PLATE XXVII. 



Chara canescens Loiseleur. 



PIG. 



1. Plant, natural size, from Studland, Dorset. 



2. Portion of stem showing cortex, clustered spine-cells, 



stipulodes and bases of branchlets. X c. 30. 



3. Apex of branchlet. X c. 25. 

 i, 5. Spine-cells. X c 25. 



6. Upper portion of branchlet with fertile node, ^ (from Hun- 



garian specimen). X c. 25. 



7. Branchlet-node, ? . X c. 25. 



8. Oogonium. X c. 45. 



9. Oospore. X c. 45. 



