AKECACEAE. 27 



ligule about 2.5 cm. wide: spadix nearly 20 dm. long: pedicels disk-like: drupe 

 5-6 mm. thick. — Sandy shores and hammocks, L. keys. (Bah.) — Key-thatch. 



3. SABAIi Adans. Unarmed shrubs with horizontal or contorted root- 

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

 spheroidal. — Palmetto. 



1. S. Palmetto (Walt.) R & S. Stem 28 m. tall. Leaf -blades cordate at 

 the base; ligules about 10 cm. long: spadix spreading or drooping: anthers 

 about 1.5 mm. long: seeds 5-7 mm. wide. — Hammocks and palmlauds, U. S. 

 keys, L. keys. — [E. K,] — (Bah., Cuba.) — Cabbage-palmetto. Cabbage-tree. 



4. SEHEI^OA Hook. Armed shrubs or trees. Leaf-blades flabellate, 

 cordate at the base: petioles with recurved spines. Stamens unequal, those 

 opposite the petals with broad filaments, those alternate with petals with 

 narrow filaments. Drupe and seed oblong. 



1. S. semilata (Michx.) Hook. Eootstock elongate: stem horizontal or some- 

 times erect, becoming 2-7 m. tall: leaf -blades suborbicular, green or glau- 

 cous, 3-8 dm. broad, cordate at the base; petioles with firm spines: petals 

 4-4.5 mm. long: drupes 15-25 mm. long. — Lime-sinks in pinelands and sand- 

 dunes, U. S. keys, L. keys.— [E. K.] — Saw-palmetto. 



5. KOYSTONEA O. F. Cook. Unarmed trees. Leaf -blades pinnate: 

 petiole nearly terete above, the sheathing bases very long. Spadix pendulous. 

 Petals valvate. Seeds reniform. 



1. R. regia (H.B.K.) O. F. Cook. A stately tree 30 m. tall, the trunk fusi- 

 form: leaf-blades 2.5-3.5 m. long, the larger segments 7-9 dm. long: perianth 

 of the staminate flowers 6-7 mm. long, that of the pistillate barely A as large: 

 drupes 12-14 mm. long, violet-blue. — Hammocks and open places, Marquesas 

 Keys, perhaps introduced. — [E. K.] — (Cuba, Ant.) — Eoyal-palm. 



6. PSEUDOPHOENIX H. Wendl. Unarmed trees. Leaves spreading: 

 blades pinnate: petioles concave throughout. Spadix spreading during anthe- 

 sis. Calyx minute. Petals broad, concave, spreading or reflexed. Seeds 

 globular. 



1. P. Sargentii H. Wendl. A tree 8 ni. tall, the trunk often slightly fusiform: 

 leaf -blades 1-1.5 m. long, the larger segments 4-4.5 dm. long: perianth per- 

 sistent; sepals apiculate; petals oval or oblong, 4-6 mm. long, yellowish-green: 

 drupe globular, or 2-3-lobed, 11-14 mm. long, orange-scarlet. — Hammocks, 

 Elliott's Key and Long Key. — (Bah., Cuba, Ant.) — Hog cabbage-palm. 

 Sargent 's-palm. 



7. COCOS L. Unarmed trees. Leaf -blades pinnate: petioles rounded on 

 the back, the sheathing bases short. Spadix ultimately drooping. Sepals and 

 petals of the staminate flowers valvate, those of the pistillate flowers imbri- 

 cate. Drupe 3-angled, with a fibrous pericarp and a bony endocarp. 



1. C. nucifera L. A stately tree 30 m. tall: leaf -blades 3-5 m. long, the 

 numerous segments 5-7 dm. long: perianth of the staminate flowers fully 

 1 cm. long, that of the pistillate larger: drupes oval or ovoid, 2-3 dm. long: 

 endosperm enclosing a milky juice. — Coastal sand-dunes and hammocks, U. S. 

 keys, U. keys, L. keys, L. S. keys. Introduced. — [E. K.] — (Bah., Cuba, Ant.) 

 — CocoANUT. Coco-palm. 



