84 THROUGH GLADE AND MEAD. 
it is distributed over the entire extent of every conti- 
nent.” We are not surprised, therefore, to find it hov- 
ering over these wayside thistles (Czzcus lanceolatus, 
Hoffm.). It is one of our favorite butterflies, being 
associated in our thoughts with its kindred Cynthia 
fluntera, Fab., Vanessa Antiopa, L., Nymphalis Ar- 
themis, Drury, and the rare White Mountain butterfly 
(Hipparchia semidea, Say), which we once saw on the 
summit of Mount Washington a few years ago. The 
butterflies, both by their numbers and by their beauty, 
add something to the charms of summer which we can- 
not fail to appreciate. . 
Although most of the trees and shrubs bloom 
early, there are yet a few which seem to linger so that 
each month may have its share of them. Largest of 
these is the chestnut (Castanea sativa, Mill., var. Amer- 
icana, Gray) conspicuous far and near by its long 
yellowish catkins, relieved by the dark green foliage, 
attractive in flower and in fruit. At first sight the 
woods, when these trees are in flower, seem to be com- 
posed almost entirely of chestnut-trees, but a closer 
inspection shows there is a wonderful variety. In the 
open pasture where it has had a chance to grow at will, 
the chestnut is often a stately tree. 
All our sumachs may be found in bloom this 
month, although some of them first open their flowers 
in June. At their head comes the poison ivy (Rhus 
