DEVELOPMENT OF PALEOBOTANY IN THE ILLINOIS BASIN 63 



HOPPMEISTER, W. S., P. L. STAPLIN, and R. E. MALLOY, 1955, Mississippian plant 



spores from the Hardinsburg Formation of Illinois and Kentucky: Jour. 

 Paleontology, v. 29, no. 3, p. 372-399. 



HOOKER, J. D., and E. W. BINNEY, 1855, On the structure of certain limestone nodules 

 enclosed in seams of bituminous coal, with a description of some Trigono- 

 carpons contained in them: Philos. Trans. Royal Soc, v. CXLIX, p. 149- 

 156. 



HOSKINS, J. H. , 1923, A Paleozoic angiosperm from an American coal ball: Bot. Gaz- 

 ette, v. 75, no. 4, p. 390-399. 



HOSKINS, J. H., 1926, Structure of Pennsylvanian plants from Illinois. 1: Bot. 

 Gazette, v. 82, no. 4 , p. 427-437- 



HOSKINS, J. H. , 1928a, Structure of some Carboniferous plants from Illinois: In- 

 diana Acad. Sci. Proc. (1927), v. 37, p. 373-376. 



HOSKINS, J. H., 1928b, Notes on the structure of Pennsylvanian plants from Illi- 

 nois. 2: Bot. Gazette, v. 85, no. 1, p. 74-82. 



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HOSKINS, J. H. , 1930, Contributions to the coal-measure flora of Illinois: 

 Midland Naturalist, v. 12, no. 5, P. 15^-163. 



Am. 



HOSKINS, J. H. , 1931, Structure and classification of certain cycadof ilicinean 

 roots from the McLeansboro Formation of Illinois: Am. Midland Natur- 

 alist, v. 12, no. 12, p. 533-5^8. 



HOSKINS, J. H. , 1933, A Ptycho carpus type of fructification from Illinois: Am. 

 Midland Naturalist, v. 14, no. 6, p. 726-728. 



HOSKINS, J. H., 1934, Psaronius illinoensis 

 3, p. 358-362. 



Am. Midland Naturalist, v. 15, no. 



HOSKINS 



J. H., and M. L. ABBOTT, 1956, Selaginellites crassicinctus , a new 

 species from the Desmoinesian Series of Kansas: Am. Jour. Botany, 

 v. 43, no. 1, p. 36-46. 



HOSKINS, J. H., and A. T. CROSS, 1940, Two new species of Lepidostrobus from 

 the lower Pottsville of Orange County, Indiana: Am. Midland Natu- 

 ralist, v. 12, no. 12, p. 533-548. 



HOSKINS, J. H., and A. T. CROSS, 194l, A consideration of the structure of Lepido - 

 carpon Scott based on a new strobilus from Iowa: Am. Midland Naturalist, 

 v. 25, no. 3, p. 523-5^7. 



HOSKINS, J. H., and A. T. CROSS, 1942, New interpretation of Sphenophyllostachys 

 based on a petrified specimen from an Iowa coal ball: Illinois Acad. 

 Sci. Trans., v. 35, no. 2, p. 68-69. 



HOSKINS, J. H., and A. T. CROSS, 1943a, Monograph of the Paleozoic cone genus 

 Bowmanites (Sphenophyllales ) : Am. Midland Naturalist, v. 30, no. 1, 

 p. 113-163. 



HOSKINS, J. H., and A. T. CROSS, 1943b, Notes on a new specimen of Lepidostrobus 

 imbricatus Hoskins and Cross: Am. Midland Naturalist, v. 29, no. 2, 

 P. 539-5^1. 



HOSKINS, J. H., and A. T. CROSS, 1946a, Studies in the Trigonocarpales . Part 1. 

 Pachytesta vera , a new species from the Des Moines Series of Iowa: Am. 

 Midland Naturalist, v. 36, no. 1, p. 207-250. 



HOSKINS, J. H., and A. T. CROSS, 1946b, Studies in the Trigonocarpales. Part 2. 

 Taxonomic problems and a revision of the genus Pachytesta : Am. Mid- 

 land Naturalist, v. 36, no. 2, p. 331-361. 



HOSKINS, J. H., and A. T. CROSS, 1952, The petrifaction flora of the Devonian- 

 Mississippian black shale: Palaeobotanist, v. 1, p. 215-238. 



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