34 



PLATE 2 

 Stellatheca latiloba Danze, 1956, p. 5 



Figure 



1 Specimen USNM 13386; scale 1:1 



2 Specimen USNM 13385 (counterpart of USNM 13386); scale 1:1 



3 Specimen USNM 13386; scale 5:1 



Spores of Stellatheca latiloba (correlated with ? Apiculatasporites , ? Microreticul- 

 atisporites, ? Foveosporites, ? Cvclogranispo rites ) 



Figure 



4-6 Specimen USNM 13386; scale 1200:1; scanning electron micrographs. 



7 Specimen USNM 13386; negative 8704; coordinates 130.0 x 50.5; size 

 35.8 x 30.9 urn; scale 1000:1* 



8 Specimen USNM 13385; negative 8573; coordinates 135.3 x 48.0; size 

 23.1 x21.8 urn; scale 1000:1. (Specimens USNM 13385 and 13386 are 

 counterparts .) 



9 Specimen USNM 13386; negative 8532; coordinates 137.5 x 51.0; size 

 32.8 x 28.6 urn; scale 1000:1 



10 Specimen USNM 13386; negative 8528; coordinates 130.5 x 50.1; size 



35.8 x 31 .9 urn; scale 1000:1 



* All coordinates refer to the mechanical stage of a Spencer microscope (serial 

 number 41729 7) at the Illinois State Geological Survey. 



