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pool, inhabited by the bulrush (Scirpus cen and the three- 
square rush (Scirpus americanus), and bounded by a broad 
beach but little above the lake level. This beach f natural 
botanical a eee n, which is particularly gay wi ith flowers during 
late sum Of the numerous species represented, three 
deserve meee mention. Around the scattered rocks piled on 
the beach are small mats of Selaginella apus, fr eae associ- 
inoides 
sen pains the rocks ate thousands of pale yellow. -green 
aes of spethcen Aiseibition 
Encroachment of the forest on the ne oe Deeins with the 
appearance of the shrubby y along 
the curving lines of ee boulders, gees the limit of wave 
nae ice action at some former time ese are soon followed 
by the arbor-vitae, while a t Gligeme area still remains back of this 
eae ridge, slightly lower in general elevatio’, Jp oe of ie 
forest proper. The formation his narrow | 
the exclusion: of wave action, and its colonization by Ps ants, re- 
presents in a small way the past histor of the larger post-Nipis- 
sing beach ridges apelin ne 
One object in the trip to th e preserve was the findin 
of plants of tne lake- Pee iris s (ris a) in ete vata 
habitat. They were found, growing by with thei 
narrow green leaves so close together that the plant formed an 
actual sod on the ground. Contrary to expectations, this dwarf 
seen, but itis said to flower abundantly. A 1 of specimens 
we ly transplanted to New e now gro in 
the herbaceous collection at the Botanical Gard 
Completely surrounded by coniferous forest of the re- 
r any 1 ‘et 
small tract of beech-maple forest, with a total area not.exce a ng 
forty acres. The herbaceous species 7 this forest are few in 
number and many of th 
of the usual type are absent. Several of those present belong 
rather in the surrounding arbor-vitae forest, and the others, 
