Notes . 
5 2 3 
P. 73. CHAETOPHORACEAE : add under Trichophoreae , 
Acrochaete repens, Pringsh. 2 ! 
P. 78. punctariaceae. 
Punctaria latifolia, Grev. 
f. laminarioides, Holm, et Batt. 219! 
„ „ ECTOCARPACEAE. 
Streblonema intestinum, Holm, et Batt. 9 ! 
Streblonema sphaericum, Thur. 219! 
Ectocarpus erectus, Born. 9 ! 
P. 82. CHORD ARIACEAE. 
Mesogloea lanosa, Crn. 219! 
Myriocladia tomentosa, Crn. 9 ! 
P. 87. PORPHYRACEAE. 
Porphyra miniata, J. Ag. 2 ! 
Wildmania miniata, Fosl. 
f. tenuissima, Fosl. 214! 
P. 90. RHODOPHYLLIDACEAE. 
Cystoclonium purpurascens, Kiitz. 
f. cirrhosa, J. Ag. 9 ! 
P. 93. RHODOMELACEAE. 
Laurencia obtusa, Lamx. 
var. pyramidata, J. Ag. 9 ! 
P. 97. CERAMIACEAE. 
Rhodochorton seiriolanum, H. Gibs. 619! 
P. 99. Ceramium strictum, Harv. 
var. delicata, J. Ag. 9 ! 
P. IOO. NEMASTOMACEAE. 
Nemastoma marginifera, J. Ag. 9 ! 
P. 102. CORALLIHACEAE. 
Lithothamnion corallioides, Crn. 2 ! 
It has been suggested to us that some indication of the present state 
of knowledge concerning the reproductive organs in the Marine 
Algae found in Great Britain might be useful to students of algology. 
We therefore offer the following necessarily imperfect list of species 
in which, so far as we have been able to ascertain, various organs 
of reproduction are still unknown, or imperfectly known. 
