l8 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL.98 



Setchell, W. A., & Gardner, N. L. 



J 937- The Templeton Crocker Expedition of the California Academy of 

 Sciences, 1932. No. 31. A preliminary report on the Algae. Proc. 

 California Acad. Sci. 22(2) : 65-98. 

 Taylor, W. R. 



1928. Marine Algae of Florida, with special reference to the Dry Tortugas. 

 Papers Tortugas Lab., Carnegie Inst. Washington 25: 1-219. 

 West, W., & West, G. S. 



1905. A monograph of the British Desmidiaceae. 2 : 10 -f- 206 pp. London. 



EXPLANATION OF PLATES 



Plate i 



Fosliella farinosa var. chalicodictya. Fig. i, surface of dried Valonia with 

 Fosliclla, X 25. Near "a" appears a group of good, large-meshed crusts of 

 var. chalicodictya, and near "b" a group of crusts with very small meshes, 

 hardly visible in the reproduction. Near "c" are some individuals of the 

 var. solmsiana, of which other patches appear among the crusts of var. 

 chalicodictya. Fig. 2, surface of a moderately small-meshed net, X no. 

 Fig. 3, surface of rather larger meshed net, X 70. Occasional strands of 

 var. solmsiana overlie the nets. 



Plate 2 



(,'riffitlisia multiramosa var. minor. Fig. i, habit of upper branching of a tetra- 

 sporangium-bearing plant, the branches slightly spread from the normally 

 erect position, X 33- Fig. 2, lower branches of the same plant, the protoplasts 

 as outlined considerably shrunken, X 33- Fig. 3, tips of a few branchlets, 

 X 195. Figs. 4-7, portions of branches with tetrasporangia, X 130 except 

 fig. 5. X 75- 



