SPORE-PRODUCING MEMBERS 
Fic. 221. 
Slab showing fertile shoots of Sphenophyllum majus, Broun. sp. After a photograph 
from the specimen in the Musée roy. d’hist. nat. de Belgique, Brussels, and here inserted 
by permission of the director, M. E. Dupont. The curved specimen running up the 
middle of the slab shows a vegetative region with long internodes above and below, and 
a fertile region showing short internodes between them. 
405 
