EXPLANATION OF PLATES y 169 
Plate 55. а. PHORADENDRON PENINSULARE. The type (Mexico, 
Rose, 16354). b. P. saccatum. The type (Mexico, Rose, 16562). Both 
photographed by permission in the U. S. National Herbarium. 
Plate 56. PHORADENDRON RoBINSONU. The type, staminate (Mex- 
ico, Pringle, 6272). 
Plate 57. a. PHORADENDRON RoniNsONI. Fruiting specimen 
(Mexico, Rose & Hay, 5939). b. P. Rosınsonn Hinpst (Mexico, Hinds, 
1841) ; photographed by permission at Kew. 
Plate 58. PHORADENDRON VELUTINUM. a. Type of Viscum veluti- 
num, staminate (Mexico, Berlandier, 1158) ; photographed by permis- 
sion in the Delessert herbarium at Geneva. b. A pistillate specimen 
(Mexico, Pringle, 9509). 
Plate 59. PHORADENDRON SCABERRIMUM. a. The type, pistillate 
(Mexico, Rose, 3409). b. A second specimen (Mexico, Rose, 1712). 
Both photographed by permission in the U. S. National Herbarium. 
Plate 60. PHORADENDRON LONGIFOLIUM. The type (Mexico, Kar- 
winski, 1833) ; photographed in the Brussels herbarium for Professor 
Bommer. 
Plate 61. PHORADENDRON USPANTANUM. The type (Guatemala, 
Heyde & Luz, 3141). 
Plate 62. PHORADENDRON CALYCULATUM. The type collection of 
Viscum falcatum Hooker, staminate (Mexico, Galeotti, 2696) ; photo- 
graphed in the Brussels herbarium for Professor Bommer. 
Plate 63. PHORADENDRON CALYCULATUM. А pistillate specimen 
(Mexico, Pringle, 4699). 
Plate 64. а. PHORADENDRON CALYCULATUM FILIPES. The type, 
staminate (Mexico, Pur "urpus, 6: 6279); photographed by permission at the 
New York Botanical багаа — b. P. CALYCULATUM GONZALEZI. The 
type (Mexico, Conzatti and Gonzalez, 295) ; photographed by permis- 
sion in the Gray herbarium at Cambridge. 
Plate 65. PHORADENDRON ANNULATUM. a. The. Бра, pistillate 
(Costa Rica, Oersted, 14) ; photographed by permission in the herba- 
rium at Copenhagen. b. A specimen with young and matured fruit 
(Guatemala, Smith, 2610). 
Plate 66. PHORADENDRON MULTIFLORUM. The type, staminate 
(Guatemala, Kellerman, 5154). 
Plate 67. PHORADENDRON MULTIFLORUM. A pistillate specimen,— 
one branch deformed into a gall (Guatemala, Kellerman, 5155) ; pho- 
