PHYSCOMITRIUM TURBINATUM AND ITS 
VARIATIONS. 
This moss had been very abundant in the greenhouses of the 
enches i ti 
Physcomitrium turbinatum came up in many pots and mature 
its capsules by the beginning of the year, but the plants were 
small with pedicels only about one centimeter long. In January 
in spring would alter and control thes 
derable variation, even in the same patch. 
ELIZABETH G. BRITTON. 
