1909] Flora of the Boston District, — IV 79 
ORCHIS. 
О. spectabilis L. Rich woods and swamps, very rare. Oak Island, 
Revere (E. H. Hitchings, 1874; A. W. Cheever, May 21, 1904); 
“Cambridge (T. W. Harris in Hovey's Mag., VI., 245). Concord, 
introduced from Vermont by Minot Pratt. May. Very rare." 
(according to Dame & Collins, Fl. Middlesex Co. 102. 1888); Han- 
over (according to Baldwin, Orchids of N. E. 136. 1884). 
POGONIA. 
P. ophioglossoides (L.) Ker. Wet meadows and bogs, common 
throughout. 
P. verticillata (Willd.) Nutt. Rich moist woods. Lowell (Miss К. 
Hill, no date); Lynnfield (E. Н. Hitchings, 1890); Purgatory 
Swamp, Norwood (E. H. Hitchings, May 30, 1878. Specimen in 
Gray Herb.); Milton and Quincy (collected by many botanists for 
many years); printed records from nine other widely scattered stations, 
mostly north of Boston. 
SPIRANTHES. 
S. Beckii Lindl. Dry soil. Holbrook (4. Clark, Sept. 12, 1900); 
Short St., Easton (4. A. Eaton, Sept. 2-12, 1903); North Easton 
near the Sharon line (O. Ames, Aug. 25, 1906). Material from all 
these gatherings now in herb. Oakes Ames. See Ames, Orchidaceae, 
fasc. i. 125. 1905. 
S. cernua (L.) Richard. Wet fields and meadows, common through- 
out. 
S. cernua (L.) Richard, var. ochroleuca (Rydb.) Ames. In dryer 
soil than the typical form of the species, and apparently as gener- 
ally distributed. 
S. gracilis (Bigel.) Beck. Dry fields and pastures, rather common. 
x S. intermedia Ames. Dry fields, Easton (A. A. Eaton, Sept. 8, 
10, 1903. Specimens in herb. О. Ames. See Ames, RHODORA, v. 
261—263. 1903 and Ames, Orchidaceae, fasc. 1. 153. 1905). 
S. lucida (H. H. Eaton) Ames. Martin's Pond, North Reading 
(collector unknown, Aug. 8, 1882. Specimen in herb. N. E. Bot. 
Club, ex herb. W. H. Manning). See Ames, l. c. 144; Lynnfield and 
Newton (according to Baldwin, Orchids of N. E. 139. 1884). 
