EXPLANATIONS AND REFERENCES, 

 PLATE CXLVIII. 



Figures magnified 800 diameters. 



PAGE. 



Figs. 1, 2. MESOCARPUS NUMMULOIDES, . . . 231 



" 3, 4. MESOCARPUS PARVULTIS, .... '230 



Fitf. 5. MOUGEOTIA VERRUCOSUS, ... . 229 



u f>. MESOCARPUS PARVULUS, Var., 



" 7-10. MESOCARPUS RADICANS, ... . 231 



" 11-15. PLAGIOSPERMUM TENUE, ..... 233 



