1883.] 
ADIANTUM DOLABRIFORME 
155 
and resting in winter. A. lunulatum lias always 
been a scarce fern, and the cause has doubt¬ 
less been, that in many instances this habit 
of resting has been mistaken for death, and 
the roots have been thrown away without 
distinctly lunulate outline. The fronds are 
elongated, drooping, and freely proliferous at 
the end of the rachis; they are pinnately 
divided, and the pinnae are dolabriform or 
hatchet-shaped, shortly petiolate, membrana- 
ADIANTTTM DOLABRIFORME. 
examination. A. dolabriforme, the annexed 
illustration of which we owe to Mr. B. S. 
Williams, of Holloway, is moreover a more 
slender plant than the ordinary form of its 
ally, which has the pinnules larger and of a 
ceous, having the upper margin arched and 
lobulate. The small marginal lobules bear 
oblong sori. 
It is a most elegant stove fern, especially 
adapted for basket culture, and when well 
