31. Jungermania (Solenostomum) crenuli-
formis, Aust.

Præcedenti affinis, sed densius cæspitosa, foliis magis con-
cavis minus distincte marginatis, colore nunquam rubri,
perianthio minore et habitatio distat.

Perianthio a lateribus subcompresso (primum apice triquetro)
uno latere plano altero 3 (—5) plicato sulcatove cum foliis
involucralibus plus minusve connato, etc.

J. Genthiana, Nees, differt? “cellulis marginalibus foliorum
haud majoribus.”—*Bulletin of the Torrey Bot. Club, New*
*York, for Mar. 1872, p. 10.*

HAB. On rocks in rivulets, near Closter, New Jersey; also
in Ohio, *Sullivant*.

Yale University Herbarium

YU. 208930