10 Bulletin Santa Barbara Society of Natural History. Vol. 1. 



Ptilota filicina, Ag. 



" hypnoides, Harv. Primary branches of very une- 

 qual leng-ths; one of the pinnae is simple, the other a 

 branchlet. 

 Taenioma Clevelandii, Farl. Closely allied to Polysiphonia. 

 Griffithsia opuntioides, Ag. A beautiful plant. Fronds 



dioecious and dimorphous, branches of two kinds. 

 Callithamnion arbuscula. var. pacifica, Harv. 

 " dasyoides, J. Ag. 



" floccosum, Ag. 



" heteromorphum, J. Ag. A large and 



beautiful g-enus the species of which are not well de- 

 fined. The name Callithanlnion is from two Greek 

 words sig-nifying- a beautiful small shrub. 

 Pikea calif or nica, Harv. A monotypic g-enus; cartila- 

 ginous and firm; color brown-red; branches irreg-ularly 

 disposed, repeatedly compound. 



N. 



Order CRYPTONEMIE^. 

 Nemastoma californica, Farlozv. 

 Grateloupia Cutleriae, Ktz. 

 Schizymenia edulis, Ag. 

 " cocci nea. 



= SarcoJ>/iyllis californica, J. Ag\ 

 Chrysomenia pseudodichotoma, Farlozv. Rare. 

 Kallymenia californica, Farlozv. 



Fauchea californica, Farl. (Bimreya californica, Farl.) Rare. 

 Prionites Andersonii, Eaton. 

 44 decipiens, Setchcll. 

 44 lanceolata, Harv. 

 Ricardia Montagnei, Herb, and Sol. On tips of Laurencia. 

 Gigfartina canaliculata, Harv. 

 44 horrida, Farl. 

 = (wiga?'tina manillosa, Ag., var. 



