


CATALOGUE OF PLANTS. 77 
P. grandidentata, Michx. LarcGs-TooTHED ASPEN. 
Rich woods, borders of streams, and hillsides. B*, fre- 
quent; Rattle Rock; woods near boundary, N. of Hancock 
Hill, etc. : — M*, frequent as a small tree in open places in 
rocky woods. 
P. balsamifera, L., var. canpicans, Gray. Bam oF 
GILEAD. 
This tree is rare or unknown in a wild state but very common 
in cultivation. B*, house-site, Hillside St.: — M, occa- 
sional; one large tree not far from Black Rock, another by 
Doleful Pond. 
Sup-ctass Il. MONOCOTYLEDONES. 
ORCHIDACEAE. OrcHID FAMILY. 
MICROSTYLIS, Nutt. Apper’s Mours. 
M. ophioglossoides, Nutt. 
Low ground. JB, very rare; Cedar Swamp. 
LIPARIS, Richard. TwayBLaDE. 
L. liliifolia, Richard. 
Moist woods. JB, very rare; base of Buck Hill. 
CORALLORHIZA, Haller. Corat-roor. 
C. innata, R. Br. 
Swamps and cool damp woods. JB, very rare; this inter- 
esting but inconspicuous little plant grows in a single spot in 
the E. part of the Reservation : — M, rare. 
C. odontorhiza, Nutt. 
Rich woods. S, very rare; six plants were found near 
Overbrook Hill in 1878. 
C. multiflora, Nutt. 
Dry shady woods. 6*, frequent; Pine Tree Brook valley ; 
slopes of Great Blue Hill, Rattlesnake Hill, ete. :— M, occa- 
sional; Virginia Wood; N. slope of Bear Hill; border of 
brook, E. of Melrose Reservoir. 

