48 Annals of the Carnegie Museum. 



60. Lycopodium sp. 



On peaty-sand (apparently acid) one mile north of Los Indios, 

 May 19, 1910, 0. E. Jennings, No. 385. Prostrate, complanate, and 

 stiff, but non-fruiting. 



Family SELAGINELLACE^. 

 61. Selaginella rhodospora Baker, var. 

 Selaginella rhodospora Baker, The Fern- Allies, 1887, p. 1-6. 



In pine-barrens east of Los Indios, May 18, 1910, 0. E. Jennings, 

 No. 361. (Det. by Hieronymus.) General Distribution: Florida, 

 Cuba, and the Isle of Pines. 



62. Selaginella sp. 



On moist bank along arroyo near Nueva Gerona, May 6, 1910, 

 0. E. Jennings, No. 63. Non-fruiting. 



SPERMATOPHYTA. 



Family CYCADACE^E. 

 63. Zamia silicea Britton. 



Zamia silicea Britton, Bulletin of the Torrey Botanical Club, XLIII, 1916, 

 p. 462. 



In swampy place east of Nueva Gerona, May 6, 1910, 0. E. Jen- 

 nings, No. 60; near Los Indios, November 4, 191 2, G. A. Link; 

 Britton & Wilson, No. 14,166, near Los Indios, type, spring, 1916. 

 General Distribution: The Isle of Pines. 



The specimen collected by Mr. Link, is a carpellate plant with a 

 fine ripe cone. The cone is oblong-ovoid, 5 cm. long by nearly 3 cm. 

 thick, mounted on a stout peduncle which is 3 cm. long and 4 mm. 

 thick, and densely and softly brownish-pubescent. The cone con- 

 tains about twenty carpels, the peltate flat-topped scales being densely 

 brown pubescent, hexagonal, in lateral diameter about 12-15 nim., 

 the vertical dimension about 6 mm., and the middle portion being 

 marked off by a light colored line and somewhat sunken. The 

 apex of the cone consists of a stout point about 5 mm. long. 



Family PINACE^. 

 Key to the species enumerated. 

 Leaves in two-leaved clusters, light-colored, slender, usually not over i mm. in 

 diameter and often 3 dm. long 65. Pinus tropicalis. 



