ARACEZ. (ARUM FAMILY.) 439 
or less united. Stigmas acute, stigmatic on the inner face. Drupes 1-3, one- 
seeded. Embryo dorsal, in horny somewhat ruminated albumen. — Low palms, 
with fan-like long-petioled leaves, destitute of thread-like filaments. Sheaths 
soon dry and net-like. Spadix dense-flowered, branching. Spathe 2 - 4-leaved. 
Flowers yellowish. Drupe globose or ovoid. 
1. C. Hystrix, Fraser. (BLUE PALMETTO.) Stem short, proliferous ; 
leaves circular in outline, with numerous 2-4-toothed divisions, on triangular 
rough-edged petioles ; sheaths persistent, composed of oblique fibres interwoven 
with numerous erect strong spines; spadix small, short-peduncled ; spathes 
about 4, oblong, woolly, acutely 2-lipped ; petals ovoid; drupe ovoid. — Low 
shady woods in the lower districts, Florida to South Carolina. June and July. 
— Stem 29-39 long, erect or creeping. Leaves somewhat glaucous, 39 — 4? 
high. Spadix 6/-12/ long. Partial spathes none. Drupe 6!'—9" long. 
Orper 135. ARACEAE. (Arum FaurLY.) 
Acrid chiefly stemless herbs, from tuberous or creeping rootstocks, with 
entire or divided often veiny leawes, and perfect or moneecious flowers 
borne on a spadix, and commonly enclosed in a spathe. — Calyx and 
corolla wanting, or the former with scale-like sepals. Stamens short, 
hypogynous : anthers extrorse, commonly sunk in the thick connective. 
Ovary 1 —several-celled, with 1 —several ovules in each cell. Stigma ses- 
sile. Fruit fleshy, indehiscent. Embryo straight. Albumen mealy or 
fleshy, sometimes wanting. 
Synopsis. 
* Calyx and corolla none. Spadix enclosed ina spathe. Flowers monoecious. 
+ Fertile flowers numerous. Spadix free. 
1. ARISEMA. Spathe thin, convolute at the base, arching above. Spadix barren above. 
Leaves 3 - several-lobed. 
2. PELTANDRA. Spathe (green) thick, convolute throughout, wavy on the margins. Spa- 
dix flowering throughout. Leaves sagittate. 
9. XANTHOSOMA. Spathe convolute at the base, open and white above. Spadix flowering 
throughout. Leaves sagittate. 
4— + Fertile flower solitary. Spadix adnate to the spathe. 
4. PISTIA. Free-floating aquatics. Fertile flowers solitary. - 
* * Calyx manifest. Flowers perfect. 
+ Spadix enclosed in a spathe. 
5. SYMPLOCARPUS. §pathe thick and fleshy, convolute, pointed. Spadix globular. Sepals 
and stamens 4. 
+ + Spadix naked. 
6. ORONTIUM. Spadix terminating the club-shaped white-topped scape. 
7. ACORUS. Spadix attached to the side of the flattened leaf-like scape. 
x 1. ARISÆMA, Mart Ivpray Toursier. 
a T 03 
Six coe blo wil monoecious lowers (he lone ones fr elon- - 
