Xll 



LIST OF THE PLATES. 



Figs. 



55 



55 



Figs. 



55 



Figs. 



55 

 5> 



Figs. 



5? 



5 1 

 ? 

 > 



PLATE CXXXVI. 



1 . Staurastrum Hystrix 



(p. 60) 



2-7. St. teliferum (p. 58) 

 S-ll.St. polytrichum (p. 53) 

 12. St. erostellum (p. 72) 

 13-14. St. setigerum (p. 52) 



PLATE CXXXVII. 



1 -3 . Staurastrum gladio - 



sum (p. 57) 

 4-6. St. Brebissonii (p. 



61) 



7. St. Saxonicum (p. 54) 

 8. St. Picum (p. 51) 

 9-11. St. erasum (p. 71) 



12. St. echinatum (p. 56) 

 13-15. St. cumbricum (p. 55) 



PLATE CXXXVIII. 



1 -3 . Staurastrum pilosum 



(p. 63) 



4-6. St. hirsutum (p. 65) 

 7-8. St. Ravenelii (p. 70) 



9. St. muricatum (p. 67) 

 1U-13. >SY. pyramidatum (p. 

 68) 



PLATE CXXXIX. 



1-2. Staurastrum m uri- 



catum (p. 67) 

 3. /5Y. trachygonum (p. 



50) 

 4. *S7. horametrum (p. 



51) 



5. St. cristatum (p. 47) 

 6-7. St. oligacanthum (p. 



48) " 

 8-9. /S7. echinodermum (p. 



79) 



10. >S7. )n(ianiense (p. 75) 

 11-15. ^SV. Arnellii (]}. 79) 

 16. />7. pyramidatum (p. 

 68) 



Figs. 



5J 



PLATE CXL. 



1-2. Staurastrum scabrum 



(p. 81) 



3-5. St. subscabrum (p. 82) 

 6-10. 7. acarides (p. 73) 

 11-13. >57. asperum (p. 74) 

 14-16. &7. spongiosum (p. 76) 



PLATE CXLI. 



Figs. 1-3. Staurastrum Iceve (p. 



92) 

 ,, 4-8. St. inconspicuum (p. 



86) 



-St. bacillare (p. 84) 

 -St. brachiatum (p. 88) 

 16. St. nodosum (p. 88) 

 17-18. St. lcBvispinum(p. 90) 

 1 9 . St . s ublcevispinwn 



(p. 91) 

 20. St. subnudibrachiatum 



(p. 91) 

 21. St. asperum (p. 74) 



9-13. 

 14-15. 



Figs. 



53 





 55 



55 



Figs. 



PLATE CXLII. 



1 -7 . Staurastrum brachia- 



tum (p. 88) 

 8. St. inconspicuum (p. 



86) 

 9-10. St. franconicum (p. 



85) 



11-15. St. hexacerum (p. 138) 

 16-18. St. neglectum (p. Ill) 

 19-20. St. Haaboeliense (p. 



140) 

 21-22. St. brachycerum (p. 



136) 



23. St. affine (p. 128) 

 "24:. St. polymorphism (p. 

 125) ' 



PLATE CXLIII. 

 1-6. 



55 



pulytnor- 

 p/non (p. 125) 

 7-8. /SY. injicxiim (p. 108) 



