GULF OF MEXICO 



181 



Figure 48. — a, Acetabularia crenulata, several plants, X 0.4; b, Cladophora fascicularis, a small portion 

 of a branch, X 0.8; c, Enteromorpha flexuosa, several plants, X 0.7; d, Penicillus capilatus, a young and 

 a mature plant, X 0.4; e, Codium dicholomum, a small portion of a clump, X 0.2; /, Ulva lacluca var. 

 rigida, a single plant, X 0.4. Drawings by C. V. Cangemi. 



