PLATE XXXVIII. 



Chara aculeolata Kiitzing. 



FIG. 



1. Plant, natural size, from Bottisham Fen, Cambs. 



2. Transverse section of stem. X c 15. 



3. Apex of brancUet. X c. 18. 



4. Portion of branchlet with fertile nodes. X c. 18. 



5. Oogonium. X c. 40. 



6. Oospore. X c. 40. 



7. Base of oospore, with short claws. X c. 80. 



