54 [ ASSEMBLY 
Barbarea vulgaris, 2. Br. 
This plant is very abundant on the low lands between Utica and 
Rome. It takes possession of pastures and cleared lands and rivals 
the common yellow buttercups in profusion. Its vigorous and abun- 
dant growth give it the appearance of an introduced plant and make 
it worthy of classification among our noxious weeds. Variety arcuata 
occurs along shaded streams in Sandlake. 
Arabis lyrata, L. 
The usual habitat of this plant is on rocks and precipices, but fine 
specimens were found growing in a sandy field near Albany. 
Camelina sativa, lL. 
Abundant in wheat fields near Bergen. June. An introduced and 
troublesome weed. 
Viola cucullata, A7t. 
A peculiar form of this very variable species grows in Bergen 
swamp. The leaves are very small, about half an inch broad, the 
peduncles are elongated and the lateral petals are whitish at the base. 
Prunus serotina, Hirh. 
The black cherry is very abundant about Southfield, Orange county, 
where it blossoms profusely even when a mere shrub in size. The 
choke cherry is also common here. It blossoms two or three weeks 
earlier than the black cherry. 
Cephalanthus occidentalis, Z. 
The leaves are usually opposite or ternate, but sometimes there are 
four in a whorl. 
Crantzia lineata, Nuit. ' 
Specimens of this rare plant were sent from Wading River by Z. S. 
Miller. 
Epilobium hirsutum, L. 
This introduced plant is gradually spreading. Itisin North Green- 
bush, G. W. Clinton, and at Dunsback Ferry, near Cohoes. 4. C. 
Gordinier. 
Petasites palmata, (ray. 
This rare species has been found in a sphagnous marsh in Sandlake. 
Gordimer, It also occurs sparingly in a marsh near Guilderland 
Station, in Albany county, but here it is in danger of extermination 
as the marsh will probably be soon cleared for cultivation. 
Senecio aureus, L. 
Variety Balsamite was found in dry rocky places at Southfield. 
Vaccinium Pennsylvanicum, Lam. 
The black-fruited form, variety nigrum, is not rare in the town of 
Day, Saratoga county. In one locality on the top of a mountain it 
