Notes \ 
411 
red layer. Unluckily they were by mistake thrown away before 
I could observe them properly or follow up their future fate, I am 
Fig, 22. 1, 2, 5, 6 and 7 ,Aphanochaete polychaete (Hansg.) Fritsch. 1 . A number 
of individuals, epiphytic on Cladophora fracta ; on the upper side a many-celled 
individual is to be seen, x 500. 2. A three-celled plant, one cell of which has 
liberated its contents, C. x 500. 5. The first stage in the development of a hair, 
x 600. 6. A further stage, the bulbous base beginning to form, x 600. 7. Young 
hair, containing a number of highly refracting masses, which look like transverse 
walls (but are, however, much thicker than the walls in the hair of a Stigeoc Ionium, 
for example) ; in the cell on the right the rudiments of another hair are to be seen. 
x6oo. 3, 4. Stigeoclonium, sp. 3. A young unbranched plant, at R the contents 
have been emitted from one of the cells, x 450. 4. A young plant beginning to 
branch. X450. (E — empty cell, which has set free its contents ; C = the liberated 
contents, surrounded by a distinct membrane; R~ the almost empty membrane, 
only containing a few big granules.) In most cases only a small portion of the 
hairs has been figured. 
E e % 
