44 THE GENUS PHORADENDRON 



(Hedrick, 181). Silver City (Hedgcock & Long, 9855). Grant Co. (Blu- 

 mer, 129, 197) . Magdalena Mts. (Herrick & Herrick, 133) . Pinos Altos 

 (Hedgcock, 815-7; Hedgcock & Long, 9830-2). Without locality (Wright, 

 1786, 1851-2). MEXICO. SONORA. Nogales (Mearns, 2643). San Jose 

 Mts. (Mearns, 1633, 1760). San Luis Mts. (Mearns, 391, 2528). LOWER 

 CALIFORNIA. Rancho Viejo ( ? Brandegee, 1889) . 



Specimens referred here that are prevailingly narrower-leaved than 

 usual though otherwise not closely alike, f . stenophylla, occur from Ari- 

 zona (Pajarito Mts., Trelease, 362; Chiricahua Mts., Pilsbry, 1906; Blu- 

 mer, 1531), and New Mexico (Silver City, Greene, 1880). To this per- 

 haps, is referable a specimen from the Sierra de la Laguna, Lower Cali- 

 fornia (Brandegee, Mar. 24, 1892), not readily placeable elsewhere. 



Phoradendron Havardianum n. sp. 



Not forked, the rather short but stout branches without cataphyls, 

 dioecious. Internodes short (2-3x20 mm.), rather persistently minutely 

 stellate-tomentose like the foliage. Leaves obovate-orbicular or elliptical, 

 very obtuse, small, scarcely lxl.5-2 cm., rather abruptly subpetioled for 

 about 2 mm. Spikes solitary, short (scarcely 10 mm.), puberulous, with 

 2 or 3 joints about 20-flowered when staminate : peduncle 2 mm. long : 

 scales puberulous. Fruit white, subglobose, glabrous, 3 mm. in diameter : 

 sepals pubescent at least at base, suberect. Plate 45. 



Chihuahuan region ( ? exclusively) on Quercus* The type from 

 Texas. 



Specimens examined: UNITED STATES. TEXAS. Guadalupe Mts. 

 (Havard, 82, Oct. 1881, the type). Cornudos Mts. (Havard, 84). Hueco 

 Tanks ( ? Mulford, 141). "Western Texas to El Paso, New Mexico" 

 ( ? Wright, 632, 1849 ) . " California ' ' (Bigelow, 1853-4) . 



Phoradendron Wilkinson! n. sp. 



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

 dioecious. Internodes short (2x10 mm.), minutely stellate-tomentose like 

 the foliage. Leaves obovate-orbicular or broadly elliptical, very obtuse, 

 small, l-l.5xl.5-2 cm. Spikes solitary, rather short (15-20 mm.), some- 

 what short-villous, with 3 or 4 ellipsoidal joints 14- to 20-flowered when 

 staminate : peduncle 2 mm. long : scales villous. Fruit ? : sepals glabrous. 

 Plate 45. 



Chihuahuan region. The type from Chihuahua. 



Specimens examined : MEXICO. Sta. Eulalia Mts. ( Wilkinson, Apr. 

 3. 1885, the type). 



*For a list of hosts see Hedgcock, Phytopathology, vol. 5. p. 178. 



