CATALOGUE OF PLANTS. 
157 
PONTEDERIACE^. Pickekel-weed Family, 
PONTEDERIA, L. Pickerel-weed. 
y '~f P. cordata, L. 
Streams a^d muddy pond shores; common. Forms are some¬ 
times found corresponding to var. angustifolia (Pursh), Torr. 
XVRTP) A r,E M . Yellow-eyed Grass Family. 
XYRIS, L. Yellow-eyed Grass. 
X. flexuosa, Muhl., yar. pusilla, Gray. 
Peat hogs and sandy shores; rare and local. Hadlock Ponds 
(Wm. H. Dunbar, Rand);—Breakneck Ponds (A. H. Smith, 
R. H. Day); —Jordan Pond (T. G. White, Redfield, Annie M. 
Rand). It is possible that this may he distinct from X.flexuosa, 
and entitled to specific rank. See Bull. Torr. Bot. Club, xix. 38, 
where this plant is described as Xyria montana, Ries, — Xyria 
being an evident typographical error for Xyris. The specific 
name montana, there chosen, is most unfortunately inappropriate. 
JUNCACEiE. Rush Family. 
JUNCUS, L. Rush. 
J. effusus, L. CoMMOK Bush. 
Very common in wet ground. ^_ , 
Rare. Edge of pool on Heaths Brook, Tremont, near heniC, 
of the Marsh (M. L. Fernald). 
/ J. Greenei, Oakes & Tuck. 
Dry ground; rare. Sargent Mt. (Rand) Southwest Har-C 
bor (M. L. Fernald). 
Southwest Har-^' 
