228 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



20. Phoradendron falcatum (Schlecht. & Cham.) Trel. Geu. Phorad. 65. '1916. 

 Viscuiii falcatum Schlecht. & Cham. Linnaea 5: 172. 1830. 



Viscum schiedeanum DC. Prodr. 4: 671. 1830. 



San Luis PotosI and Veracruz ; type from Jalapa ; on Qiiercus. 



Leaves 8 to 15 cm. long. 1.5 cm. wide, obtuse ; spikes 1.5 to 2.5 cm. long. 



21. Phoradendron forestierae Robins. & Greenm. Proc. Amer. Acad. 32: 36. 

 1896. 



Phoradendron pvinglei Trel. Gen. Phorad. 60. jA. 70. 1916. 



Hidalgo and Puebla ; type collected between Teliiiacrvn and Esperanza Puebla ; 

 on Fores tier a and Fraxinus. 



Leaves linear-lanceolate, 5 to 16 cm. long, obtuse or acute; spikes 1 to 4 cm. 

 long. 



22. Phoradendron calyculatum Trel. Gen. Phorad. 54. pi. 62, 63. 1916. 

 Mscum falcatum Hook. Icon. PI. 4: pi. 368. 1841. Not V. falcatum Sclilecht. 



& Cham. 1830. 

 Veracruz and Oaxaca ; type from Jalapa ; on Quercu.^. 



Leaves narrowly falcate-lanceolate, obtuse, 15 to 25 cm. long; spikes 3 to 4 

 cm. long. 



23. Phoradendron californicum Nutt. .Tourn. Acad. Phila. II. 1: 185. 1848. 

 Baja California, Sonora, and Sinaloa. California (type locality) to Utah. 



Reported on Acacia, Prosopis, Zizyphus, Parkinsonia, Olneya, Covillea, and 

 Microrhamnus. 



Spilves 5 to 10 mm. long; fruit red, 3 mm. in diameter. 



Russell^ reports that this plant is eaten by the Pima Indians of Arizona. 

 The stems bearing the fruit are boiled, and the fruit is then stripped off into 

 the mouth and eaten. 



24. Phoradendron lig-atum Trel. Gen. Phorad. 24. pi. 15. 1916. 



Chihuahua and Durango ; probably in Baja California. California, Oregon 

 (type locality), and Nevada. On Juniperus and Cuprcssua. 

 Spikes about 2 mm. long. 



25. Phoradendron juniperinum Engelni. Mem. Amer. Acad. n. ser. 4: 58. 1849. 

 Chihuahua. Western Texas to Colorado, Utah, and Arizona ; type from 



Santa Fe, New Mexico. On Juniperus. 



Spikes 3 nmi. long; fruit yellowish or wine-colored. 



According to Hough, the Hopi Indians of Arizona u.se the plant as a sub- 

 stitute for coffee. 



26. Phoradendron libocedri (Engelm.) Howell, Fl. Northw. Amer. 1: 608. 1902. 

 Phoradendron juniperinum libocedri Engelm. ; S. Wats. Bot. Calif. 2: 105. 



1880. 

 Baja California. California (type from Las-sens Peak) and Oregon. On 

 L i boccdrus decurrcns. 



Spikes 3 nun. long ; fruit straw-colored. 



27. Phoradendron minutifolium Urban, Bot. Jahrb. Engler 23: Beibl. 5: 2. 

 1897. 



Veracruz ; type from Llanos de Perote ; on Juniperus. 

 Leaves acute, 2 to 3 mm. long ; spikes 3 mm. long. 



28. Phoradendron capitellatum Torr. ; Trel. Gen. Phorad. 25. pi. 17. 1916. 

 Sonora. Western Texas to Arizona ; type from New Mexico. On Juniperus. 

 Leaves 1 to 1.5 cm. long, acute; spikes 5 nun. long; fruit straw-colored. 



29. Phoradendron tequilense Trel. Gen. Phorad. 26. pi. 18. 1916. 



Known only from the type locality. Sierra de Tequila, Jalisco. Rcitorted on 

 "Thuya" {Cupressus or Juniperu si). 



' Frank Ru.ssell, The Pima Indians, Ann. Rept. Bur. Amer. Ethnol. 26. 1908. 



