132 



MARINE ANGIOSPERMS 



[CH. 



Fig. 88. Halodtde uninervis, Boiss. T.S. leaf at base of limb; a, a, secretory cells 



(x220.) [Sauvageau, C. (iSgi^).] 



Fig. 89. Posidonia Caulini, Kon. T.S. limb of leaf. .4, i cm. from apex; 

 B, at base of limb. (X145.) [Sauvageau, C. (1891^).] 



