OF ARTS AND SCIENCES. 241 



Hcares altitudine irregiilariter pinnata ; ramis ecostatis prrecipiie ad 

 apices Hexuosis ; piniiis alterne 2-4, plerumque 3, pinna inforiori subuli- 

 formi sxpe recurvata pinnas superiores decomposito-pinnatas superante; 

 spluerosporis biseriatim ad 2-3 furcatos apices ordinatis. Color pur- 

 pureus. — Santa Cruz, Dr. C. L. Anderson ; San Diego, Mr. D. 

 Cleveland. — Tlie present species is said by Dr. Anderson to 

 inhabit rather deep water. It resembles Plocamium coccineum in 

 having the pinna; arranged alternately in thi-ees and fours, but differs 

 in having the lower pinna larger than the others and slightly recurved. 

 In the length of the lower pinna, the species approaches P. cornutum 

 which, however, does not have pinnae arranged in threes or fours. In 

 the flexuous character of the branches, the species resembles PI. coc- 

 cineum var.jlexuosum Harv., which is considered by Agardh a variety 

 of PL lepophyllum Kiitz. We have compared the present species 

 with specimens of PI. coccineum var. Jlexuosum, named by Harvey, 

 and find it to differ in color and substance and in the large lower pinna. 

 The plant adheres slightly to paper, and is of a dark purple color, un- 

 usual in species of the genus. 



CoRDTLECLADiA CONFERTA (Schousb.) Mont. San Diego, Cal., 

 Mr. Cleveland ; Santa Barbara, Miss Lennebacker. jVot an uncom- 

 mon species of Southern California, but sometimes distributed as a 

 species of Gracilaria. 



Sarcophyllis Californica J. Ag. In his Epicrisis, Prof. Agardh 

 separates this species from aS^. edulis, to which species California speci- 

 mens had been previously referred. 



Farlowia crassa J. Ag. Santa Cruz, Cal., Dr. Anderson; Ore- 

 gon, Rev. E. Hall. 



Farlowia cojipressa J. Ag. Santa Cruz, Dr. Anderson ; Santa 

 Barbara, Miss Lennebacker ; San Diego, Mr. Cleveland. 



Cryptosiphonia Woodii J. Ag. Santa Cruz, Cal., Dr. Anderson. 



Kallymenia Californica, n. sp. fronde carnosa radiatim pro- 

 lifera demum irregulariter fissa inferiori parte costata ; prolificationibus 

 flabelliformibus in stipitem basi attenuatis stepe phyllis marginalibus 

 minutis fimbriatis ; cystocarpiis in media fronde nuinerosis immersis. 

 — Santa Cruz, Cal., Dr. Anderson. — This species was found by Dr. An- 

 derson thrown up from deep water in company with Constantinea 

 Sitchensis, which it resembles in texture and color. In fact, until the 

 tetraspores have been discovered, it will not be possible to affirm that 

 this is not a Constantinea, although the absence of a distinct stipe would 

 lead one to place the plant in the genus Kallymenia rather than Con- 

 stantinea. We first supposed the plant to be Kallymenia^ phyllophora 



VOL. XII. (n. S. IV.) 16 



