Jennings: Contribution to Botany of Isle of Pines. 221 



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

 Distribution: Widely distributed in the West Indies from Porto Rico 

 through the lesser Antilles. 



Family LOGANIACE^. 



Key to the Species Enumerated. 



Flowers solitary and sessile in the forks of the branchlets and axils of the leaves. 



553. Polypremum procumbens. 

 Flowers in terminal and axillary spikes or spike-like racemes. 



554. Spigelia Blainii. 



553. Polypremum procumbens Linnaeus. 

 Polypremum procumbens Linn^us, Species Plantarum, 1753, p. iii. 



On coralline strand, Caleta Grande, "South Coast," May 22, 1910, 

 0. E. Jennings, N^o. 502. General Distribution: From Pennsylvania 

 to Florida and Texas, Mexico, and the West Indies. 



554. Spigelia Blainii Millspaugh. 



Spigelia Blainii Millspaugh, Field Columbian Museum, Botanical Series I, 1900, 

 p. 432. 



Northern part of the island, Blain, No. 31 (Type.) General Dis- 

 tribution: Known only from the type locality. 



Family GENTIANACE^. 

 555. Eustoma exaltatum (Linnaeus) Grisebach. 



Lisianthus glaucifolius Jacquin, Icones Plantarum Rariorum, 1781, t. 33. 

 Gentiana exaltatum. Linn^us, Descourtilz, Flore (Pittoresque et) Medicale des 



Antilles, I, 1821, PI, 15. 

 Urananthus glaucifolius Bentham, Plantas Hartwegianas Imprimas Mexicanas, 



1839, p. 46. 

 Eustotna cheironioides Grisebach, DeCandolle, Prodromus Systematis Naturalis 



Regni Vegetabilis, IX, 1845, p. 51. 

 Eustoma exaltatum Grisebach, Flora of the British West Indian Islands, 1861, 



p. 422. 



Along the strand west of Mt. Colombo, May 14, 1910, 0. E. Jen- 

 nings, No. 25J. General Distribution: Florida to Texas. California, 

 Mexico, a number of the West Indian islands, and south to Panama 

 and Venezuela. 



This is a quite ornamental Gentian, with a tinge of pink showing 

 in the bluish flowers, the center of the corolla being darker. 



