284 
Puyconocica Memoirs. 
_ Tue Proceedings of the California Academy of Sciences, ser. iil., 
vol. i., no. 24, Botany, dated Oct. 31, 1898, has at last reached this 
country. e number consists entirely of work by Mr. De Alton 
Saunders, and is entitled ‘* Phycological Memoirs,” a title which 
had been previously applied in this country to the volume edited in 
1892-5 by Mr. George Murray. 
Mr. Saunders’s paper is divided into two parts: I. ‘‘ Some Pacific 
Coast Metocarpacea,” and II. ‘* Sphacelariacee and Enceliacee of the 
Pacific Coast.” A diagnosis is given of the Natural Orders, with a 
carpus, and Pylaielia. Among these there are seven new species 
and four new varieties of Ketocarpus, and although the actual 
—a fuller “explanation of plate.’ Under Pylaiella, two new 
varieties of P. littoralis are added to the large number of those 
already existing, 
he second part, dealing with Sphacelariacee and Enceliacee, 
describes twenty-two species and varieties, of which only three 
ngi 
new genus, Halorhipis, is formed for Punctaria Winstonw 
Ands. This plant has been sometimes confused, in books at least, 
A somewhat inadequate description of Soranthera ulvoidea Post. 
et Rup. ends these Memoirs. The parasitic nature of this interesting 
plant is not mentioned; and as the earlier stages of its life-history 
have perhaps not been minutely investigated by Mr. Saunders, the 
