100 Howe: Notes on BAHAMAN ALGAE 
Explanation of plate 6 
Figs. 1 and 2. Coccocladus occidentalis laxus ; 3-12, Neomeris Cokert. 
1. One of the whorled branches of Coccocladus occidentalis laxus, with sporangia, 
ie Bae 
2. A single sporangium, & 40. > 
3. Meomeris Cokeri, natural size 
A single plant, X 8. At the apex, in this individual, is a zone of multicellular 
hairs, surrounding and cial the apiculum formed of the mantle-caps ; below, are 
the unicellular hairs, and farther downward, the lime-coated sporangia, isolated, or CO- 
erent in 
5. Apical nae of another plant, 12. The hairs in the apical region are here 
of the unicellular kind and the apiculum iend of the mantle-caps is conspicuous 5 
below is a zone of siete hairs. 
. A fertile primary branch, with branches of the second order, each, in this case, 
bearing a unicellular hair, > 40. Sie calcified. ) 
7. A similar fertile primary branch, < 40. (Decalcified.) 
8. A fertile primary branch, a handscheds of the second order, each, in this case, 
bearing a pte ris hair, & 40. (Decalcified. ) 
9. conditions in this figure are similar to those eagarioaet in Fig. 8, except 
that only a basal cells of the multicellular hairs now pers: Scars remain ee 
the places of insertion of the hair-segments which have oe In this stage the tw 
rms of hairs sometimes resemble each other, but the persisting bases of the vated 
lular may be recognized by the presence of these scars, which are always entirely 
wanting on hairs of the unicellular kind 
to. Part of a primary whorl, with sporangia and branches of the second order, 
< 40, with caicanscns coating. 
11. A single primary branch, with sporangium and branches of second order, with 
calcareous coating, < 37. 
mature spore, within the sporangium, decalcified, « 53 
The drawings have been made by the writer, with some assistance from Mr. A. 
Mariolle in preparing them for reproduction. 
