76 Rhodora [APRIL 
SISYRINCHIUM.! 
S. angustifolium Mill. Fields and meadows, apparently less 
frequent than the next species; 12 stations reported, running as far 
south as Milton and Hingham. 
S. atlanticum Bicknell. Wet meadows and grassy woodland, 
common throughout. 
8. gramineum Curtis. Charles River meadows in sphagnum, Ded- 
ham (H. H. Bartlett, July 4, 1907); dry scrub land, Franklin (E. F. 
Williams, June 17, 1897); Medford (R. Frohock, July 1, 1880); grav- 
elly shore of West Pickerel Pond, Middlesex Fells (Charles Eliot, 
July 21, 1895); just above tide limit, river bank, Newburyport (M. L. 
Fernald, October 2, 1902); among bushes in pasture, Scituate (G. G. 
Kennedy, July 3, 1899). 
ORCHIDACEAE. 
ARETHUSA. 
A. bulbosa L. Grassy and sedgy swamps and bogs, generally 
distributed throughout. 
CALOPOGON. 
C. pulchellus (Sw.) R. Br. Wet meadows, and grassy and sedgy 
swamps and bogs, generally distributed throughout. 
CORALLORRHIZA. 
C. maculata Raf. Saprophytic in woods, frequent northward, 
apparently rare in southern portion; the form with pale, unspotted 
lip, Milton (G. G. Kennedy, Aug. 4, 1894). 
C. odontorhiza Nutt. Saprophytic in rich woods. Waltham (Æ. 
H. Hitchings, Sept. 10, 1889. Specimen in herb. N. E. Bot. Club); 
"six plants were found near Overbrook Hill [Stony Brook Reservation] 
in 1878" (according to Deane, Fl. Metrop. Park Comm. 77. 1896); 
"'Rare. Rather plentiful on the east side of the Edwards’ Swamp’ 
(Tracy).” (according to Robinson, Fl. Essex Co. 109. 1880); Roxbury 
(according to Baldwin, Orchids of N. E. 143. 1884). 
1 The species of this genus have been studied so little since their segregation that 
there is need of much more collecting and careful determination, 
