No. 3. The Marine Alg« of Santa Barbara County. 17 



Gigartina volans, Ag. 

 GINANNIA, see Scinaia. 

 GYMNOGONGRUS (meaning- naked excrescence), IV. O. 



Gymnogongrus leptophyllus, Ag. 



Gymnogongrus linearis, Ag. 



Gymnog-ongrus tenuis, Ag. 

 GRACILARIA (slender, graceful), IV. P 



Gracilaria confervoides, Grev. 



Gracilaria multipartita, Ag. 

 GRATELOUPIA (named for Dr. Grateloup, a French al- 

 g-ologist), IV. N. 



Grateloupia Cutleri, Ktz. 

 GRIFFITHSIA (named for Mrs. Griffith, a celebrated 

 English algologist), IV. M. 



Griffithsia opuntioides, Ag. 

 HALYSERIS. 



Halyseris polypodioides. 



Halyseris polypoidiodes, var. cristata. 

 HAUDRYS (Sea Oak) III. H. 



Halidrys osmundacea, Harvey. 

 HALOSACCION (a sea bag), IV. N. 



Halosaccion hydrophora, Ag. 

 HELMINTHOCLADIA, IV. L. 



Helminthocladia purpurea, Setch. 



HYPNE^E, (from "Hypnum," a genus of mosses), IV. R. 



Hypnea adunca. 



Hypnea divaricata. 



Hypnea musciformis, Lamx. 

 IRIDEA (many colors), IV. O. 



Iridea dichotoma, Bory. 



Iridea laminarioides, Bory. 

 JANIA, IV. T. 



Jania rubens, Lmx. 

 KAELYMENIA, IV. N. 



Kallymenia californica, Farlow. 

 LAMINARIA (from lamina, a plate). III. G. 



