248 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
Woods; common. Very variable in height and size of flowers, 
perhaps ineliuHng more than one species. 
H. lacera (Michx.) R. IJr. Ragged Fringed Orchis. — {Blephari- 
glottis lacera 111. Fl. ed. 2.) 
Wet meadows; frequent. On Greylock in clearings over 3000 feet 
(Andrews). 
H. macrophylla Goldie. — Rich woods. Savoy; . Lanesboro 
(rhm-ehiii); Dalton (Lincoln); Sandisfield. 
H. obtusata (Pursh) Richards.— {Lysiella obtusata 111. Fl. ed. 2.) 
Bog, Hinsdale (H. L. Moody). 
H. orbiculata (Pursh) Torr. Large Round-leaved Orchis. — 
{Lysias orbinilata 111. Fl. ed. 2.) 
Rich woods; frequent. 
H. psycodes (L.) Sw. Smaller Purple Fringed Orchis. — 
{Blepharighftis psycodes 111. Fl. ed. 2.) 
Swamps and wet meadows; common. Altitude 2000 feet, Hancock. 
A form with pale sepals from Becket. A spike from Sheffield with 144 
flowers. 
forma albiflora, f. nov. — CoroUis albis. Flowers white. 
Type in N. E. B. C. herbarium, collected in Stockbridge, August 12, 
1914 (R. Hoffmann). 
LIPARIS. TWAYBLADE. 
L. liliifolia (L.) Richard. — Rich woods in the western part of the 
valley; occasional. Williamstown, lower wooded slope of Greylock 
(Andrews); Stockbridge (Miss Helen Kobbe); West Stockbridge; 
Alford; Mt. Washington (Walters). 
L. loeselii (L.) Richard. — Bogs and wet roadsides; frequent. 
MICRO ST YLIS. Adder's Mouth. 
{Malaxis 111. Fl. ed. 2.) 
M. monophyllos (L.) Lindl. — Cold bogs; occasional. Williams- 
town, upper wet slopes of Greylock, also in one dry grass-covered 
meadow (Andrews); North Adams (White); Pittsfield; Stockbridge. 
M. unifolia (Michx.) BSP. — Bogs, wet woods, or dry slopes and 
ledges; frequent. 
