ERRATA. 



The distance separating the publisher, editor and author made! it impossible 

 forthe author to see all of the proofs, so there are several mistakes in the list. 

 Those noted are as follows : 



Page 3, line 3, from the bottom and elsewhere, for Berkley read Berkeley. 



Page 1-2, line 16, omit parenthesis from Macbr. 



Page 24, line 17, for ellish read ellisii. 



Page 25, line 8 from bottom, for Pinuailvestris read Pinus silvestris. 



Page 26, line 3, for Sambusus read Sambucus. 



Page 27, line 8 from bottom, for ) read E. 



Page 28, line 1, for rubri read rubi. 



Page 30, line 2, omit comma after Cornus. 



Page 31, line 17, for syringa read Syringa. 



Page 32, line 17, for ellish read ellisii. 



Page 38, line 20, for tremuloids read tremuloides. 



Page 49, line 2 from bottom, for ellish read ellisii. 



Page 53, line 6 from bottom, for rontundifolia read rotundifolia. 



Page 68, line 7 from bottom, for leve read Iceve. 



Page 68, line .' from bottom, for oakesh read oakesii. 



