PLATE XI. 



ulon qturciformis n. sp. a, b and c, spicules from the coenenchyma; </ and e, spicules from 

 tli ■■ IOO; the others 88. 



xnensis n. sp. a, spicule from the axis; b and c, forms from the inner walls of 

 cal chyma. All 1 20. 



ia bruntua n. sp. </ and /-, spicules from the axis; the others from the coenenchyma. 

 All 120. 



■xcavaia n. sp. <i, spicule from the axis; b, a Y-shaped lorm from the ccencnchyma. 

 120. 

 ;. Suberia macrocalyx n. sp. </. b and c, spicules from the coenenchyma; 88. 



im friabilis 11. sp. a and c, spicules from the coenenchyma; d, an intermediate form; />, a 

 spicule from the axis. All 120. 



i appressa n. sp. ./ and b, spicules from the coenenchyma, c, an axis spicule. All 250. 

 1 thomsoni n. sp. e, an axis spicule; a, /', c and </, forms found in the coenenchyma. 

 1 pulchra n. sp. <> and ^. fragments of the spicular mesh of the axis; b, c, e and ƒ, 

 I forms from the coenenchyma; d, rod-shaped form. 



