190 ALLAN HANCOCK PACIFIC EXPEDITIONS \0L. 17 



PLATE 9 



Fig. 1. Jania capillaiea Harvey. A propagulum from Hubbs 



46-239, Puerto Marques, Guerrero, showing manner of 

 attachment and regeneration. X 33. 



Fig. 2. Jania siibpinnata Dawson. Part of the tvpe specimen, 



D. 3459, La Paz, Baja CaliL X 15.5. 

 Fig. 3. Jania tcnella Kiitzing. One of the two isotype fragments 



from the Rijksherbarium, Leiden, in the Hancock 



Herbarium. X 18. 



Fig. 4. Jania Innt/iarthra Dawson. A portion of the type 



specimen, D. 7041, Isia Espi'ritu Santo, Baja Calif. 



X 9. 

 Fig. 5. Cnrallina janioidrs Dawson. Pan of the tetrasporic 



type specimen, D. 8355, Isia Guadalupe, Baja Calif. 



X 4.5. 



Fig. 6. Corallina polyslicha Dawson. Portion of an erect axis of 



the tvpe specimen, D. 8534, Isia Guadalupe, Baja Calif. 

 X 4.5. 



Figs. 7-13. Corallina pinnatifolia var. pinnatifolia. Several ulti- 

 mate segments showing range of elaboration character- 

 istic of Pacific Baja California examples. 



Figs. 14-20. Corallina pinnatifolia var. diffitata Dawson. Several 

 ultimate segments showing pronounced elaboration char- 

 acteristic of examples occurring in the Gulf of Cali- 

 fornia. 



