PS eae 25% 
LAvURACES. 
Sassafras officinale, Nees. ; common. 
Lindera Benzoin, Meisner; rather common on Mountain and else- 
where. 
igh THYMELEACES. 
Diréa palustris, L.; frequent in our moist woods, but never abun- 
dant. 
SANTALACES, 
Commandra umbellata, Nutt. ; common. 
CERATOPHYLLACES. 
Ceratophyllum demersum, L.; common: in some of the stations in 
this district the plants appear to fruit very freely. 
CATLITRICHACE. ts, 
Callitriche verna, L.; not very common.—C. heterophylla, Pursh; — 
common,—far more so than preceding species. 
EvPHoRBIACE &. Oy 
Euphorbia maculata, L.; common.—E. hypericifolia, L.; common. — 
—E. Cyparissias, L. ; along roadsides ; the waste placesin Pine 
Plains Evergreen Cemetery are completely overrun by this 
. weedy immigrant. 
Acalypha Virginica, L, ; common. 
. Urticace 2. 
Ulmus fulva, Michx.; common.—U. Americana, L. ; common,—U, 
racemosa, Thomas; not very frequent. 
Celtis occidentalis, L.; rather common on Stissing Mt.; Var. crassi- 
folia; near Stissing, probably escaped from cultivation into 
copses. : 
Morus rubra, L.; frequent on Stissing Mt.—M. nigra, L.; running 
wild.—M. alba, L. ; this species with the preceding was largely 
planted 35 years ago, for the purpose of feeding silk-worms, 
into which enterprise—rearing silk-worms—one of the old 
citizens of this place embarked a large amount of capital. The 
trees are now everywhere springing up spontaneously, 
Urtica gracilis, Ait ; common.—U. dioica, L. ; sparingly introduced, 
Laportea Canadensis, Gaud.; common along the large streams, and 
in all our moist rich woods. 
Pilea pumila, Gray; very common. 
Beehmeria cylindrica, Willd. ; very common. 
Cannabis sativa, L.; scarce,—waste grounds of Evergreen Ceme- 
tery ; occasionally found in alluvial lands of Leander Smith, 
ete., along Wappinger’s Creek. It was many years ago largely 
cultivated for manufacturing purposes on some of these grounds. 
(G. M. Wilber.) 
Humulus Lupulus, L. ; common,—along Roelif Jansen’s Kill and the 
other creeks ; also on Stissing Mt. and along the border of the 
large swamps. It is certainly indigenous in Pine Plains. 
, PLATANACE&. 
Platanus occidentalis, L. ; common. 
- JUGLANDACE. . 
-Juglans cinerea, L. ; common.—J. nigra, L.; quite common. 
Carya alba, Nutt.; very common.—C. tomentosa, Nutt.; rather 
