Jennings: Contribution to Botany of Isle of Pines. 243 



Near Nueva Gerona, May i, 1904, A. H. Curtiss, No. 474. General 

 Distribution: Northwestern Mexico and the Isle of Pines. 



Salvia occidentalis Swartz is to be expected in the Isle of Pines. 

 It occurs commonly in tropical and subtropical America, extending 

 north as far as Vera Cruz and peninsular Florida. It has leafy stems; 

 blue corolla; leaf-blades ovate, acute or short acuminate, the petioles 

 winged by the decurrent blade; calyx at maturity about 3.5 mm. long. 



620. Ocimum gratissimum Linnaeus. 

 Ocimum gratissimum Linn^us, Species Plantarum, 1753, p. 832. 



Near magnesia springs, Sante Fe, May 26, 1910, 0. E. Jennings, 

 No. 584. General Distribution: Native to the East Indies and 

 southeastern Asia, now rather widely distributed as a weed in the 

 tropics and subtropics. 



621. Mesosphaerum pectinatum (Linnaeus) Kuntze. 



Nepeta pectinata Linn^us, Systema Naturae, Ed. X, II, 1796, p. 1096. 



Hyptis pectinata Poiteau, Annales du Museum d'Histoire Naturelle, Paris, VII, 



1806, p. 474, PI. 30; Grisebach, Floia of the British West Indian Islands, 1861, 



p. 489. 

 Hyptis spicata Bei.lo, Anales de la Sociedad Espanola de Historia Natural, 



X, 1881, p. 303, no. 635. Not Poiteau. 

 Hyptis polystachya Stahl, Estudios Sobre la Flora de Puerto-Rico, VI, 1888, p. 



195. Not Humboldt, Bonpland, & Kunth. 

 Mesosph<B>7im pectinatum O. Kuntze, Revisio Generum Plantarum, II, 1891, 



p. 525- 

 Ballota parviflora Sesse & Mocino, Flora Mexicana, Ed. II, 1894, p. 136. 



Near Nueva Gerona, December 26, 1903, A. H. Curtiss, No. 23/. 

 General Distribution: From Florida and the Bahamas south through 

 the West Indies and continental tropical Ameiica; also in the tropics 

 of the Old World. 



622. Mesosphaerum minutifolium (Grisebach) Jennings, comb. nov. 

 Hyptis vtinulifolia Grisebach, Catalogus Plantarum Cubensium, 1866, p. 213. 



Near Nueva Gerona, December 17, 1903, and January 12, 1904, 

 A. H. Curtiss, Nos. 238 & 285. General Distribution: Western 

 Cuba and the Isle of Pines. 



623. Mesosphaerum Hollandianum Jennings, sp. nov. (Plate XXV.) 



Somewhat shrubby, apparently perennial at the base, about one 

 meter in height; stems erect, branched, glabrous or scantily puberulent 



