PLATE 14 



All specimens photographed with transmitted light, unless otherwise indi- 

 cated. Color of filter, when used, also indicated. 



Monoletes spp p. 62 



Figure 



1. Small proximo-distal compression showing distal folds and medially 

 deflected suture. Inner coat detached from outer coat and folded at 

 each end. Total length 200^. Maceration 795 slide 11, coal in Casey - 

 ville Group, Wabash County, Illinois. Green filter, same scale as fig- 

 ures 8, 11, (X150). 



2. Proximo-distal compression showing distal folds and medially deflected 

 suture. Length 353 /j.. Maceration 906KOH slide 6, "Makanda" Coal, 

 Jackson County, Illinois. Same scale as figures 8, 11, (X150). 



3. Proximo-distal compression. Distal folds and medially deflected suture 

 evident. Inner coat detached from outer coat and folded. Total length 

 489 fi. Maceration 915 slide 5, Murphysboro (?) Coal, Williamson 

 County, Illinois. Red filter, same scale as figures 4, 7, (xlOO). 



4. Proximo-distal compression showing distal folds and medially deflected 

 suture. Inner coat detached from outer coat and folded. Length 401 u. 

 Maceration 599B slide 9, Rock Island (No. 1) Coal, Fulton County, 

 Illinois. Red filter, scale indicated below figure, (xlOO). 



5. Proximo-distal compression showing vague outline of distal folds. 

 Suture medially deflected with extremely short possible vestigial third 

 ray. Length 298 p.. Maceration 899 slide 2, Colchester (No. 2) Coal, 

 Fulton County, Illinois. Same scale as figures 8, 11, (X150). 



6. Well preserved proximo-distal compression showing distal folds and 

 medially deflected suture. Length 515 fx. Maceration 35 slide 3, un- 

 named coal above DeKoven Coal, Saline County, Illinois. Same scale 

 as figures 4, 7, (xlOO). 



7. Proximo-distal compression. Central body small with thick coat, 288 /j. 

 in length. Short third ray 26 fi in length. Maceration 35 slide 2, un- 

 named coal above DeKoven Coal, Saline County, Illinois. Red filter, 

 scale indicated above figure, (xlOO). 



8. Proximo-distal compression. Suture masked by thin folds. Length 

 278 fi. Maceration 600 slide 11, "LaSalle" Coal, Bureau County, Illi- 

 nois. Green filter, scale indicated below figure, (xl50). 



9. Proximo-distal compression of spore from spore mass showing distal 

 folds and medially deflected suture. Very short third ray present. 

 Length 355 /z. Maceration 811 slide 9, "Divide" Coal, Jefferson County, 

 Illinois. Same scale as figures 8, 11, (xl50). 



10. Spore masses. Maceration 811 slide 2, "Divide" Coal, Jefferson County, 

 Illinois. Reflected light, scale indicated below figure, (xl5). 



Parasporites spp p. 63 



11. Slightly oblique lateral compression showing position of bladders. 

 Length of spore body 272 y,. Maceration 490D slide 4, Friendsville Coal, 

 Wabash County, Illinois. Scale indicated above figure, (xl50). 



12. Proximo-distal compression showing medially deflected suture with 

 very short third ray. Total length 309 p.. Maceration 579C slide 5, Col- 

 chester (No. 2) Coal, Bureau County, Illinois. Red filter, same scale as 

 figures 8, 11, (xl50). 



131 1 



