EXTERNAL MORPHOLOGY OF THE STEMS OF CALAMITES. 
ARBER, E. A. N. 
ARBER, E. A.N. 
ARBER, E. A. N. 
Granp’ Evry, C. 
3 
Granp’ Evry, C. 
, 
Groom, P., and 
Lewis, F. J. 
Jonemans, W. J. 
JoNGMANS, W. J. 
Jonemans, W. J., 
and Kuxvx, P. 
Jonemans, W. J. 
Kipsrow, R. 
Kipsron, R., and 
Jonemans, W. J. 
Kuxuk, P. 
Lewis, F. J. 
TuNAULT, B., and 
ZEILLER, R. 
SoLĮms-LAUBACH, H. 
GRAFEN ZU. 
STEBZEL, J. T. 
STERZEL, J. T. 
t 
bo 
~ 
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