S3 



GENUS COVERS. 



10-21 GENUS COVERS, Gray Herbarium Standard. {Form- 

 erly 22ar), unfolded sheets 16^ by 24 inches, 80 lb. Oak 

 Tap; highest quality, wrapped in packs of 100 sheets. 



PRICE — Quire. $0.50. 100 f beets. $2.30. 



{Special quotations on large quantities ) 



CAMBRIDGE BOTANICAL SUPFLY COMPANY, 



CAMBRIDGE, MASS., U. S. A. 

 EVERYTHING USEFUL IN FIELD, HERBARIUM CR CLASS ROOM. 



