42 THE GENUS PHOEADENDRON 



Phoradendron villosum rotundifolium n. var. 



Differs from the type in its small orbicular-obovate leaves, l-l.2xl.5-2 

 cm. Plate 41. 



Southern range of the type, chiefly on Platanus and Quercus. 



Specimens examined: UNITED STATES. CALIFORNIA. Sta. Barbara 

 (Elmer, 3794 in part, the type) . Jolon, Monterey Co. (Eastwood, 1894) . 

 CajonPass (Bigelow, 7; Cooper, June 8, 1861; Trelease, 1892). 



Phoradendron tomentosum Oliver 



Phoradendron tomentosum Oliver, Vidensk. Meddel. Naturahist. 



Foren. Kjobenhavn. 1864. p. 176. 

 Viscum tomentosum de Candolle, Prodromus. vol. 4. p. 670. 1830. 



Not forked, the rather short stout branches without cataphyls, dioe- 

 cious. Internodes rather short (2-3x10-35 mm.), densely velvety-tomen- 

 tose like the foliage, with at first yellow hairs. Leaves obovate-oblan- 

 ceolate, very obtuse, 1-2x2-3.5 cm., involutely contracted rather than 

 petioled for about 3 mm. Spikes somewhat clustered, moderate (10 or 

 15 to 20-35 mm.), velvety-tomentose, with about 3 swollen joints some 

 8-flowered when pistillate and 12- to 30-flowered when staminate : pedun- 

 cle 2-3 mm. long : scales tomentose. Fruit white, subglobose, nearly gla- 

 brous, scarcely 4 mm. in diameter : sepals short- villous at base, more or 

 less meeting. Plate 42. 



Mexican tableland, on Celtis, Prosopis, Quercus, etc. The type from 

 central Mexico. 



Specimens examined: MEXICO. "Real de Catone" (Berlander, 1364, 

 1839, the type of V. tomentosum as also of V. mimosearum Moricand in 

 herb.). Banos del Grande near Real del Monte (Ehrenberg) . Cedros 

 (Lloyd, 147; Kirkwood, 147; Lloyd & Kirkwood, 15}. Durango ( ? Pal- 

 mer, 777, a very yellow- tomentose specimen with some leaves subacute. 



Phoradendron pubemlum n. sp. 



Not forked, the rather long and slender branches without cataphyls, 

 dioecious. Internodes long (2-3x30-60 mm.), minutely rusty-pubescent 

 like the foliage. Leaves oblanceolate, very obtuse, 1.5-2x4-7 cm.), cune- 

 ately rather slender-petioled for 5-10 mm. Spikes usually solitary, mod- 

 erate (30 mm.), pubescent, with about 4 ellipsoidal joints covered by 

 some 12 flowers when pistillate : peduncle 2-3 mm. long : scales and recep- 

 tacular cups rusty-ciliate. Fruit ? : sepals pubescent. Plate 43. 



Western Sierra Madre region of Mexico ( 1 exclusively) on Legumin- 

 osae. The type from western Mexico. 



