166 [Assembly 



Polygonum, (continued.) 



Var. 2. emersum, Michx. P. coccineum, Willd. Margin of 



ponds and rivers . August-September . 

 Var. 3 . strigosum. Head of Seneca lake . Dr. Gray . 

 Var. 4 . acuminatum. Cayuga lake . Dr. Aikin . 

 pennsylvanicum, L. Borders of fields, wet thickets, &c . July- 

 August . 

 § orientale, L. Prince 's Feather . Cultivated grounds . July- 

 September . 

 sagittatum, L. Wet thickets . August . 

 f arifolium, L. Wet thickets and river banks . August . 



scandens, L. Climbing Buckivheat . Shady thickets, &c . Aug. 

 § convolvulus, L. Black Bindweed. Cultivated grounds , July. 

 § fagopyrum, L . Buckwheat . Fields . Scarcely naturalized . 



September . 

 cilinode, Michx . Rocky thickets, northern counties . July . 



Rumex, L. Dock. 



§ crispus, L. Curled Dock . Fields . June-July . 



§ obtusifolius, L. Fields and borders of woods . June- July . 



verticillatus, L. Swamps. June- July. 



britannica, L. Yellow-rooted Water Dock . Swamps. June- 



July. 

 § acetosella, L. Sheep Sorrel. Fields and roadsides. May- 



July. 



Order LAURACEiE. The Cinnamon Tribe. 



Laurus, L. 



benzoin, L. Wild Allspice, Fever Bush, Benjamin Tree. 

 Swamps . April . 



sassafras, L. Common Sassafras. Woods. April. 



Order ELEAGNACEvE. The Oleaster Tribe. 



Shepherdia, Nutt. 



canadensis, Nutt . Rocky banks of streams and lakes, northern 

 and western counties . May . 



