1903] Rand,— Observations on Echinodorus parvulus 83 
season. In July, 1902, the plants were fairly abundant in the same 
field. 
H. hyperborea, R. Br. In a swamp near the Plains, also in one 
swamp two miles farther south. 
4H. dilatata, Gray. Plenty on a bog in an open grassy space near 
the Plains. 
fT. obtusata, Richard. Abundant in a cold wooded swamp near 
the Plains. 
H. Hookeri, Torr. In dry woods near North Chesterville, also on 
the side of the Ridge. 
H. orbiculata, Torr. Not uncommon in rich woodlands. 
H. blepharigiottis, Torr. Plenty in two bogs, a few plants having 
been found on a third. 
ff, lacera, R, Br. Frequent in old fields. 
H. psycodes, Gray. Fairly common in meadows and roadside 
ditches. 
H. fimbriata, R. Br. Very abundant in wet soil in open woods. 
I have also found the pale and white forms. 
Cypripedium pubescens, Willd. Occasional in wet woods. 
C. acaule, Ait. Common in evergreen forest. 
SOUTH CHESTERVILLE, FRANKLIN Co., MAINE. 
OBSERVATIONS ON ECHINODORUS PARVULUS. 
Epwarp L. RAND. 
(Plate 45, figures 4 and 5.) 
WINTER Ponp in Winchester, near Boston, Massachusetts, has 
long been known as a station for the rare little plant, EcAznodorus 
parvulus, Engelm. Of late years, however, for one reason or another, 
the plant has not often been found here by botanists, so that some 
question had arisen whether it had not become very scarce or per- 
haps disappeared. Such, fortunately, has proved not to be the case, 
for on October 13th, 1901, and subsequently, Mr. E. F. Williams 
and I found it in abundance. Our first trip to the pond, although 
late in the season was well timed. Very little rain had fallen for 
several weeks, and in consequence, the water in the pond was, I 
