26* XVIII. 
common in the upland woods.—C. porcina, Nutt. ; common 
everywhere.—C, amara, Nutt. ; not frequent in our swamps. 
CAPULIFER#. 
Quercus alba, L.; common.—Q. bicolor, Willd. ;. common.—QqQ. 
Prinus, L. ; scarce on southern part of Stissing Mt.; Var. monti- 
cola, Michx.; common on Stissing Mt. and the upland woods,— 
Q. prinoides, Willd. ; abundant on Stissing Mt., Mill: Hill, ete. 
—Q. ilicifolia, Wang. ; common.—Q. coccinea, Wang.; com- 
mon; Var, tinctoria; not scarce-—Q. rubra, L.; common,—Q. 
palustris, Du Roi; not very frequent. ; 
Castanea vesea, L.; very common. 
Fagus ferruginea, Ait.; common. 
Corylus Americana, Walt.; common.—C. rostrata, Ait. ; common 
on Mountain, and borders of rocky woods. 
Ostrya Virginica, Willd. ; common. 
Carpinus Americana, Michx.; very common. 
Myricaces, 
Myrica Gale, L.; rather uncommon; along Wappinger’s Creek, 
Husted and Sackett marshes; abundant around Grass Pond 
on Mountain. 
Comptonia asplenifolia, Ait. ; common. 
BETULACE®. 
Betula lenta, L.; common.—B. lutea, Michx., f. ; quite common ; 
abundant in many of the moist woods, and particularly in the 
deep ravines of the Mountain.—B. alba, Var. populifolia, 
Spach.: very common.—B. papyracea, Ait ; decidedly com- 
mon; the prevailing White Birch on Stissing Mt., and on many of 
our other high cold hills.—B. nigra, L. ; not frequent ; along one 
or two of our large creeks; Roelif Jansen’s Kill.—B. pumila, 
L.; marsh west of Croghan Hill; Wappinger’s marshes; 
marsh along R. R. track, N. E. of Leander Smith’s place; 
-Marshall’s Cranberry Marsh, on Carpenter Hill, ete. This rare — 
species is very abundant in the great marshes and bogs about 
Pine Plains, and its haunts, or habitats, are usually those of 
Valeriana sylvatica, Lobelia Kalmii, Cypripedium spectabile, 
etc. Like Valeriana sylvatica of these marshes, it here gen- 
erally assumes a very luxuriant form, frequently growing to 
the height of 12 to 15 ft., but averaging usually from 6 to 10 ft. 
Alnus incana, Willd.; common; abundant along our ponds, 
‘Streams and in our cold swamps.—A. serrulata, Ait. ; rather 
more common than preceding ; the two species are very easily 
distinguished from each other, even after the leaves have fallen, 
by the different appearance of their bark. ; 
SALICACER. 
Salix candida, Willd.; abundant in all the bogs and marshes in 
which Valeriana is found.—S. humilis, Marshall; common in 
all our dry woods.—S. discolor, Muhl.; common.—S. sericea, 
Marshall; quite common; along sandy banks of Trout Brook. 
Shekomeko Creek, etc.—S. cordata, Muhl.; common. —S. livida, 
_ Wahl., Var. occidentalis, Gray; rather common.—S. lucida, 
Muhl.; common along the creeks and smaller streams.—S. 
¥ 
