Plate IV. 



Fig.s. 1-8. Typical Crateromorpha nicycri J. K. Giîay. P. 57. 



Fig. 1. A «i)ccimeii ol' ty[)ical C. vieijcrL (tS. C. M. No. 364). Nat. 



size. Figs. 2-8 were all taken fruiu this f5[)eciiijeii. 

 Figs. 2, 3. Dermalia. 300 x . 

 Fiu'. 4. Microdiscoliexaster. 300 x . 

 Fig. 5. Oxyhexaster. 300 x . 

 Fig. 6. l)ermalia and hypodermalia in siUi ; seen l'n»ni unlside. A bunt 



20 X. 

 Fig. 7. Section of wall. About 20 x . 

 Fig. 8. Basidictyonalia, from middle of stalk. 100 x . 



Fig. 9. C. meijeri tuberosa Ij. P. QQ. 



Fig. '.). 31ierndisi.(»liexaster. 30U x . (Tiiis ligure might [>ass for that of 

 the curres[)onding s[(icule of Ü. meijerl riujosa). 



Figs. 10, IJ. C. ineijt'rl riKjosa Ij. P. 71. 



Fig. 10. Caualar surface of stalk, with canalaria and fused parenchymalia. 



.)0 X . 

 Fi". 11. Dermalia and hvnodermalia in situ ; seen from outside. About 



20 X . (This figure might pass for that of the corresponding 



skeletal parts of 6'. meyeri tuberosa). 



Fig. 12. U. ïïieijtrL 



Fig. 12, (Jn^ss-sectioii of stalk, showing the canals running through it. 

 ■;| nat, size. 



Fig. 13. (J. puclujactina Ij. P. 74. 



Fig. 13. Tliick-r-i\cd hypodermal petitactin, together with a few dermalia 

 and comitaha. (From S. C. M. No. 395). 20 x. 



