Box.— Vol. I.] SAUNDERS-PHYCOLOGICAL MEMOIRS. 1 67 



PLATE XIX. 



PAGE 



Ectocarpus mucronatus, sp. nov. 152 



Fig. I X 80 ; 2-4 X 450. 



PLATE XX. 



Ectocarpus coriicu/aius, sp. nov. 152 



Fig. 1x6; 2 X 80 ; 3-5 X 450. 



PLATE XXL 



Figs. I, 2. Ectocarpus mitchellcp H.a.r\'. 153 



Fig. I X 65 ; 2 X 450. 

 Figs. 3, 4. Ectocarpus penicillatus C Ag. 155 



Fig. 3 X 90 ; 4 X 450. 



PLATE XXIL 



Ectocarpus siliculosus parvus, van nov. 153 



Fig. I X 65 ; 2-8 X 450. 



PLATE XXI IL 



Ectocarpus confcrvoides variabilis, form. nov. 155 



Figs. I and 4 x 80; 2, 3 and 5 x 450; 6 one-half 

 nat. size ; 7 x 60 ; 8-10 x 450. 



PLATE XXIV. 



Figs. I, 2. Ectocarpus toiiientosus (Huds.) Lvngb. 155 



Fig. I nat. size ; 2 x 450. 

 Figs. 3-5. Ectocarpus granulosus (Engl. Box.) Ag. 156 



Fig. 3x6; 4 X 90 ; 5 X 450. 



PLATE XXV. 



Figs. I, 2, 5, 6 Pj'laiella Itttoralis de/isa, form. nov. 156 



Fig. I X 80 ; 2 .\ 6 ; 5 and 6 x 450. 

 Figs. 3, 4. Pylaiella littoralis, var. 157 



PLATE XXVI. 



Sphacelaria tribuloides Menegh. 158 



Fig. I X 60 ; 2x4; 3-9 X 450. 



