220 The Botanical Gazette. (July, 
genera, Conoscyphus, Mastigopelma and Plectocolea. Cronisia 
Berkeley, which indberg changed to Carringtonia because 
series. So also are some of Trevisan’s innovations,* but pos- 
sibly the less said of these the better. The widely scattered 
literature has rendered this work.by Mr. Evans specially diffi- 
cult. * A number of generic names will have to be replaced 
on grounds of priority whenever we have a sufficiently stable 
system on which to make the shift. One hundred and seven- 
teen genera are included, of which 87 belong to the Junger- 
maniacee. And yet the text-books persist in regarding 
Marchantia as a representative liverwort !—LuciEN M. UN- 
ERWOOD. 
The psammophilous flora of Denmark. 
*8  Cronisia was based on Corsinia which it resembled. delle epatiche- 
*4 Vittore TREVISAN: Schema di una nuova classificatione 
Mem. R. Ist. Lomb. di Scienze e Lettere, ser. 1m, rv, (1877). . don this we 
tS There is needed a classified bibliography of the Hepaticae an f the first 
have been wor ing for several years and hope to reach publication © 
7 (author catalogue) in a few months. Videnskap- 
®Euc. Warminc : De psammophile Formationer i Danmark. 
Meddel. Naturh. For, Kjébenhayn 1891. 
