1'LATE LIX. 



Kimuvs iii:i<ri)ific<| .~,IKI <li;mieterfi. 



PAGE. 

 Fig. 1. STAURASTRUM BRASILIENSE, ..... 160 



Figs. 2, 3. two end views, Florida and New 



Jersey forms, . . .160 



' 4, 5, 6. STUARASTRUM KUSTEIMIANUM, Minnesota form, . . 161 



" 7, 8. STAURASTRUM CUNEATUM, front and end vit-ws, . . 1(12 



" 9, 10. STAURASTRUM EUSTKPHANUM, (typicul form), 161 



Fig. 11. (elongated processes), . . 161 



Figs. 12, 13. STAURASTRUM KURCIGERUM, end and front views, . . 161 



Fig. 14. ;i variety, . 165 



Figs. 15, 16. STAURATRUM FURCATUM, variety, .... 1 ('>"> 



