12 



PENNSYLVJNIAN SPORES OF ILLINOIS 



Table 1. — Summary of 



Genus 



Symmetry- 



Shape in Transverse 

 Plane 



Size in 

 Microns 



Ornamentation 



Punctati-sporites 

 (PI. 1, Figs. 5-9; 

 PI. 2, Figs. 1-11) 

 Description page 14 



G ran vi lati-spontes 

 (PI. 3, Figs. 1-11) 

 Description page 19 



Alati-sporites 

 (PI. 4, Figs. 1-5) 

 Description page 23 



Reticulati-sporites 

 (PI. 4, Figs. 6-7; 

 PI. 5, Figs. 1-2,4-5) 

 Description page 25 



Laevigato-sporites 

 (PI. 5, Figs. 3, 6-11) 

 Description page 27 



Denso-sporites 

 (PI. 6, Figs. 1-11, 

 PI. 7, Figs. 1-2) 

 Description page 31 



Cirratriradites 

 (PI. 7, Figs. 3-6) 

 Description page 34 



Rndosporites 

 (PI. 7, Figs. 7-9) 

 Description page 36 



Triquitrites 

 (PI. 8, Figs. 1-5) 

 Description page 37 



Calamospora 

 (PI. 9, Figs. 1-5) 

 Description page 40 



Reinschospora 

 (PI. 9, Figs. 6-7; 

 PL 10, Figs. 1-2) 

 Description page 42 



Lvcospora 



(PI. 10, Figs. 3-7) 



Description page 44 



Raistrickia 

 (PI. 10, Figs. 8-9; 

 PI. 11, Figs. 1-8; 

 PI. 12, Fig. 1) 

 Description page 45 



Florinites 



(PI. 12, Figs. 2-8) 



Description page 48 



Cadiospora 

 (PI. 16, Fig. 1) 

 Description page 50 



Illinites 



(PI. 1, Figs. 1-4) 



Description page 51 



Schopfites 



(PI. 13, Figs. 1-4) 



Description page 52 



Schulzospora 

 (PI. 13, Figs. 5-8) 

 Description page 53 



Wilsonia 



(PI. 14, Figs. 1-4) 



Description page 54 



Radial 



Radial 



Radial 



Radial 



Bilateral 



Radial 



Radial 



Radial 



Radial 



Radial 



Radial 



Radial 



Radial 



Bilateral (?) 



Radial 



Radial, appears 

 bilateral because 

 of bladders. Blad- 

 ders not inclined 

 distally. 



Radial 



Radial 



Radial 



Round to sub- 

 triangular 



Roundly triangular 

 to triangular 



Subtriangular 



Round to oval or 

 roundly triangular 



Bean-shaped to 

 suboval 



Round or oval to 

 subtriangular 



Round to sub- 

 triangular 



Round 



Subtriangular to 

 triangular 



Round 



Subtriangular to 

 triangular 



Round to sub- 

 triangular 



Round to sub- 

 triangular 



Elliptical body 

 (circular) 



Round 



Oval to elliptical 

 (body oval to circu- 

 lar) 



Round 



Elliptical (body 

 circular) 



Round 



27.3 to 111 



25 to 85 



70 to 150 



40 to 126 



14 to 150 



25 to 100 



50 to 175 



22 to 75 



30 to 165 



30 to 85 



18 to 45 



37 to 90 



50 to 210 



105 to 

 117.6 



56 to 70 



78 to 115 



67 to 112 



69 to 98 



Punctate, papillate, reticulate-like, 

 apiculate, verrucose, vermiculate, or 

 setaceous 



Levigate, granulose, punctate, verrucose, 

 spinose, setaceous, or reticulate (?) 



Bladder — Granulose or punctate 

 Body— Levigate, granulose, punctate, or 

 reticulate 



Reticulate, body wall levigate to punctate 



Levigate, punctate, apiculate, verrucose, 

 rugose, obvermiculate, mildly reticulate 



Body — Levigate, granulose, punctate, 

 reticulate, papillate, rugose, 

 vermiculate 



Equatorial portion — as above 



Levigate, granulose, punctate, or 

 reticulate 



Bladder— Externally — Levigate, granu- 

 lose or punctate 

 Internally— Reticulate or 

 punctate 



Body — Levigate or punctate 



Levigate, granulose, mildly punctate, 

 verrucose, spinose, or with blunt processes 



Levigate or mildly punctate 



Body— Levigate, granulose, or punctate 

 Equatorial range — Spinose or setaceous 



which are single or 



partate 



Levigate, granulose, punctate, or rugose 



Spinose or setaceous which are single or 

 partate, or verrucose 



Bladder — Externally — Levigate, granu- 

 lose, rugose 

 Internally — Reticulate 



Body — Levigate, granulose, or faintly 

 punctate 



Punctate to granulose 



Bladder — Externally — Levigate 



Internally — Coarsely punctate 



to reticulate 

 Body — Levigate to granulose 



Proximal surface — Levigate 

 Distal surface— Blunt to round 

 projections 



Bladder — Finely punctate 

 Body — Finely punctate 



Bladder — Externally — Levigate 



Internally — Reticulate 

 Body — Levigate to granular 



