MICHIGAN ACADEMY OF SCIENCE. 
153 
THE LOWLAND SERIES. % 
The lowlands are the lower knolls and the intervening valleys. The 
soil here is mostly gravel and sand, but is overlaid with vegetable mould 
and holds more or less moisture through the season so that there is a 
thin forest growth with abundant shrubs and underslirubs. it gradually 
merges into the flood plain. 
May 19th, 1912. 
Arisaema triphyllum. 
Juncoides campestre, Var. multiflorum. 
Juncoides saltuense. 
Vagnera stellata. 
Trillium grandiflorum. 
Salix discolor. 
Salix rostrata. 
Salix sericea. 
The last two species also on the plain. 
Fagus grandifolia, Var. Caroliniana. 
Claytonia Virginica. 
Cerastium vulgatum. 
Also on the upland pasture. 
Anemone quinquefolia. 
Ranunculus abortivus. 
Ranunculus septentrionalis. 
Podophy 1 1 um pel tatu m . 
Also on the plain. 
Bursa Bursa-pastoris. 
Also on the upland pasture. 
Cardamine bulbosa. 
Tiarella cordifolia. 
Prunus Yirginiana. 
Zantlioxylum Americanum . 
Also on the plain. 
Viola papilionacea. 
A'iola scabriuscula. 
Viola sororia. 
Phlox divaricata. 
Veronica arvensis. 
Also on the upland pasture. 
June 2nd. 
Adopogon V irgi n i cum. 
Senecio aureus. 
June 9th. 
Carex leptalea. 
Asparagus officinalis. 
Also on ihe tamarack swamp and on the plain. 
Fragaria Americana. 
Cornus stolonifera. 
This is found also in the tamarack swamp and on the plain. 
June lltli. 
Carex cephalophora. 
Carex granularis. 
