148 Annals of the Carnegie Museum. 



344. Erythroxylon havanense Jacquin. 



Erythroxylon havanense Jacquin, Enumeratio Plantarum Quas in Insulis Caribaeis 



Detexit, 1760, p. 21. 

 Erythroxylon obtusum DeCandolle, Prodromus Systematis Naturalis Regni 



Vegetabilis, I, 1824, p. 574. 

 Erythroxylon areolatum Poeppig, MS, not Linnaeus. (O. E. Schulz.) 



Near Nueva Gerona, May 31, 1904, A. H. Curtiss, No. 51Q; northern 

 part of the island, Blain, Nos. 55, 755, i6s (Millspaugh). General 

 Distribution: Cuba and the Isle of Pines. 



Family ZYGOPHYLLACE.E. 

 345. Guiacum sanctum Linnaeus. 



Guiacum sanctum Linnaeus, Species Plantarum, 1753, p. 382; Grisebach, Flora 

 of the British West Indian Islands, 1859, p. 134. 



Northern part of the island, Blain, No. 124 (Millspaugh). General 

 Distribution: Southern Florida, the Bahamas, Cuba, the Isle of 

 Pines, Porto Rico, and Hispaniola. 



Family RUTACE^. 



Key to the Species Enumerated. 



Leaves with 3-5 leaflets 346. Amyris balsamifera. 



Leaves with but one leaflet. 



Branches with thorns; leaflets ovate-oblong, about twice as long as wide. 



348. Citrus Lima. 

 branches usually thornless; leaflets widely ovate, often nearly as wide as long. 



347. Citrus vulgaris. 



346. Amyris balsamifera Linnaeus. 



Amyris balsamifera Linn^us, Systema Naturae, II, Ed. X, 1759, p. 1000. 



Toxicodendron arborescens Miller, Gardener's Dictionary, Ed. VIII, 1768. 



Rhus arborescens DeCandolle, Prodromus Systematis Naturalis Regni Vegetabilis, 



II, 1825, p. 73. 

 Amyris sylvatica var. Grisebach, Memoirs of the American Academy of Arts and 



Sciences, Series II, VIII, i860, p. 176. 

 Elemifera balsamifera Kuntze, Revisio Generum Plantarum, I, 1891, p. 100. 

 Schimmelia oleifera Holmes, Pharmaceutical Journal and Transactions, London, 



LXII, 1899, p. 53- 



A bushy tree about 5 m. high, in moist soil at edge of jungle along 

 west base of Mt. Colombo, May 12, 1910, 0. E. Jennings, No. 273; 

 near Nueva Gerona, June 10, 1912, G. A. Link. General Distribu- 

 tion: Southern Florida, Cuba, the Isle of Pines, Jamaica (type local- 

 ity), Haiti, Porto Rico, and South America, 



