404 



Salix glaucophylla Bebb. 



adenophylla Am. auth., not Hook. 



humilis Marsh. 

 Populus monilifera Ait. (P. deltoides Marsh). 



balsamifera L. 

 Juglans cinerea L. 

 Ostrya virginiana (Mill) K. Koch. 

 Betula payrifera Marsh. 

 Fagus ferruginea Ait. (F. grandifolia). 

 Quercus coccinea tinctoria A. DC. (Q. velutina Lam.). 



alba L. 

 Ulmus fulva Michx. 

 Celtis occidentalis pumila Muhl. 

 Sassafras officinale Nees and Eberm. 

 Hamamelis vii'giniana L. 

 Amelanchier canadensis (L) Med. 

 Prunus pumila L. 



virginiana L. 

 Ptelea trifoliata L. 

 Rhus canadensis Marsh. 



copallina L. 

 Acer saccharinum L. 

 Tilia americana L. 

 Cornus stolonifera Michx. 



florida L. 

 Fraxinus americana L. 

 Viburnam acerifolium L. 



The Range maps included for the distribution of some selected 

 species indicate the opportunity for .someone to make a careful collection, 

 an accurate determination and a report, covering one or more counties, 

 either to the State Board of Foi'estry or the chairman of the Committee 

 on the Indiana Botanical Survey. 



When reports for all counties are complete it will be intere.sting to 

 note from just what counties certain species are actually absent and to 

 seek the reason for thi.^ absence in terms of ecology or otherwise. 



Besides the matter of distribution in itself, I have endeavored to 



