Fig. 296. A. Psaronius infarctus (P, peripheral steles ; L, leaf-traces). 



B. P. infarctus, longitudinal tangential section througli the 



peripheral region of the stem. 



C. P. coalescens. 



D. P. musaeformis . 



E. P. asterolithus (root). 



(A— C, E, after Zeiller; D, after Stenzel.) 



