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terms used, and an index. We say it is an excellent key, because 
we have tried it for several genera, and have found that it 
“works.” An especially valuable feature is the inclusion of cul- 
tivated genera such as Buxus, Torreya, Cercidiphyllum, Shep- 
herdia, Acanthopanax, Eucommia, Gordonia, Buddleia, Cory- 
lopsis, Maackia, Koelreuteria, and many others, which to a 
beginner are insurmountable stumbling blocks, since they are 
not included in most keys; and yet they do occur, some of them 
very commonly, in the parks and estates of the Northeast. 
ARTHUR H. GRAVES 
FIELD IRIPS OF THE CLUB 
FIELD Trip oF SuNDAY, May 17 
Our party of ten left the shores of Greenwood Lake at Lake- 
side, which lies at 620 feet elevation, the objective being Sur- 
prise Lake nestling above, to the westward, in a steep-sided de- 
pression, slightly over 1300 feet above sea level. Ascending the 
trail up the mountainside by easy stages, we paused halfway at 
the never-failing spring presided over by the three tupelos 
(Nyssa sylvatica) and then headed for Lookout Rock. An ideal 
day gave fine visibility from this vantage point, and the ex- 
tended panorama of rolling hills in all directions was indeed an 
inspiring sight. It was possible to discern several of the Catskill 
mountains far to the north, and in this way to orient the 
members of our group, most of whom were visiting the region for 
the first time. 
The forest rang with bird songs, the peak of the spring 
migration having been reached by this date. Many of the birds 
are, however, permanent residents of the region, notably the 
golden-winged warbler and the pileated woodpecker. Along the 
trail and in bloom were such members of the spring flower troupe 
as one‘commonly encounters over these hills—viz:—Pedicularts 
canadensis, Zizia aurea, Polygala paucifolia, Panax trifolium, 
Arisaema triphyllum, Aralia nudicaulis, Aquilegia canadensts, 
Trientalis americana, Smilacina racemosa, and also the much 
rarer Smilacina stellata. ; 
It is gratifying to note the steady increase of Cypripedtum 
acaule over the Bearfort, although but a few plants were actu- 
