62 Rhodora [APRIL 
have a north-south distribution through the district, but this is doubt- 
less more apparent than real. The genus has been little collected 
in the region except by Tuckerman, Boott, and others, who have 
lived in the neighborhood of Boston. When the western portions of 
the district have been thoroughly explored, they will probably yield 
a fair quota of species of this genus. 1. lacustris L. and I. riparia 
Engelm. have been reported in the district, but I have personally 
examined material of all the collections referred to these species and 
find it to belong to other species.— A. A. EATON.) 
TAXACEAE. 
TAXUS. 
Т. canadensis Marsh. Cold woods; abundant at a few stations. 
PINACEAE. 
PINUS. 
P. Strobus L. Common. The best specimens are those in the 
Appalachian Club Reservation at Carlisle, where the forest has 
never been cut off. 
P. rigida Mill. Dry sterile soil, very abundant throughout. 
P. syvesrris L. Escaped from cultivation; Danvers (John Robin- 
son, Flora of Essex Co., 1880); ''trees of all sizes, and some 
escaped into the roadside, sandy soil" Newburyport, (Raynal 
Dodge); "very rare in mixed woods," Belmont (A. H. Moore). 
P. resinosa Ait. Dry soil; found sparingly as far south as Chestnut 
. Hill, Brookline. 
LARIX. 
L. laricina (Du Roi) Koch. Cold swamps, not common. 
L. pecrpua Mill Self-sown in Hemenway place, Canton (Е. F. 
Williams). 
