312 PROCEEDINGS: BOSTON SOCIETY NATURAL IIIST(JRY. 
PYROLA. Wintergreen; Shin Leaf. 
P. asarifolia Michx., var. incarnata (Fisch.) Fernald. — Cold 
shaded 1)(>K> Slockbridge. 
P. chlorantha Sw. — Leaves rounded to base and apex, rather 
numerous (4 to 11) in a rosette {vid. Rhodora, 22: 51, 1920). 
Woods, often near swamps; common. 
var. paucifolia Fernald. — (P. chlorantha Man. ed. 7 in part.) 
Leaves mostly cuneate at base and truncate or sub-truncate at 
summit; somewhat flabelliform-obovate, few (1 to 7 or even wanting) 
in a rosette {vid. Rhodora, 22: 51, 1920). 
Great Harrington. 
P. elliptica Nutt. Woods; common. 
P. rotundifolia L., var. americana (Sweet) Fernald. Round- 
leaved Shin Leaf. — (P. americana ^lan. ed. 7 and 111. Fl. ed. 2; vid. 
Rhodora, 22: 122, 1920.) 
Dry open woods; common in the valley, occasional on the plateau. 
Altitude 2000 feet, Florida. 
P. secunda L. — W oods; common. 
var. obtusata Turcz. — Cold bogs, in sphagnum ; rare. Stock- 
bridge; Sandisfield. 
RHODODENDRON. 
{Azalea 111. Fl. ed. 2 in part.) 
R. canescens (Michx.) G. Don. Pink Azalea. — {A. canescens 
111. Fl. ed. 2.) 
W^oods, upland pastures and swamps; common. 
R. maximum L. Great Laurel; Rose Bay. — Sw^amps. 
W'illiamstown (Oakes); Washington (altitude 1750 feet); Richmond. 
The Richmond station has been destroyed by gardeners from the 
Lenox estates who have dug up the plants. Nothing is known of the 
Williamstown station excepting a sheet in the herbarium of the Boston 
Soc. Nat. Hist, labelled " Williamstown, Oakes." 
R. nudiflorum (L.) Torr. Pink Azalea. — {A. nudiflora 111. Fl. 
ed. 2.) 
Swamp, Sheffield; Mt. W'ashington (Churchill). 
VACCINIUM. Blueberry; Cranberry. 
V. atrococcum (Gray) Heller. Black High Blueberry. — 
Swamps and upland pastures; frequent, especially on the plateau. 
