ORDER 130. ARACE^E. 317 



cluster. Towers perfect or polygamous, on a branching spadix oursting 

 from a spathe. Perianth double, 3-merous, hexandrous, ovaries (and styles) 

 3, distinct or commonly united into 1, each 1-ovuled. Fruit fleshy, 1-3- 

 seeded. Fig. 508. 



* Flowers all perfect. Ovaries and styles united into 1. Berry single. SABAL. 1 



Flowers perfect and stamiuato. Ovaries and styles distinct. Drupes 3 CHAM.BROPS. 2 



1. SABAL, Adans. PALMETTO. Fls. 5, sessile, complete. Sepals 3 

 united, petals 3, subdistinct. Sta. 6, fil. distinct. Ovaries 3, soon united, 

 Sty. 1. Fr. a dryish 3-seeded berry. J> J> Caudex ( 227) procumbent or 

 erect, beset with the persistent bases of the petioles. Lvs. palmately fan- 

 shaped, many-cleft. Flowers small, greenish. June Aug. 



1 S. Palmetto Loddig. Caudex erect, 20 50f, usually enlarged above ; the majestic 



Ivs. are 6 lOf long, all from one terminal bud ; spadix much shorter than the leaves, 

 spathe double ; berry globular. Along the coast, Fla. to S. C. 



2 S. Adansonl Guern. Caudex prostrate ; Ivs. rigid, longer than the even-edged 



petioles ; spadix slender, much branched, as high (3 4f ) a? the leaves ; style thick, 

 obtuse ; berry depressed. Along the coast, in low grounds, S. 



3 S. serrtilata R. & S. Caudex creeping; petioles aculeate-serrate; epadix thick. 



2 3f ; style subulate ; berry oblong-ovoid. Barrens, S. C. to Fla. 

 /3. minima. Every way smaller ; leaves about 7-cleft. E. Fla. 



2. CHAIVLSiJROPS, L. BLUE PALMETTO. Fls. $ and $. Perianth 

 as in Sabal. Sta. 6 or 9, connate at base. Ovaries 3, distinct, stig. sessile. 



' Berries 3, 1-seeded. Palms acaulesccnt. Petioles aculeate. Spadix dense- 

 flowered, flowers yellowish. June Aug. 



C. Hystrlx Fraser. Caudex low, making offsets at base ; leaves 3 4f, the petiolrn 

 spiny in the axils ; drupes ovoid, hairy, in masses. Clay soils, Ga., Fla. 



ORDER CXXX. ARACE^E. AROIDS. 



Herbs with a creeping rhizome or corm, an acrid or pungent juice, leawi 

 often veiny, and the flowers mostly diclinous and naked. Inflorescence a 

 spadix, dense-flowered, naked or mostly surrounded with a large spathe, 

 Perianth none, or of 4 6 scales. Anthers extrorse. Ovary free, stigma 

 sessile. Fruit baccate or dry, seeds albuminous. Figs. 432, 436. 



* House, or greenhouse plants, usually with very large leaves... (y) 



* Wild native plants, growing in water or damp places. . .(a) 



a Spadix growing to the spathe. $ Flower solitary. Floating PISTIA. 



a> Spadix free, enveloped in the spathe... (c) 



a Spadix naked, destitute of a spathe. ft Leaves ensiform ACORUS. 7 



b Leaves oval, Ac ORONTIUM. 6 



z Flowers covering only the base of the spadix. Perianth ARISJEMA. 2 



c Flowers covering the whole spadix, or all but the base, and...(d) 



d Monoecious. Spathe involute. Stamen around a shield PELTANDRA. 3 



d All perfect. x Perianth 0. Spathe open, white. Swamps CALLA. 4 



> x Perianth regular. Spathe shell-form SYMPLOCARPU&. 5 



y Spadix naked at the top. Spathe yellowish. Leaves peltate COLOCASIA. 8 



y Spadix naked at the top. Spathe yellowish. Leaves not peltate PHILODKNDRO '. 9 



V Bpadiz covered with flowers. Rpathe white.* Leaves green only RICHARDIA. 10 



s Leaves variegated CALAIMUII. 11 



