w AS 
re  Prate II should be placed in the April number. The ex- 
it 
x planation of figures is as follows: 
: 1. Matured frond. 2. Cluster of young fronds. 8, Under surface of 
an abasal pinna. 4. Upper surface of an intermediate pinna and rhachis. 
BF 5. Gemmule vertically divided. 6. Scale from base of stipe. 
