BILLINGS. — PLANTS. 11 



ARISTOLOCHTACE./E. 



Asarum Canadense, L May 22. 



CHENOPODIACE^E. 



Blitum capitatum, L June 22. 



Cbenopodium album, L July 14. 



" hybridum, L do. 



AMARANTACE^E. 



Amarantus retroflexus, L July 21. 



POLYGONACE-ffi. 



Rumcx verticillatus, L June 22 to 30. 



" crispus, L do 



Polygonum aviculare, L July 7. 



persiearia, L July 14. 



nodosum var. incarnatum, Pers July 28. 



Pennsylvanicum, L do 



amphibium. L August. 



hydropiper, L do 



acre, H.B.K do 



arifolium, L do 



sagittatum, L do 



cilinode, Michx do 



THYMELEACE^;. 



Direa palustris, L April 2G. 



ELiEAQNACE^E. 



Shepherdia Canadensis, Nutt April 2C. 



SANTALACEiE. 



Comandra umbellata, Nutt .June 5. 



EUPHORBIACE^E. 



Euphorbia Helioscopia, L July 21. 



" maculata, L . ; .July 31. 



Aealypha Virgioica, L do 



