BOREALES—FERRUGINEAE 51 
5. FERRUGINEAE. 
Leaves broad, large for the group, very obtuse, thick. Shoots neither 
acutely angled nor much compressed. Mexican Cordillera and Western 
Sierra Madre. 
Heavy-leaved : densely rusty-villous. P. Robinsoni. 
^ PHORADENDRON ROBINSONII (Urban). lvn 
Phoradendrum Robinsonii Urban, Bot. Jarhb. vol. 23. Beiblatt 5. p. 4. 
1897. 
Not forked, the long stout branches without eataphyls, dioecious. In- 
ternodes rather long (3-5x40-50 mm.), at first very densely rusty-villous 
like the foliage. Leaves broadly elliptical to oblanceolate or obovate, very 
obtuse, 1.5-4x5-7 em., cuneately stout-petioled for 10-15 mm. Spikes 
often clustered, sometimes produced side by side in successive years, mod- 
erate (20-35 mm., lengthening to 50 or even 85 mm. in fruit), villous, 
with 5-7 rounded joints about 20-flowered when pistillate or oblong and 
raany-flowered when staminate: peduncle 3 mm. long: scales villous and 
long-ciliate. Fruit subglobose, retrorsely long-villous or hispid, 4 mm. in 
diameter, in approximated globose clusters 10 mm. in diameter: sepals 
pubescent, incurved.—Plates 56, 57. 
Cordillera and Western Sierra Madre of Mexico (? exclusively) on 
Celtis ——The type from Tehuacan. 
Specimens examined :—MeExico. Without locality (Karwiniski; Hahn, 
1865-6,—P. Hahnii Eichler in herb.). Tehuacan (Pringle, 6272, 1895,— 
the type, 9467, 13765; Rose & Hay, 5939; Rose, Painter & Rose, 9877; 
Rose & Rose, 11259; Endlich, 1895; Purpus, 5832; Conzatti, 2199). To- 
nila (Kerber, 87). Acapulco (Liebmann, 9, 3102, 1841,-Р. tomentosum 
Oliver, Vidensk. Meddel. Naturh. Foren. Kjóbenhavn. 1864. p. 176; 
Hinds, 1841, —slenderer and with thinner leaves, f. Hindsi.—Plate 9). 
6. VELUTINAE. 
Leaves large for the group, characteristically elongated, somewhat 
acuminately attenuate, rather thin and conspicuously nerved. Shoots 
neither angled nor much compressed. Cordilleran region of Mexico and 
Guatemala, 
Thin-leaved : yellow-villous. P. velutinum. 
PHORADENDRON VELUTINUM Nuttall. 
Phoradendron velutinum Nuttall, Journ. Acad. Philadelphia. n. s. vol. 1. 
p. 185. 1847. 
Viscum velutinum de Candolle, Prodromus. vol. 4. p. 281. 1830. 
