Cardamine hulhosa BSP., spring cress. 



* " Douglasii Britton, spring cress. 

 Geum canadense Jacq., avens. 



" Virginianum L., avens. 

 Desmodium grandiflorum DC, tick- trefoil. 

 Apios tuberosa Moench, groundnut. 

 Amphicarpa monoica Ell., hog peanut. 

 Floerkea proserpinacoides Willd., false mermaid. 

 Impatiens biflora Walt., jewel weed. 

 Hibiscus Moscheutos L., swamp rose mallow. 



" militaris Cav., halberd-leaved rose mallow. 



* Viola cucullata Ait., blue violet. 



* " sororia Willd,, blue violet. 



" pubescens Ait., yellow violet. 



Circaea lutetiana L., enchanter's nightshade. 



Aralia nudicaulis L., wild sarsaparilla. 

 *Sanicula marilandica L., sanicle. 



Osmorhiza Claytoni Clarke, sweet Cicely. 

 " longistylis DC, sweet Cicely. 

 *Cryptotaenia canadensis (L.) DC, honewort. 



Heracleum lanatum Michx., cow-parsnip. 



Chaerophyllum procumbens Crantz. 



Angelica atro purpurea L., angelica. 



Lysimachia Nummularia L., moneywort. 

 *Steironema ciliatum Raf., fringed loosestrife. 



Aschpias phytolaccoides Pursh, poke milkweed. 



Convolvulus septum L., bindweed. 



Ipomea pandurata L., man-of-the-earth. 



Cuscuta Gronovii Willd., dodder. 



* Phlox divaricata L., blue phlox. 

 Polemonium reptans L., Jacob's ladder. 

 Hydrophyllum macro phyllum Nutt., waterleaf. 



" virginianum L., waterleaf. 



" appendiculatum Michx., waterleaf. 



Ellisia Nyctelea L. 

 Phacelia bipinnatifida Michx. 



Mertensia virginica Link., Virginia cowslip or bluebells. 

 Teucrium canadense L., American germander. 

 Scutellaria lateriflora L., skullcap. 

 Stachys palustris L., woundwort. 

 Lycopus virginicus L., bugleweed. 

 Sicyos angulatus L., bur-cucumber 

 Echinocystis lobata T. & G., wild balsam-apple. 

 Campanula americana L., tall bellflower. 

 Lobelia siphilitica L,, great lobelia. 

 Eupatorium purpureum L., Joe-Pye weed. 

 Silphium perfoliatum L., cup-plant. 

 Ambrosia trifida L., great ragweed. 



" arlemisiijolia L., common ragweed. 



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