MIDDLE DEVONIAN COAL IN ILLINOIS 15 



Paratype. — Plate 4, figure 11; maceration 1510, slide 22, coordinates 

 128.5 x 38.3; size, 63.4 by 52.0 \l. 



Tetrad. — Plate 4, figure 12; maceration 1510, slide 23, coordinates 143.3 

 x 49.5; size, 82.9 by 80.3 \±. 



Comparison. — L. pseudomagnifica has an over-all appearance similar to 

 that of L± magnifica McGregor, 1960, except that the latter has thickened lips 

 and small coni and grana, and its surface is scabrate to finely punctate-vermicu- 

 late. 



Etymology. — The specific name of this species suggests its resemblance to 

 Lycospora magnifica McGregor, 1960. 



Lycospora sp. 

 Plate 4, figure 13 



Description. — The spore is radial, trilete, and roundly triangular in outline 

 The commissure is indistinct, and the simple rays extend to the inner margin of 

 the cingulum. The well developed cingulum is about 6.5 [x wide and extends from 

 the proximal surface. The exine is finely punctate; the punctations are up to 1 [i 

 in diameter and 2 jjl apart. The proximal side is 2.6 \i thick, and the distal side 

 is 3.3 \i thick. The size is 66.6 by 50.4 \± (including cingulum). 



Genus SPELAEOTRILETES Neves and Owens, 1966 

 Type species. — _S_. triangulus Neves and Owens, 1966. 



Spelaeotriletes sp. 

 Plate 4, figures 14-16 



Description. — The spores are radial, trilete, and roundly triangular in out- 

 line. The spore margin is partly uneven. A commissure is not visible, but the 

 trilete rays are distinguished by thin folds, about 4 \± wide, that extend almost to 

 the spore equator. The central portion (intexine) of the spore, whose radius is 

 about two-thirds the total radius, is well delineated and about the same thickness 

 as the rest of the spore. The exine is infra -punctate to infra -vermiculate. On the 

 distal side are rounded, elongated verrucae that gradationally increase in size and 

 packing toward the pole. The largest verrucae are about 7 \± in diameter, and they 

 are occasionally joined at their bases. Most verrucae bear thin spines at their 

 apexes. The sharply pointed spines are strongly curved toward the ends and are up 

 to 7 \± long. Size range (3 specimens): 91.0 to 122.9 \x. 



Genus SPINOZONOTRILETES (Hacquebard) Neves and Owens, 1966 

 Type species. — S_. uncatus Hacquebard, 1957. 



