Abstract
Leisman, Gilbert A. (Kansas State Teachers Coll., Emporia.) Further observations on the structure of Selaginellites crassicinctus. Amer. Jour. Bot. 48(3): 224–229. Illus. 1961.—Specimens of Selaginellites crassicinctus Hoskins and Abbott in coal balls from southeastern Kansas have yielded new information concerning the anatomy of this strobilus. The axis contains an exarch protostele apparently suspended in an air-cavity by endodermal trabeculae. Sporophylls are attached in alternating whorls of 4 each. The strobilus is compared with modern Selaginella and a related compression fossil species.
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