196 Annals of the Carnegie Museum. 



485. Harrisia sp. 

 (Probably near Harrisia eriophora (Pfeiffer) Britton.) 



Live specimens of this plant were brought to Pittsburgh by l\Ir. 

 G. A. Link in 1912 and some of these are now growing in the Phipps 

 Conservatories, Schenley Park, Pittsburgh, others in a window of 

 the Herbarium Room, Carnegie Museum. The plants were collected 

 from the upper slopes of the Caballos Mts., and Mr. Link states that 

 the species was quite abundant on the upper slopes of Mt. Colombo. 

 Mr. Link's observations with regard to the flowers were that they 

 were two or three inches across, about the same in length, yellow; 

 the fruits were yellow, about two inches in diameter, and nearly round. 

 The tallect plants noted were abouc six or eight feet, the stems branch- 

 ing towards the top, with spreading and then ascending branches. 



486. Hylocereus triangularis (Linnaeus) B.-itton & Rose. 



Cactus triangularis LiNN^bS, Species Plantarum, I, Ed. I, 1753, p. 468. 

 Cereus cotnpressus Miller, Gardener's Dictionary, Ed. VIII, 1768, no. 10. 

 Cereus triangularis Haworth, Sj^nopsis Plantarum Succulentarum, 1812, p. 180. 

 Cereus trigonus Haworth, op. cit., p. 181. 



Hylocereus triangularis Britton & Rose, Contributions, U. S. National Herbarium, 

 XII, 1909, p. 429. 



This record is based on specimens now growing in the Herbarium 

 Room, Carnegie Museum, and collected on the Caballos Mts., by 

 Mr. G. A. Link, in 1912. General Distribution: Southern Mexico 

 to Panama, Jamaica, the Isle of Pines, Cuba, Haiti, Porto Rico, and 

 widely planted and escaped in the tropics from Florida southwards. 



487. Cephalocereus Bakeri Britton & Rose. 



Cephalocereus Bakeri Britton & Rose, Contributions from the U. S. National 



Herbarium, XII, 1909, p. 415. 

 Cereus Bakeri Vaupel, Monatsschrift fiir Kakteenkunde, XXIII, 1913, p. 23. 



In swamp one mile north of Nueva Gerona, May 8, 19 10, 0. E. 

 Jennings, No. 136; Dr. J. F. Shafer, February-March, 1910; climbing 

 on tree along bank of the Majagua River, north of Los Indios, May 

 19, 1 910, 0. E. Jennings, No. 420; tall climber, from top of tall tree 

 recently blown down, north of Caleta Grande, South Coast, May 22, 

 1910, 0. E. Jennings, No. 513. General Distribution: Western Cuba 

 and the Isle of Pines. 



A night-blooming cereus with flowers of rare beauty and exquisite 

 fragrance. The plants climb, rope-like, to the tops of tall trees, and 

 the flowers reach a length of about eleven inches. 



