marginale, Swartz. 



achrosticoides, Swartz. 



aculeatum, Swartz., var. Braunii, Koch. 

 Cystopteris bulbifera, Bernh. 



fragilis, Bernh. 

 Struthiopteris Germanica, Linn. 

 Onoclea sensibilis, Linn. 



var. obtusilobata, Torr. 

 Woodsia obtusa, Torr. 



Ilvensis, R. Brown. 

 Osmunda regalis, Linn. 



Claytoniana, Linn. 



cinnamomea, Linn. 

 Botrychium Virginicum, Swartz. 



lunarioides, Swartz.' 

 Ophioglossum vulgatum, Linn. 



LYCOPODIACE^E- 

 Lycopodium lucidulum, Michx. 



annotinum, Linn. 



dendroideum, Michx. 

 var. obscurum, Gray. 



clavatum, Linn. 



complanatum, Linn. 

 Selaginella selaginoides, link. 



rupestris, Spring. 



apus, Spring. 



Anemone nemorosa, Linn., var. quinquefolia, Gray. 



Aconitum reclinatum, Gray. 



Sisymbrium Thaliana, Gaud. 



Erodium cicutarium. L'Her. 



Dalea laxiflors, Pursh. 



Desmodium rigidum, D.C. 



Lespedeza capitata, Michx., var. angusti folia, Gray. 



Opuntia fragilis, Nutt. 



Missouriensis, D.C. 

 Aralia spinosa, Linn. 

 Viburnum prunifolium, Linn. 

 Liatris punctata, Hook. 

 Aster patens, Ait. 



dumosus, Linn. 

 Solidago bicolor, Linn., var. concolor, Gray. 



tenuifolia, Pursh. 

 Iva xanthiifolia, Nutt. 

 Heliantnus microcephalus, Torr. & Gray. 



tracheliifolius, Willd. 

 Hieracium venosum, Linn. 

 Sonchus arvensis, Linn. 

 Plantago lanceolate, Linn. 



