3 
B. lanceolatum (Gmel.) Angstroem. var. angustisegmentum Pease 
& Moore. Amherst, L. B. Tuckerman; Conway, 
H. G. Jesup; Mt. Toby, Sumner C. Brooks; Hol- 
yoke Range, A. V. Osmun. 
ramosum (Roth.) Ashers. Conway, etc.,H. G. Jesup; Mt. Toby, 
T. O. Fuller in Rhodora, Vol. III1., p. 144; Spring- 
field, Dr. W. H. Chapin. 
obliquum Muhl. 
obliquum Muhl. var. dissectum Spreng. 
ternatum (Thunb.) Swartz. var. intermedium D. C. Eaton. 
virginianum (L.) Swartz. Rattlesnake Fern. 
EQUISETACEAE 
Equisetum [Tourn.] L. Horsetail. 
arvense L. Common Horsetail. 
arvense forma decumbens, Springfield. 
sylvaticum L. 
fluviatile L. Pipes. 
hyemale L. Scouring Rush. 
hyemale L. var. affine (Engelm.) A.A. Eaton. Springfield, L. 
Andrews. 
variegatum Schleich. var. Jesupi A. A. Eaton. Conway, H.G. 
Jesup. 
scirpoides Michx. Plainfield, Porter; Colrain, E. F. Williams 
in hodora, Vol. XII., p. 170. 
LYCOPODIACEAE 
Lycopodium L. Club moss. 
Selago L. Mt Holyoke, Freeman in Rhodora Vol. V., p. 290. 
lucidulum Michx. 
inundatum L. Ambherst, etc. 
annotinum L. 
clavatum L. Common Club Moss. 
clavatum L. var. monostachyon Grev. & Hook. 
obscurum L. 
obscurum L. var. dendroideum (Michx.) D. C. Eaton. 
sabinaefolium Willd. Tuckerman. 
complanatum L. 
complanatum L. var. flabelliforme Fernald. Ground Pine. 
tristachyum Pursh. 
SELAGINELLACEAE 
Selaginella Beauv. 
rupestris (L.) Spring. 
apus (L.)} Spring. 
