BICKNELL: FERNS AND FLOWERING PLANTS OF NANTUCKET 421 
POLYGALACEAE 
POLYGALA CRUCIATA L. 
One of the commonest plants of sandy open bogs, often 
abundant in sphagnum about the borders of ponds. In full 
flower in August and September. 
POLYGALA VERTICILLATA L. 
Dryish sandy places in low grounds, scarce. Little Neck; 
roadside at Eatfire; Coskaty. In full flower at the middle of 
September. 
POLYGALA VIRIDESCENS L. . 
Low grounds, rare. Roadside along Trot’s Swamp, Aug. 16, 
1906, in full flower; near Bache’s Harbor, in full flower, Sept. 17, 
1907. This species is given in Mrs. Owen's catalogue without 
mention of any locality. 
POLYGALA POLYGAMA Walt. 
One of the characteristic plants of the island, widely dissemi- 
nated over the moorland and commons and flowering from the 
middle of June until the middle of September. White flowers are 
het rare. Flower buds showing pink June 10, 1911, June 11, 1908; 
first flowers June 15, 1908, June 15, 1910; Tuckernuck, June 17, 
IQIr, 
EUPHORBIACEAE 
EvPHorBIA POLYGONIFOLIA L. 
In white sand along the beaches and back among the dunes; 
common. Plants very small but recognizable June 25, 1910; just 
flower July 13, 1912; in full flower through September. 
EvPHorBra MACULATA L, 
Not uncommon about the shores of Miacomet Pond; met with 
elsewhere only at a few stations not far from the town. Just in 
er July 2, 1912. In full flower through September. 
EvPHoRBrA PreEsiit Guss. ) 
Reported by Mrs. Owen as having been found by Judge 
Churchill and Mr. Deane by the railroad track near the town— 
to ay @ casual introduction only, since no one else seems ever 
ve met with it. 
