Jan., 1910.] 
Meetings of the Biological Club. 
6 3 
Potentilla canadensis L. 
Ouercus palustris Du Roi. 
Rumex brittanica L. 
Salix nigra Marsh. 
Salomonia biflora (Walt.) Britt. 
Sisyrinchium angustifolium Miller. 
Sisyrinchium graminoides Bick. 
Sium cicutaefolium Gmel. 
Solidago nemoralis Ait. 
Sorghastrum avenaceum (Mx.) 
Nash. 
Tradescantia virginiana L. 
Trillium grandiflorum (Mx.) Salisb. 
Triplasis purpurea (Walt.) Champ. 
Viola pubescens Ait. 
Errata in Lists Previously published : 
Instead of Arenaria stricta Mx.. read Arenaria michauxii (Frenzl.) Hook f. 
Intsead of Geum virginicum L , read Geum canadense Jacq. 
Instead of Hordeum pusillum Nutt., read Hordeum jubatum L. 
Instead of Lathyrus venosus Muhl., read Lathyrus myrtifolius Muhl. 
Instead of Panicum atlanticum Nash., read Panicum villosisimum Nash. 
The plant in the Cedar Point herbarium labelled Rubus strigosus Mx. is 
Rubus occidentalis L 
Instead of Stipa spartina Trin., read Stipa spartea Trin. 
Instead of Xanthium canadense Mill., read Xanthium commune Britt 
MEETINGS OF THE BIOLOGICAL CLUB. 
Orton Hall, October 4, 1909. 
The meeting was called to order by the President, Miss 
Oetmers, and the minutes of the previous meeting were read 
and approved. 
The Chair appointed as a committee to serve on nominations, 
Prof. J. PI. Schaffner, Prof. C. S. Prosser, and Miss Kate Blair. 
Prof. Landacre moved that the Executive Committee be 
instructed to ask Prof. G. W. Knight to talk, at the December 
meeting, upon the Darwin Centenary at Cambridge, England. 
Motion carried. 
The program consisted of reports of summer work bv the 
members. 
Prof. J. H. Schaffner worked at the Lake Laboratory in the 
early part of the summer, and in conjunction with Prof. M. E. 
Stickney, and Miss Clara A. Davies added about eighty plants to 
the Cedar Point list. After returning, he did some work on 
leaf markings. 
Prof. F. L. Landacre spoke of the work of the Lake Lab- 
oratory. 
Prof. Hambleton spent part of the summer at the Lake Lab- 
oratory, and collected Hymenoptera. He also worked out the 
life history of Corizus lateralis. 
Prof. W. C. Morse finished his work on the Waverly for- 
mations of Eastern Kentucky, and also worked on the Maxville 
limestone. 
