. 



Frequent. 



180. P. duinetoruni, L., var. scandens, Gray. CLIMBING 

 Buckwheat. 



Lower Lackawanna Valley. Near Biocanaqua (in herb. 

 IT. R. Z>.), and elsewhere in low grounds. 



497. P. eilinode, Mlchx. 



Near Dunninga and near Tobyhanna, <>n D., L. & W. R. 



R. Northeastern Pennsylvania, {Prof. Porter). 



498. Fagopyrum esculciitnm, Mcench. Buckwheat. 



Escaped, (It. N. D. in herb.) 



ARISTOLOCIIIACE^E. 



499. Asarum Canadense, L. Wild Ginger. 

 In herb. R. N. D., probably within limits. 



LAURACE^E. 



500. Sassafras officinale, Xees. Sassafras. 



"Common," (P. N. D. in herb.) Woods in lower Lacka- 

 wanna Valley and on Bald Mountain. Scarce east of 

 Dun more. 



501. Liudcra Benzoin, Meisner. Spice-bush. 



By road south of Lackawanna Station ; probably frequent. 



