
SEA-WEEDS. 235 
fan-shaped frond, excessively branched, the color a beautiful 
lake ; the Plocamium coccineum, very beautiful and frequently 
overlooked, but occurring among the cast-up weeds of the 
sen, —a deep-water specics. ; 
Other elegant rosy or red sea-weeds, belonging to still 
other orders, are more or less common in our bay, of which 
the Phyllophora membranifolia, the Ahnfeltia plicata, Cysto- 
clonium purpurascens, of which there is a curious variety, 
the ends of the smaller branches being converted in spirally 
twisted tendrils, which coil round other sea-weeds; the 
Gigartina mammillosa, already alluded to, with the Chon- 
drus crispus, of which many singular forms may be seen in 
the same pools ; the Chylocladia, reminding us of Bailey, in a 
new species; the Gloiosiphonia capillaris, a single species, 
limited to the northern seas of Europe and America, of a 
brilliant carmine color and very much branched, found at 
Nahant, Hampton Beach, Chelsea, etc., and why not here- 
abouts? the Spyridia filamentosa, a genus better known in 
warmer seas ; the Ceramiacew, with numerous delicate rosy 
and reddish species in Ceramium rubrum and its varied 
forms, in O. diaphanum, fastigiatum and arachnoideum per- 
haps; in Pilota plumva, beautiful and common, and in its 
kindred Californian species P. densa, ete. ; in the rarer P. 
serrata occurring with us; in Grifithsia, a beautiful and 
slender Alga, of a soft gelatinous substance, closely adhering 
to paper; in the numerous Callithaminons, minute, elegant, 
and curious, some of them parasitical, and all puzzling to 
decide, many of which the seeker can find on our sea-shores. 
So much for the sea-weeds, and for the smaller portion of 
the interest attached to them, reminding us in their fine 
names of the glories of the ocean, of its cooling breezes, its 
ul aspect, its crested foam and blue surface in rest and 
repose, sought for eagerly by many a weary and tired citi- 
zen, and affording perpetual instruction and pleasure to the 
naturalist, and in its floral as zoölogical treasures a constant 
Source of study to all. 

