Plate VI. 



Fig. 1. Amphiroa nüsaliensis. 



Fig. 2. Cheilosporum aiiceps, {Kiitz.). 



Fig. .3. Cheilosporum anceps, (Kiitz.) var. modesta. 



Fig. 4. Amphiroa declinata. 

 View from the dorsal side ; a branch in the lower side is overturned to 

 show the attachment of the conceptacles at the ventral margins of the 

 articuli. 



Fig. 5. Gheilosponim yessoense. 



Fig. 6. Cheilosporum yessoense. /. angusta. 



Fig. 7. Cheilosporum latissimum. 



Fig. 8. Cheilosporum calif ornicum, {Dene) ! 



Fig. 9. Cheilosporum maxijnum. 

 A branch is seen having conceptacles both immersed at the top of 

 pinnae and bulged out on the surface of the articuli. 



