ORDER 130. ARACE^E. 317 



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

 from a spathe. Perianth double, 3-merons, 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 staminate. Ovaries and styles distinct. Drupes 3 CHAMJKROPS. 1 



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

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

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

 erect, beset with the persistent bases of the petioles. Lvs. palinately 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. 

 5^ S. Adansoiif Guern. Caudex prostrate ; Ivs. rigid, longer than the et'm-edged 



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



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

 3 S. serrulata 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. CHA1YLZEROFS, 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 acaulescent. Petioles aculeate. Spadix dense- 

 flowered, flowers yellowish. June Aug. 



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

 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, a 4 n acrid or pungent juice, leavet 

 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 diy, 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 PlSTiA. 1 



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



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



b Leaves oval, Ac ORONTIUJC. 



; Flowers covering only the base of the spadix. Perianth ARis.siLi. 



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



d Monoecious. Spathe involute. Stamen around a shield PELTANDBA. 



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



x Perianth regular. Spathe shell-form SVMPLOCARPITS. 



V Spadix naked at the top. Spathe yellowish. Leaves peltate COLOCASIA. S 



y Spadix naked at the top. Spathe yellowish. Leaves not peltate PHILOPENDRO*. 



V Spadix covered with flowers. Spathe white. z Leaves green only RICHARDIA, 10 



z Leaves variegated CALAJHU*. II 



