{ 180 ) 



In these the colour is a fine delicate, somewhat pale but rather 

 pleasant green, becoming, like that of the other species of the genus, of 

 brownish green or yellowish brown in age. 



When fully fruited, it is one of the prettiest specimens under the 

 microscope, although its small size does not render it either conspicuous 

 or highly ornamental in its native tide-pool, where it is almost lost 

 among the more numerous and comparatively giant Chlorosperms, which 

 cast a gleam of verdant light over every pool during the latter days of 

 summer, throwing less obtrusive beauties entirely into the shade. 



ECTOCARPnS PUSILLUS. 



EXPLANATION OF DISSECTIONS, &c. 



Fig. I.—Ectocarjjtis pusillus, tuft, natural size. 

 2. — Braiicli. 

 3. — Same. Both raaKuified. 



