AEECACEAE. 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.) — EZey-thatCH. 



S ' 3. SABAIj Adans. Unarmed shrubs with horizontal or contorted root- 

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

 spheroidal.- — Palmetto. 



^(J^' 1. S. Palmetto (Walt.) E & 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 palmlands, U. S. 

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



4. SEEENOA 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. 



//o 1, S. serrulata (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. ROYSTONEA O. F. Cook. Unarmed trees. Leaf -blades pinnate: 

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

 Petals valvate. Seeds reniform. 



/'•/I. 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 i 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. 



^(i^ 1. P. Sargentli H. Wendl. A tree 8 m. 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 flbrous 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. 



