462 PALM.E. (PALMS.) 



the joints. Flowers rigid. Drupe globose. Sheaths of the leaves dissolved 

 into a net-work of interlaced fibres. 



1. S. Palmetto, H. & S. (CABBAGE PALMETTO.) Stem erect; leiives 

 cordate in outline, recurved at the summit, shorter than the petiole; the di- 

 visions deeply cleft ; spadix spreading, commonly shorter than the leaves ; 

 petals slightly united at the base; style thick. Low ground along the coast. 

 June. Stem 20-40 high. Leaves 5-8loug. Drape black, 4"-5"in 

 diameter. 



2. S. Adansonii, Guerns. (DWARF PALMETTO.) Stem short, buried 

 in the earth ; leaves circular in outline, glaucous, longer than the petiole ; the 

 divisions slightly cleft at the apex ; spadix erect, much longer than the leaves ; 

 petals united at the base; style thick. Low grounds in the lower districts. 

 June-July. Leaves 2 -3 high. Spadix 3 -6 high. Drupe 4" in diam- 

 eter, black. Nut hemispherical. 



Var.? megacarpa, Chapm. Leaves grayish green, the divisions parted 

 nearly to the sinuses; spadix (2 long) ascending, prostrate in fruit; drupe 

 (' in diameter) black; flowers not seen. Dry rocky pine woods, Miami, 

 South Florida (Garber). 



2. THRINAX, L. f. SILVER PALM. 



Flowers perfect. Calyx cup-shaped, 6-toothed. Petals none. Stamens - 

 12, their subulate filaments connate at the base. Anthers linear. Ovarv 1- 

 celled, 1-ovuled. Stigma funnel-shaped. Drupe globose. Albumen ei.tire, 

 or lobed from the base. Embryo vertical. Leaves fan-shaped, the divisions 

 mostly destitute of interposed filaments. Spadix paniculate. 



1. T. argentea, Lodd. Stem slender; leaves circular, silvery-silky be- 

 neath, the numerous divisions 2-cleft, united near the base, shorter than the 

 petiole; ligule rounded; spadix much shorter than the leaves, simply panicu- 

 late; flowers short-pedicelled ; stamens 9-12; drupe small; albumen 4-6- 

 lobed. Keys of South Florida. Stem 12- 15 high. Leaves 2 long. 

 Spadix 1 long. Drupe 3" in diameter. 



Var. Garberi. Stem very short; divisions of the leaves linear-strap- 

 shaped, nearly entire ; drupe deep purple. Rocky pine woods, Miami, South 

 Florida. Spadix 6' -8' high. 



2. T. parviflora, Swart/. Stem smoothish ; leaves canescent, scurfy 

 beneath, glabrate, the divisions longer than the petiole, the lower third united, 

 long-tapering to the 2-cleft apex: ligule triangular; spadix large, much 

 branched ; stamens 6 j albumen entire ; embryo nearly vertical. Keys of 

 South Florida. Stem 10-20 high. Leaves 2-3 long. Drupe 2" in 

 diameter. 



3. SERENOA, Hook. f. SAW PALMETTO. 



Inflorescence as in Sabal. Calyx cup-shaped, 3-toothed. Petals valvate, 

 2 -keeled within, connate at the base. Stamens 6. Anthers ovate, erect. 

 Ovaries separate. Styles slender, united. Drupe 1 -seeded. Embryo near 

 the base of homogeneous albumen. 



I. S. serrulata, Hook. f. (SAW PALMETTO.) Stem creeping, branch- 

 ing; leaves circular in outline, fan-shaped, shorter than the slender spiny- 



