1917] Lowenstein,— Orchids of the Region of Asquam Lake 57 
P. TRIANTHOPHORA (Sw.) BSP. Probably the commonest orchid 
next to Cypripedium acaule, more than 5000 plants found in 1916. 
SPIRANTHES Richard. 
. GRACILIS (Bigel.) Beck. Common. 
. CERNUA (L.) Richard. Common. 
. CERNUA var. OCHROLEUCA (Rydb.) Ames. Rare. 
. RoMANZOFFIANA Cham. Common. 
MMM mM 
EPIPACTIS [Haller] Boehm. 
. REPENS var. ophioides (Fernald) A. A. Eaton. Common. 
. TESSELATA (Lodd.) A. A. Eaton. Common. 
. PUBESCENS (Willd.) A. A. Eaton. Common. 
Se & 
LISTERA R. Br. 
L. corpata (L.) Ri Br. Local; Squam Mountain (M. L. Fernald). 
CORALLORHIZA [Haller] R. Br. 
C. macuLaTaA Raf. Common. 
C. TRIFIDA Chatelain. Local; Squam Mtn. 
MICROSTYLIS (Nutt.) Eaton. 
M. unirouia (Michx.) BSP. Rare; three records. 
LIPARIS Richard. 
L. Lorse.i (L.) Richard. Rare; only one record. 
N. B. Arethusa bulbosa L. has been reported from the region, but 
we have not found it. For the record of Listera cordata R. Br. I am 
indebted to Prof. Fernald. 
PROVIDENCE, RHODE ISLAND. 
