390 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 3 



PLATE 46 

 Fig. 1. Lomentaria Drouetii, terminal portion of a frond, x 4. 



Fig. 2. Lomentaria Drouetii, cross section of a portion of hollow 

 frond, showing palisade cortex and the inner fibers, some of 

 which are somewhat displaced, x 225. 



Fig. 3. Champia caespitosa, habit of portion of the type, x 7. 



Fig. 4. Champia caespitosa, cross section of hollow frond, x 42.5. 



Fig. 5. Champia disticha, habit of complete, individual plant from 

 the type collection, x 7.5. 



Fig. 6. Gastroclonium clavatum, cross section of a portion of the 

 wall of a Mediterranean plant, x 92. 



Fig. 7. Gastroclonium clavatum, cross section of a portion of the 

 wall of Dawson 440, x 92. 



Fig. 8. The same of Dawson 68, x 92. 



