ARECACEAE. 69 



filaments nearly triangular; drupes 4-6 mm. in diameter, white, very nearly 

 sessile. 



Sandy and rocky soil, throughout the archipehigo from Great Bahama and 

 Abaco to Mariguana, Caicos Ishmds and luagua : — Florida ; Cuba. Small-froited 

 Thatch-palm. Bufp^alo-top. 



2. Thrinax parviflora Sw. Prodr. 57. 1788. 



Thrinax floridana Sargent, Bot. Gaz. 27: 84. 1899. 



A tree up to 9 m. high or more, with a trunk al)out 1.5 em. in diameter. 

 Leaves up to 1.5 m. in diameter, deeply cdeft into numerous narrow segments, 

 green and shining above, silvery-white beneath, at least when young, the acute 

 ligule 1-2 cm. long; inflorescence up to 1 m. long; pedicels slender, about 3 mm. 

 long; drupes 6-9 mm. in diameter, white, distinctly stalked. 



Sandy soil, North Cat Cay: — Florida; Cuba; Jamaica. Large-fkuited Thatch- 

 palm. 



2. COCCOTHRINAX Sargent, Bot. Gaz. 27: 87. 1899. 



Unarmed, tall or low palms, with nearly orbicular, palmately cleft, petioled 

 leaves, the petioles flat, the segments usually 2-cleft at the apex, the sheathed 

 inflorescence paniculately branched, the small perfect pedicelled flowers white. 

 Calyx and corolla united into a 6-lobed perianth. Stamens 9-12; filaments 

 subulate. Ovary 1-celled; style terminal; stigma funnelform. Drupes small, 

 globose. Seed erect; endosperm grooved; embryo lateral. [Greek, berry- 

 Thrinax.] About 10 species, of Florida and the West Indies. Type species: 

 Coccoihrinax jucunda Sargent. 



1. Coccothrinax argentea (Lodd.) Sargent, Silva X. A. 14: 85. 1902. 



Thrinax argentea Lodd.; R. & S. Syst. 7: 1300. 1830. 

 Coccothrinax jucunda Sargent, Bot. Gaz. 27: 89. 1899. 



Trunk sometimes 10 m. high, usually not more than 6 m., sometimes very 

 short, 1.5-2 dm. in diameter. Leaves nearly orbicular, 7 dm. broad or less, 

 cleft to beyond the middle into narrowly lanceolate, acuminate segments, 

 bright green and shining above, silvery-white beneath, at least when young, 

 the slender petioles about as long as the blades, their bases expanded into per- 

 sistent fibrous sheaths; panicles short-stalked, mostly shorter than the petioles; 

 pedicels 1-3 mm. long, thickened in fruit ; flowers about 3 mm. broad ; stamens 

 usually 9; fruit globose, black, 8-12 mm. in diameter. 



Throughout the archipelago from Abaco, Berry Islands and Andres to the 

 Caicos, Inagua and Anguilla Isles and Cay Sal (not observed on Great Bahama) : — 

 Florida: Cuba: Ilispaniola : I'orto Hico : St. Thomas: St. .Tan: St. ("niix: .T.im.Micn. 

 Recorded by DoUey and by Hitchcock as Thrinax parviflora Sw. Silver Thatch. 

 Silver-top. Bay-top. 



3. SABAL Adans; Guersent, Bull. Soc. Philom. 3: 206. 1803. 



Unarmed palms, the stems erect, creeping or subterranean, the leaves 

 palmately cleft, with a long petiole and a short rachis, the narrow segments 

 bearing marginal fibres, 1-cleft or 2-cleft, the petiole concave above. Panicles 

 spreading or drooping. Flowers perfect, white or greenish. Calyx-lobes 3, 

 unequal. Petals 3, imbricated. Stamens 6 ; filaments subulate or lanceolate, 

 united at the base. Ovary 3-celled ; style 3-angled; stigma truncate. Drupes 

 solitary, with a thin epicarp and a fleshy pericarp. Seed depressed-globose, 



