250 THROUGH GLADE AND MEAD. 
as described in Gray’s Manual. It would not be at all 
surprising if the remaining species, which is found in 
Rhode Island and southward, should soon be found here 
also. 
Heliopsis levis, Pers. has come hither from further 
west, presumably in grass-seed, but has evidently come 
to stay, like Rudbeckia and others of its kin. Galinsoga 
parviflora, Cav. is an immigrant recently arrived from 
tropical America. Its coming into various parts of the 
country has been duly noted in the botanical journals. 
It is a weed, generally found about gardens now in the 
northern states. I made my first acquaintance with it 
one October, when I found it growing in the middle of 
a path through woods at least half a mile from any 
house and in a very quiet and secluded spot. I had 
often passed over that path in former years at all times 
of the year, but had not before detected the presence 
of Galinsoga. It was evidently a new arrival and, 
though a native of the sunny South, has been able to 
adapt itself in the struggle for existence to the changed 
conditions. 
Parnassia and Spiranthes and Gentiana are three 
of the showy and attractive flowers of this time. There 
is a delicacy about the first two which makes them 
much sought after when once known. The closed 
flowers of the latter, bronzy-blue, have a special inter- 
est in connection with the subject of cross- and self- 
