30 



mum diameter; median, 38.5 /x (not includ- 

 ing ornamentation) . 



Holotype. — Plate 3, figure 25; negative 

 6115; Trivoli Cyclothem, maceration 1128-H, 

 slide 7, coordinates, 128.1 X 53.9; size, 41.5 

 by 39.2 /x (not including ornamentation) . 



Tetrad. — Plate 3, figure 26; negative 4744; 

 Trivoli Cyclothem, maceration 1128-H, slide 

 15, coordinates, 133.8 X 40.1; maximum di- 

 ameter of largest specimen, 39.5 /x. 



Derivation of name. — The species name 

 refers to the Chapel (No. 8) Coal. 



Punctatis pontes saetiger sp. nov. 

 Plate 4, figures 1-2 



Diagnosis. — The spores are radial, trilete, 

 subcircular to circular in outline, usually in 

 poor proximal-distal orientation, and often 

 folded, giving the appearance of bilateral 

 spores. The trilete rays may be obscured by 

 folding or ornamentation. Two of the rays 

 are more than three-fourths the length of the 

 spore radius, but the third ray is usually much 

 shorter. The commissure is generally open, 

 and lips may be present but are difficult to 

 distinguish. The proximal and distal surfaces 

 are covered with papillae and occasionally 

 setae, 0.5 to 1.5 /x long and less than 1 xt, in 

 diameter. The projections are circular in end 

 view. They are variably spaced — as much as 

 3 ft, apart or so close together that the spore 

 coat in some specimens appears punctate and 

 in others seems partly punctate and partly 

 papillate. From 55 to 70 projections extend 

 beyond the margin of the spore coat but are 

 so crowded that they are difficult to count. 

 The spore coat is 1.5 to 2 /x thick. Dimen- 

 sions (35 specimens) : size range, 19.5 to 

 32.1 n in maximum diameter; median, 23.3 /x 

 (not including ornamentation) . 



Holotype. — Plate 4, figure 1 ; negative 6470; 

 Ilenshaw Formation, maceration 1122-Q, 

 slide 34 ZB, coordinates, 134.6 X 42.7; size, 

 24.1 by 21.1 /x (not including ornamenta- 

 tion) . 



Paratype. — Plate 4, figure 2; negative 5444; 

 Henshaw Formation, maceration 1122-Q, 

 slide 5 ZB, coordinates, 135.0 X 44.4; size, 

 25.6 by 23.3 /x. 



Comparison. — Punctatisporites saetiger is 

 similar to Plants pontes parvus Lakhanpal, 



Sah, & Dube, 1958, but the latter has low coni 

 rather than papillae, has about 50 coni at the 

 margin, and has rays of equal length. Api- 

 culatis pontes parvispinosus Leschik, 1956, has 

 shorter rays (about 5 /x long) and shorter pro- 

 jections (spines about 0.5 /x long) than Punc- 

 tatisporites saetiger. P. saetiger has larger, 

 more abundant, and more distinct projections 

 than P. minutus Kosanke, 1950. P. saetiger 

 is more intensely ornamented than Cyclo- 

 granisporites pressoides Potonie & Kremp, 

 1955, which is thus more like P. minutus. 

 C. leopoldi (Kremp) Potonie & Kremp, 1954, 

 is granulose and has rays of equal length that 

 are shorter (half the spore radius) and less 

 conspicuous than those of P. saetiger. 



Derivation of name. — The species name re- 

 fers to the many bristle-like projections {sae- 

 tiger) . 



Punctatisporites compactus sp. nov. 

 Plate 4, figures 3-4 



Diagnosis. — The spores are radial, trilete, 

 and roundly triangular to subcircular in out- 

 line. The rays extend to the spore margin 

 and are indistinct, because of the intense 

 ornamentation. The proximal and distal sur- 

 faces are densely covered with papillate to 

 granulose projections that show continuous 

 gradations between the two. The papillae 

 have blunt, expanded ends and are 1 to 2 /x 

 long and about 1 /x in diameter, the longer 

 ones being slightly curved. The surface of 

 the spore coat appears to be punctate where 

 the ornamentation is closely spaced so that a 

 single specimen may be partly papillate and 

 partly punctate. Some papillae or grana are 

 joined as elliptical projections. The exine is 

 about 1 /x thick. Dimensions (30 specimens) : 

 size range, 19.8 to 31.8 xt in maximum di- 

 ameter (not including ornamentation) ; me- 

 dian, 25.3 /x . 



Holotype. — Plate 4, figure 3 ; negative 4928 ; 

 Trivoli Cyclothem, maceration 1128-G, slide 

 2, coordinates, 143.0 X 42.8; size, 22.4 by 

 19.8 /x (not including ornamentation). 



Paratype. — Plate 4, figure 4; negative 4742; 

 Trivoli Cyclothem, maceration 1128-H, slide 

 16, coordinates, 126.4 X 39.0; size, 26.2 by 

 25.3 /x (not including ornamentation) . The 

 paratype illustrates the reduction of papillae 

 to low, grana-like projections. 



