336 The Botanical Gazette. [October 
Yuccas and illustrations of thirteen of the species. Eleven plates are 
devoted to the display of such characters as enter into the delimita- 
tion of species, while twelve reproductions of photographs show finely 
the facies of the different species. A new Agave, A. Lingelmanni, is also 
described and figured. 
OPEN LETTERS. 
Who are biologists ? 
tests against the present unfortunate attitude assum zoologists in 
regard to the position of botany as one of th fe 
This question is one which vexes us here as well as elsewhere, but 
a disposition among some of the best of our zoologists here, to grant 
what we claim in this respect. The question is an important yout 
many ways, and it has occurred to once, that it wo 
Were action taken by them in this case, and their positi ttling 
maintained, I think it would have considerable weight in sé 
important profession. 
portunity to bring this question forward and have it freely 
and the present is none too ear y to suggest such a movem 
| PENHALLOW, McGill University, Montreal. 
Variations of the strawberry leaf. aE 
The article of Mrs. Kellerman in the August number of poor” 
Suggests the following: In May, 1889, I noticed upon spe al fourth 
fragaria which were brought into the laboratory, addition ‘ 
and fifth leaflets upon the petiole below the normal leaflets. if 
to Bentham and Hooker, Genera Plantarum, under EF acts pil 
“Folia alterna, 3-foliata, rarissime foliolis paucts lateralibus ad Jes with 
nata v. ru 4iata.” | determined to search for more €x omnmon in 
a view of ascertaining whether the variation was rare OF © 
this localit 
in the vicinity of Willmette, we all so frequently found the dbe spoke® 
> , 899, < 
of as “not uncommon in this locality.” October 20, 109% "duct 
them plentiful at the side of the railroad north of the Ridge 
