﻿ADDITIONS, MODIFICATIONS 



AND 



CORRECTIONS. 



This list principally contains additions and modifications that could not 

 be inserted in the Appendix; most of them may be cut out and pasted on 

 the places indicated. 



Typographical and grammatical errors of no importance with regard to 

 the purpose of the work are not considered. 



(P. = Page; 1. = line; fr. b. = from bottom). 



P. XXXI, 1. 1 — 7 should be modified as follows: 



GENUS 66. SYNGRAMMA. Veins mostly uniting 

 1 — 3 X ^^ or near the margin, sometimes anas- 

 tomosing copiously, but then distinctly visible like 

 the costa; areolae without free included veinlets. 

 No main veins. Sori with paraphyses. 



GENUS 67. HEMIONITIS. Veins anastomosing copi- 

 ously, distinctly visible like the costa; areolae 

 without free included veinlets. No main veins. 

 Sori without paraphyses. 



GENUS 67a. HEMIGRAMMA. Differs from genera 66 

 and 67 by the distinct main veins, and the 

 areolae provided with free veinlets. 



P. XXXVil, 1. 4 should be modified as follows: 



86a Leptochilus (Gymnopteris), 67a Hemigramma. 



