ie 
The ferns and flowering plants of Nantucket—xIll 
EUGENE P. BICKNELL 
CLETHRACEAE 
CLETHRA ALNIFOLIA L. 
Abundant in low thickets and about the borders of ponds and 
pools. Flower buds in close green spikes July 14, 1912; some 
flowers remaining Sept. 14, 1907. 
PYROLACEAE 
PYROLA AMERICANA Sweet. 
Not common, but widely scattered on the island in dry thickets, 
less often in open ground. _Racemes of close buds June 15, 1911; 
precocious flowers in an open sunny spot June 23, 1910; first 
flowers July 2, 1912. 
PYROLA CHLORANTHA Sw. 
Found here and there in scattered colonies through the pine 
woods near the County Fair grounds and in open ground beyond 
towards the north, also still farther on among pines along the 
Wauwinet road; a few stunted plants among bearberry in open 
ground on Saul’s Hills. Flower buds June 5, 1911; in full flower 
June 17, 1908, June 18, 1910; past flowering July 9, 1912. 
CHIMAPHILA MACULATA (L.) Pursh. 
In pine woodland; common and of large size east of Hum- 
mock Pond and found locally eastward to the County Fair grounds. 
Flower buds ready to open July 9, 1912. 
CHIMAPHILA UMBELLATA (L.) Nutt. 
Not more common than the preceding and often growing with 
it but of freer range and occasionally met with on the open com- 
mons, as in the North Pasture and above the “Cliff” near “* Mon- 
salvat.” Just in flower July 9, 1912. 
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