n 



^ Volume 40 March-April, 1940 Nurfiber 2 



S 



TORREYA 



A Bi-MoNTHLY Journal of Botanical Notes and News 



EDITED FOR 



THE TORREY BOTANICAL CLUB 



BY 



GEORGE T. HASTINGS 



John Torrey, 1796-1873 



CONTENTS 



A Shady Lane Grace L. Clapp 29 



Further Notes on Communities of Blue-Green Algae. Helen Foot Buell 32 



Algal Communities in Tully Lake George T. Hastings 33 



Guide to the Lichens of the New York Area — Part 6 G. G. Nearing 34 



Pronouncing Lichen Names W. L. Dix 39 



Local Flora Notes 



New Plant Immigrants in the New York Area Mark Holtzoff 43 



Some Uncommon Adventives in Berks County, Pennsylvania 



Hans Wilkens 44 



Extension of Range of Cladonia floridana Daniel Smiley 45 



Cladonia alpestris near Lake Shehawken W. L. Dix 45 



Book Reviews 



McMinn's California Shrubs G. T. Hastings 46 



Quick's Wild Flowers of the Northern States G. T. Hastings 47 



Fred, Baldwin and McCoy, Supplement to Root Nodule Bacteria 



G. T. H. 48 



Report of the Field Committee John A. Small 49 



Field Trips of the Club 51 



Proceedings of the Club 56 



News Notes 62 



PtJBLISIIED FOR THE ClUB 



By the Frke Tress Printing Comi'any 

 187 College Street, 1?urlington, Vermont 



Entered as second class matter at the post office at Burlington, Vermont, 

 October 14, 1939, under the Act of March 3, 1S79 



