178 
FRANK C, GATES 
Erigeron canadensis L. {Leptilon cana- 
dense Britton). 
Erigeron ramosus (Walt.) B.S.P. 
Fagus grandifolia Ehrh. 
Fragaria virginiana Duchesne. 
Gaultheria procumbens L. 
Habenaria obtusata (Pursh) Richards. 
(Lysiella obtusata Richards.). 
Hieracium scabrum Michx. 
Hieracium venosum L. 
Larix laricina (DuRoi) Koch. 
Ledum groenlandicum Oeder. 
Lepidium virginicum L. 
Maianthemum canadense Desf. {Uni- 
folium canadense Greene). 
Medeola virginiana L. 
Melampyrum lineare Lam. 
Mitella nuda L. 
Moneses uniflora (L.) A. Gray. 
Oryzopsis asperifolia Michx. 
Panicum xanthophysum A. Gray. 
Picea mariana (Mill.) B.S.P. 
Pinus resinosa Ait. 
Pinus strobus L. 
Pirola asarifolia incarnata (Fisch.) Fer- 
nald (variety not given in Britton and 
Brown). 
Poa pratensis L. 
Populus grandidentata Michx. 
Populus tremuloides Michx. 
Carthage College, 
Carthage, Illinois. 
Prunus pennsylvanica L.f. 
Pteris aquilina L. {Pteridium aguilinum 
Kuhn). 
Quercus rubra L. 
Rhus glabra L. 
Rubus allegheniensis Porter. 
Rubus idaeus aculeatissimus (C.A.Mey.) 
Regel & Tiling {Rubus strigosus M iehx. ) . 
Rubus triflorus Richards. 
Rumex aceto sella L. 
Salix ro strata Richards. {Salix bebbiana 
Sarg.). 
Smilicina stellata (L.) Desf. {Vagnera 
stellata Morong). 
Solidago canadensis L. 
Streptopus amplexifolius (L.) DC. 
Streptopus longipes Fernald. (Included 
with the following species in Britton 
a id Brown). 
Streptopus roseus Michx. 
Thuja occidentalis L. 
Tilia americana L. 
Trientalis americana (Pers.) Pursh. 
Trillium grandiflorum (Michx.) Salisb. 
Tsuga canadensis (L.) Carr. 
Vaccinium oxycoccus L. {Oxycoccus oxy- 
coccus MacM.). 
Vaccinium pennsylvanicum Lam. {Vac- 
cinium angustifolium Ait.) 
Viburnum acerifolium L. 
LITERATURE CITED 
1. Gleason, H. A. and Gates, F. C. A Comparison of the Rates of Evaporation in 
Certain Associations in Central Illinois. Bot. Gaz. 53: 478-491. 1912. 
2. Fuller, G. D. Evaporation and Soil Moisture in Relation to the Succession of 
Plant Associations. Bot. Gaz. 58: 193-234. 1914. 
3. Weaver, J. E. Evaporation and Plant Succession in Southeastern Washington 
and Adjacent Idaho. Plant World 17: 271-294. 1914. 
4. Gates, F. C. The Vegetation of the Region in the Vicinity of Douglas Lake, 
Cheboygan County, Michigan, 1911. Rep. Mich, Acad. Sci. 14: 46-106. 
1912. 
5. TranseaU; E. N. The Relation of Plant Societies to Evaporation. Bot. Gaz. 
45:217-231. 1908. 
