EXPLANATION OF PLATES 179 



Plate 162. PHORADENDRON TOWNSENDI. a. The type (Socorro Isl., 

 Barkelew, 177). b. Another collection (Socorro Isl., Townsend, 1899). 

 Both photographed by permission in the U. S. National Herbarium. 



Plate 163. a. PHORADENDRON GRACILE. The type, pistillate (Ja- 

 maica, Harris, 6392). b. P. GRACILE BALLII. The type, staminate (Ja- 

 maica, Ball, 1882). Both photographed by permission at Dahlem. 



Plate 164. PHORADENDRON MICROPHYLLUM. a. The type collection 

 of Viscum microphylluin (Brazil, Pohl, 245=4583) ; photographed by 

 permission in the National Museum at Prag. b. A fruiting specimen 

 (Brazil, Gardner, 1325) ; photographed by permission in the Delessert 

 herbarium at Geneva. 



Plate 165. PHORADENDRON AFFINE. The type of Viscum affine 

 (Brazil, Pohl 544). Photographed by permission: a, in the de Can- 

 dolle herbarium at Geneva; b, in the Natural History Museum at 

 Vienna. 



Plate 166. PHORADENDRON MARTIANUM. a. The type (Brazil, 

 Gardner, 1321). b. A fruiting specimen (Brazil, Gardner, 1323). 

 Both photographed by permission in the Delessert herbarium at Ge- 

 neva. 



Plate 167. a. PHORADENDRON GAUMERI. The type (Yucatan, Gau- 

 mer, 561). b. P. TAMAULIPENSE. The type (Mexico, Seler, 4484) ; 

 photographed by permission at Dahlem. 



Plate 168. PHORADENDRON ZACAPANUM. a. The type (Guatamala, 

 Kellerman, 5612). b. A second specimen (Guatemala, Kellerman, 

 5728). 



Plate 169. PHORADENDRON LYONI. The type (Venezuela, Lyon, 

 1900) ; photographed by permission in the U. S. National Herbarium. 



Plate 170. PHORADENDRON EMARGINATUM. a. The type collection 

 (Brazil, Claussen, 252) ; photographed by permission in the Delessert 

 herbarium at Geneva, b. A specimen showing the occasional emphasis 

 of the midrib beneath (Brazil, Glaziou, 9861) ; photographed by per- 

 mission at Copenhagen. 



Plate 171. PHORADENDRON OBOVATIFOLIUM. The type (Paraguay, 

 Morong, 1582) ; photographed at the New York Botanical Garden for 

 Professor Britton. 



Plate 172. a. PHORADENDRON MINOR. The type (Brazil, von Mar- 

 tins') ; photographed by permission at Munich, b. P. MUCRONATUM. 

 A representative specimen (Martinique, HaJin, 296) ; photographed 

 by permission in the Delessert herbarium at Geneva. 



