PLATE XLIII. 



Gsertneria deltoidea Torr. 



Fig. 1. Ci'oss section of stem, showing at a, cork; b, collenchyma; c, 

 cortex parenchyma; d, bast fibers; e, pericycle parenchyma; /, phloem 

 tissue; g, xylem; Ii, pith, x 100. 



Fig. 2. Ditto, x 100. 



