ERRATA. 
PAGE 
1 13. For Group 6, read Group 4. 
165. For Asplenium Filix-feemina, var. taeda, read Polystichum Angulate, 
var. 10. taeda. 
163. For Asplenium Filix-foemina, A. 2. a. pumulum, read congestum. 
165. In A. 2. /3. crispatum, the numbers should be 9 and 10 , instead of 
8 and 9 . 
167. Last line. For 1839, read 1861. 
ADDENDUM. 
The following variety was not received until the completion of this work. 
SCOLOPENDRIUM VULGARE. 
B. 1. o. CK1SPUM. 
60. crispissimum, Lowe. A grand variety, from Mr. Gillett's collection. The 
ruche-like frills are inches deep along the margin of the frond. 29 x si 
inches, of which 12 inches is the stipes. 
