Plate I. Leucodon. 

 a, b, c. — Apices of leaves of Leucodon jtilaceits, L. sciu7^oides &r^' L. 

 brackypus respectively X 2^0. d, e, f, — Upper-niediiDi, median-basal, and 

 alar cells respechvely of L. br achy pus X 2^0. g\--Secondary stein of L. 

 sciur aides having fagellcr. X .,^ h, — Flagella of L. sciucoides, X 30. z', — 

 Leaves of L. sciuroides. X 10. J ,—I^eaf of I^. J ulaceus, X 10. — Leaf of 

 L. brachypus, X 10. 



