188 PARASITIC PLANTS. 
This is one of the most common species of snail in New 
England, though occurring only in certain localities; it 
generally occurs in great numbers. It is found in forests, 
and sometimes in open fields in damp situations. On 
islands they often occur in the greatest profusion. When 
in captivity, they lie buried most of the time under the 
moist earth, and appear to suffer more from the want of 
moisture than other species. — To be continued. 
PARASITIC PLANTS. 
BY G. D. PHIPPEN. 
To persons familiar with the 
principles of cultivation, and 
with more or less knowledge of 
our native plants, the fact that 
there are tribes of plants in 
other regions of the earth, that, 
without any attachment what- 
ever to the soil, grow and pro- 
duce flowers of the most novel 
form and brilliancy of colors, 
seems wonderful in the ex- 
treme. Such are the Epi- 
phytes, or air-plants of the 
tropics, whose seeds, lodging 
on the branches of living or 
decayed trees, or even upon 
ga the very rocks, readily vege- 
tite, and draw from the surrounding atmosphere the con- 
stituents of their growth. 
This is accomplished chiefly Dont their roots, as in 
