Page 279-— . 
No. 83. Second line, after 50, insert p; after 30, insert p. 
Page 280— 
6 lines from top, instead of “ neither of the Alga nor” read either of the ; 
Alga or. 
Page 282— 
No. 101. 4 lines down, after 80, insert p. 
Page 283— 
3 lines from top, before cell becomes very swollen, insert 2. 
No. 105. Instead of Rabenh. Alg. Bur. read Rabenh. Alg. Eur, 
No. 106. Instead of ©. Brebissonni read C. Brebissonii. 
Page 284— 
No. 114, Instead of ©. calsporum read C. calosporum. 
Page 285— 
7 lines from top, instead of p. 225 read p. 235. 
No. 118. Instead of Chior. 1899, f. 15, read Chlor. 1899, p. 15. 
Page 286— 
No. 14. Instead of E. Pulchellum read E. pulcherrimum. 
Page 998 
4 lines from top, instead of latisthm, read lat. isthm. 
No. 136. Instead of M. Crux-melitensis, read M. Crux-Melitensis. 
3 lines further on, instead of Hab. On ditch read Hab. In ditch. 
Page 289— 
2 Ma US Reed line, after Ravib add a full stop 
No. 145. Instead of p. 39, t. 15, £18, read p. 39, t. 2, £. 16. 
3 lines further on, instead of lat. 40u, read lat. 49u. 
No. 146. After Ralfs Brit. delete comma 
No. 149. Instead of (, Garrolense R. & R., read C, Garrolense R. & B. 
