[Vor. 1, 1914] 
404 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
ExPLANATION OF PLATE 
PLATE 23 
Figs. 1 and 2. Megapterium argyrophyllum. From the type specimens, J. Rever- 
chon, No. 2749 in part, in the Herbarium of the Missouri Botanical Garden. 
Fig. 3. М. argyrophyllum var. retusifolium. From the type specimen, J. Rever- 
chon No. 2749 in part, in the Herbarium of the Missouri Botanical Garden. 
