PLATE LXXV. 



FIG. 



1-4. VALKERIA UVA, erect form (CUSCUTA), p. 551. 



5. - , repent form, on Corallina. 



6. BOWERBANKIA GRACILLIM A, p. 525. 



7. BOWERBANKIA CAUDATA, p. 521; showing the biserial 



arrangement of the zooecia and the caudate extre- 

 mity. 



