STANDLEY TREES AND SHRUBS OF MEXICO. 227 



Leaves elliptic-obovate, o1)tiise, 3.5 to 5 cm. long, subsessile; spikes 1.5 to 5 cm. 

 long; fruit coral-red or deep orange. " Ingerto," ^ " seca-palo " (Tamaulipas). 



In Tamaulipas the plant is used with "chile color" (Capsicum) to make an 

 ointment applied for the relief of pain. 



10. Phoradendron gaumeri Trel. Gen. Phorad. 114. pi. 167. 1916. 

 Known only from the type locality, Izamal, Yucatiln. 



Leaves elliptic-obovate, obtuse, 2.5 to 3 cm. long ; spikes 2 to 4 cm. long. 



11. Phoradendron guazumae Trel. Gen. Phorad. 104. pi. 148. 1916. 

 Sinaloa ; type from Mazatldn ; on Guazuma. 



Leaves oblanceolate or obovate. 4 to 5.5 cm. long, very obtuse; spikes 1 to 2 

 cm. long. 



12. Phoradendron commutatum Trel. Gen. Phorad. 106. pi. 150, 151. 1916. 

 Sinaloa to San Luis PotosI and Tabasco ; type collected between Guadalajara 



and Tepic. Honduras and Nicaragua. 



Leaves obovate, 3.5 to 5 cm. long, obtuse or acute; spikes 1.5 to 3 cm. long; 

 fruit red. " Cabellera " (Tabasco). 



13. Phoradendron brevifolium Oliver, Nat. For. Kjobenhavn Vid. Medd. 1864: 

 176. 1864. 



Puebla and Oaxaca ; type fx'om TehuacSn, Puebla. 



Leaves narrowly elliptic or oblong, 3 mm. wide, very obtuse, sessile; spikes 

 5 cm. long or shorter. 



14. Phoradendron pachyarthron Eichl. in Mart. Fl. Bras. 5 ': 122. 1868. 

 Known only from BaSos, Hidalgo, the type locality. 



Leaves 5 to 9 cm. long, obtuse, petiolate ; spikes 2 cm. long. 



15. Phoradendron schumanni Trel. Gen. Phorad. 62. pi. 11, 72. 1916. 

 Chihuahua. Durango, and Guanajuato ; type from Jaral, Guanajuato ; on 



Querctis. 



Leaves oblong-elliptic or elliptic-lanceolate, obtuse, 6 to 8 cm. long, petiolate; 

 spikes 2 to 7 cm. long. 



16. Phoradendron purpusi Trel. Gen. Phorad. 62. pi. 73. 1916. 

 Veracruz ; type from Zacuapan ; on Quercus. 



Leaves falcate-lanceolate, acute or obtuse, 8 to 15 cm. long, petiolate ; spikes 



5 cm. long or shorter. 



17. Phoradendron nervosum Oliver, Nat. For. Kjobenhavn Vid. Medd. 1864: 

 175. 1864. 



Phoradendron conzattii Trel. Gen. Phorad. 63. pi. 15. 1916. 

 Veracruz to Oaxaca ; type from Colipa, Veracruz ; reported on Annona, 

 Liquidambar styraciflua, Pyrus, and Quercus. 



I.(eaves lanceolate, obtuse to attenuate, 9 to 30 cm. long, petiolate; spikes 2 to 



6 cm. long; fruit reddish. 



18. Phoradendron reichenbachianum (Seem.) Oliver, Nat. For. Kjobenhavn 

 Vid. Medd. 1864: 175. 1864. 



Vi^cum reichenhachianum Seem. Bot. Voy. Herald 296. pi. 62. 1856. 

 Jalisco to Mexico ; type from the Sierra Madre ; on Quercus. 

 Leaves obtuse, 8 to 10 cm. long ; spikes 3 to 5 cm. long. 



19. Phoradendron lanceolatum Engelm. Mem. Amer. Acad. n. ser. 4: 59. 1849. 

 Nuevo Le6n ; type from Rinconada ; on Quercus. 



Leaves 6 to 8 cm. long, 1 to 1.5 cm. wide, obtuse, subpetiolate ; spikee 3 to 4 cm. 

 long. 



^"Ingerto" (often written "injerto") is the Spanish word for "graft," a 

 term not inappropriate for mistletoe. 



