460 



THE CARBONIFEROUS SYSTEM. 



Fig. 173.— Flowers and Fruits— Co&\ Formation. 



A, Antholithes squamosus, §. 



B, A. rhabdocarpi, §. B 1 , Carpel restored. 



C, A. spinosus, natural size. 



D, Trigonocarpurn intermedium. 



E, T. Nceggerathii. 



F, T. avellanum. 



G, Rhabdocarpus insignis, reduced. 

 II, Antholithes pygma?us. 



I, Cardiocarpum fluitans. 



K, Cardiocarpum bisectum. 



L, Sporangites papillata, nat. size and mag. 



