Aim. 1895. FLORA OK YUCATAN MILLSPAUGH. 25 



PTELEA, Linn. 

 P. pentandra, DC. 



A low tree in the shrubbery of the north side of the smalle f 

 mound at Izamal, Jan. 14, 1895 (86). Immature. 



CHALCAS, Linn. 

 C. exotica (Linn). 



Murraya exotica, Linn. Introduced on the Island of Cozume 

 (Ganmer, 1885). 



CITRUS, Linn. 



C. aurantium, L. Naranja. Orange. 



Cultivated throughout the mainland, and on the Island of 

 Cozumel. The first planting of the orange in Mexico was doubt- 

 less that of Bernal Diaz, who, while attached to the army of 

 Cortez, sowed seed near the present location of Vera Cruz, and 

 transplanted the resulting trees after the conquest. Several of 

 these trees were again transplanted to Merida by Montejo, early 

 in the i6th century. 



C. vulgaris, Risso. Cajera. Bitter Orange. STJTZ-PAKALi. 



Cultivated at San Miguel, Island of Cozumel, and on the main- 

 land. Notwithstanding its bitter acid taste it is a very refreshing 

 fruit, and is much prized by the natives. 



C. Liimonum, Risso. Limon. Lemon. 



Cultivated at Progreso, Merida and Izamal, not so extensively 

 however as the next species. 



C. Limetta, Risso. Limoncillo. Lime. 



Cultivated throughout the mainland, and on the Island of 

 Cozumel; met with as far south as Mascab Pixoy. 



SIMARUBACEAE. 



SURIANA, Linn. 

 S. maritima, Linn. 



North Point, Island of Mugeres, Jan. 2, 1895 (23). A shrub 

 5 to 10 feet high, bark thin, grayish-white, heart wood red, very 

 hard. A prominent feature of the littoral growth. 

 Islands of Holbox and Mugeres (Gauwer, 1886). 



PICRAMNIA, Sw. 

 P. Antidesma, Sw. 



Island of Cozumel (Gaitmcr, 1885). 



BURSERACEAE. 

 BURSERA, Linn. 



B. Simaruba (Linn.) Sarg. CHACAH. 



Jiursera giimmifera, Jacq. Abundant on the Islands of Mugeres 

 and especially Cozumel, also between Tuncas and Chichen Itza 

 on the Main, where its peculiar coppery trunk and divaricate 

 branches render it a conspicuous object in the forest. It grows 

 from 25 to 50 feet. Not yet in leaf Jan. 1-22, 1895. 



