i
peculiar luxuriance, M . S c h w e in iz has often found this species
to attain th e enormous size o f a foot in breadth.
I t has long been my wish to render the study of this tribe
of Hypoxyla more satisfactory, by reducing them to several
genera. This is no easy task, and it is difficult to say whether
such an attempt may eventually succeed. The number of species
of Sphæria (already above 500) is, however, daily increasing,
and seems to encourage such an undertaking.
) S' « Fig. I. Stromaiosphwria rubiginosa, nat. size. Fig. 2. A section o f a .imall
plant. Fig. S. Sporuliferous tubes. Fig. 4. Sporules.—All but F ig .] l.
more or less magnifed.
