34 AEECACEAE. 



6. S. ciliata Miohx. Stems 3-6 dm. tall, pubescent especially on the angles 

 above: leaf -blades narrowly linear, very variable in width: bracts ciliate: 

 achenes subglobose or globose-ovoid, 3 mm. long, acute, roughened by unequal 

 projections or short ridges, those near the base longer and deflexed: hypogyn- 

 ium a narrow obtusely 3-angled border supporting 3 entire or 2-lobed 

 tubercles. — Pinelands. — (Cuba, Ant.) 



7. S. pauciflora Muhl. Stems 2-5 dm. tall: leaf-blades narrowly linear, less 

 than 2 mm. wide, the upper elongate and often overtopping the stem: spike- 

 lets in a small terminal cluster and in 1 or 2 axillary ones: achenes globular, 

 1.5-2 mm. in diameter, papillose, the lower papillae elongated and retlexed: 

 hypogynium a narrow obtusely triangular border supporting 6 distinct 

 tubercles. — Everglades. — (Cuba.) 



8. S. verticillata Muhl. Stems 1-5 dm. tall: leaf -blades very narrowly linear, 

 0.5-1 mm. wide, erect, weak, shorter than the stem: spikelets in several 

 separated clusters: achenes globose, fully 1 mm. in diameter, with short trans- 

 verse ridges or somewhat reticulate: hypogvnium none. — Everglades. — {Bah., 

 Cuba.) 



Order ARECALES. 



Shinibs or trees, "with a single terminal bud. Leaves at^ the end of the 

 stem: blades plaited, pinnate or flabellate. FloAvers perfect, polygamous, 

 or dioecious, on axillary compound spadiees. Perianth of 6 fleshy mem- 

 bers in 2 series. Androecium of 6, or 9-12 stamens. Gynoecium of 3 

 distinct or united carpels. Fruit drupaceous or baccate. Seeds usually 

 hollow. 



Family 1. AEECACEAE. Palm Family. 



Stem with a tenninal crown of leaves, or in the case of climbing 

 plants with remote leaves. Inflorescence at first included in a large bract 

 (spathe), from which it ultimately protrudes. 



Leaves with flabellately parted or cleft blades, fan-shaped. 



Calyx and corolla united into a 6-lobed or truncate cup, or obsolete. 



1. COCCOTHBIXAX. 



Calyx and corolla distinct and manifestly in 2 series. 



St.yle or stigma basal on the drupe. 2. Sab.^L. 



Style or stigma terminal on the drupe. 3. Serenoa. 



Leaves with pinnately divided blades, pinnate. 



Drupe with the style or stigmas nearly basal : stamens 



exserted. 4. Roystonea. 



Drupe with the style or stigmas terminal : stamens Included. 5. Cocos. 



1, COCCOTHRINAX Sarg. Unarmed shrubs or trees. Leaf-blades 

 flabellate silvery or pale-scurfy beneath: petioles smooth. Spadix relatively 

 short. Stamens mostly 9: filaments distinct or nearly so. Style funnelform. 

 Drupe black or purple-black. 



1. C. argentea (Lodd.) Sarg. A tree liecoming 8 m. tall: leaf -blades 5-8 dm. 

 broad, the ligule 2-3 cm. broad: spadix 5-7.5 dm. long: drupe 12-18 mm. 

 thick. [C. jucunda Sarg., C. Garberi (Chapm.) Sarg.] — Pinelands. — F. K. 

 (Ball., Cuba, Ant.) — Silver-palm. 



2. SABAL Adans. Unarmed shrubs with horizontal or contorted root- 

 stocks, or trees. Leaf-blades flabellate, glabrous. Spadix elongate. Seed 

 spheroidal. — Palmetto. 



Stem subterranean : drupes over 10 mm. in diameter. 1. 8. Etonia. 



Stem erect : drupes less than 10 mm. In diameter. 2. B. Palmetto. 



