94 Annals of the Carnegie Museum. 



On the peninsula north of Caleta Grande, May 22, 1910, 0. E. 

 Jennings, No. 605. General Distribution: Cuba, Jamaica, the Isle 

 of Pines, Hispaniola, and Porto Rico. 



Family H^MODORACE.C. 



Key to the Species Enumerated. 



Inflorescence heavily yellowish tomentose-pubescent 204. Gyrotheca iincloria. 



Inflorescence not conspicuously tomentose-pubescent. 



Inner perianth-parts obovate, about 11-12 mm. long and half as wide, the 



exterior yellow-spotted at the base 206. Xiphidium xanthorrhizon. 



Inner perianth-parts lance-oblong, somewhat shorter; outer ones not yellow- 

 spotted at base 205. Xiphidium florihundum. 



204. Gyrotheca tinctoria Salisbury. 



Gyrotheca tinctoria Salisbury, Transaction of the Horticultural Society of London, 



I, 1812, p. 327. 

 Lach7ianthes tinctoria Elliott, A Sketch of the Botany of South Carolina and 



Georgia, I, 1816, p. 47. 



Near Nueva Gerona, June 3, 1912, G. A. Link. General Distri- 

 bution: Mostly in pine-barrens and savannas, Massachusetts to New 

 Jersey and Florida, Cuba, and the Isle of Pines. 



205. Xiphidium floribundum Swartz. 



Xiphidium floribundum Swartz, Prodromus Descriptionum Vegetabilium Indiae 

 Occidentalis, 1788, p. 17. 



Northern part of the island, Blain, No. 45. "In Cuba this species 

 grows only in shady situations in glens, never on the open savannas, 

 here, however, it seeks the open plains far from shade. Blain" 

 (Millspaugh, Field Columbian Museum, Botanical Series, I, 1900, 

 p. 426). General Distribution: Reported in Cuba and a number of 

 the other West Indian Islands, and from Mexico to Brazil. 



206. Xiphidium xanthorrhizon Wright. 



Xiphidium xanthorrhizon Wright, in Grisebach, Catalogus Plantarum Cubensium, 

 1866, p. 252. 



On the pine-barrens at Los Indios, May 17, 1910, 0. E. Jennings, 

 No. 31s; on almost bare quartz gravel two miles east of Los Indios, 

 May 17, 1910, 0. E. Jennings, No. 668. General Distribution: 

 Western Cuba and the Isle of Pines. 



