24 THE GENUS PHOEADENDEON 



1, 1854). Calaveras Grove (Hutchens, 1900; also on Abies). Sierraville 

 (Lemmon, 1879) . Tehipite Valley (Hall & Chandler, 527} . Black Butte 

 (Engelmann, 1880) . Eldorado Co. (Hansen, 1887). Yreka (Hedgcock, 

 1898; Pond, 183). Amador Co. (Curran, 1886; Hansen, 74, 721). 

 Butte Co. (Bruce, 687). Mariposa (Congdon, 1903). Sugar Pine 

 (cfter/ee,1914). Wawona (Solereder, 1893). Yosemite Valley (Hottes, 

 1914 ; Hedgcock & Meinecke, 4805) . Kern River Valley ( Coville & Funs- 

 ton, 1729). Colby (Austin, 698). Fish Camp (Hedgcock & Meinecke, 

 4830) . San Bernardino Mountains (Parrij & Lemmon, 373 ; Parry, 877 ; 

 Rusby, 1909; Parish, 970, 5071; 3005, on Pinus). Riverside (Grant, 

 4517). San Jacinto Mountains (Leiberg, 3150; Grant, 977; Hall, 2565). 

 San Diego Co. (Stokes, 1895). Cuyamaca Mountains (Orcutt, 234). 

 NEVADA. Franktown, Washoe Co. (Lewers, 1892). Lincoln Co. (? Co- 

 ville & Funston, 307). MEXICO. LOWER CALIFORNIA. Without locality 

 (Brandegee, 1893). 



Phoradendron ligatum n. sp. 



Not forked, the rather elongated and slender somewhat squarish 

 branches without cataphyls, dioecious. Internodes short (2x5-10 mm.), 

 rather prominently cellular-granular. Stem scales spreading, nearly 

 half-round, sharply constricted-grooved at base but not deciduous, 1 mm. 

 long. Spikes solitary, very short (2 mm.), smooth : peduncle about 1 mm. 

 long. Fruit?. Plates 3, 15. 



Californian region passing into the western Sierra Madre ( 1 exclu- 

 sively) on Juniperus. The type from Oregon. The western representa- 

 tive of the Rocky Mountain P. juniperinum, from which it is scarcely sep- 

 arable except by its curiously constricted scales. 



Specimens examined : UNITED STATES. OREGON. Crook Co. ( Cusick, 

 2637, -the type; Leiberg, 285; WJiited, 3179). Klamath Lake (Coville, 

 1351). CALIFORNIA. Mono Pass (Bolander, 1866). Sierraville (Lem- 

 mon, 1875, 1879). Amador Co. (Hansen, 721). Plumas Co. (Austin, 

 1876). Modoc Co. (Manning, 58). Sisson (Lyon, 1905). Warren Mts. 

 (Griffiths & Hunter, 405). San Bernardino Mts. (Parish, 1444) 

 NEVADA. Virginia City (Bloomer, 1863-4). Reno (t Hillman, 11715). 

 Franktown (Lewers). Without locality (Clendon, 1871; Wlieeler, 1872; 

 Pratten). MEXICO. DURANGO. Santiago Papasquiaro (Palmer, 79). 

 CHIHUAHUA. Huajotitan (Endlicli, 1164). Guachochi (Goldman, 178) . 

 "Sierra Madre" ( ? Jones, Sept. 23, 1903,-on Cupressus). 



2. BOLLEANAE. 



Leaves sessile, articulated with the stem, scale-like (but fleshy) in the 

 first species only. Californian and Chihuahuan regions, extending to the 

 Pacific island Guadalupe and the eastern Sierra Madre of Mexico in a 

 single species each. 



