KU) CYCADACK.i:. (CVCAS FAMILY.) 



10. TORREYA, Arn..tt. 



Flowers tliircions, jixilliin' ; llie sli-rilc oih-s in j^loljose or oMong aments. 

 AiitlHT (tils 4, iiiscrUMJ uinlor the jn-ltate scale. Fertile flowers solitary, con- 

 sisting of a solitary ovule surroimileil with iniliricateil persi.stent scales. Disk 

 none. Seed large, ovoid, naked. Kniliryo at tiie ajiex (»f hard ruminated 

 alliuinen. Cotyledons 2, linear. — Trees, with wiiorled liranches. Leaves 

 distichous, rigi<l, jiersisteut. Bmls .scaly. 



1. T. taxifolia, Arn. Uranclilets opposite, 2-ranked ; leaves linear, sjiiny- 

 pointed, nearly .se.ssile, li^ht green ; sterile aments yellow, crowded ; seed 

 ovoid, drii])e like. — Hich .soil, along the e:x.st hank of the A]ialaciiicola River, 

 Middle Florida. March. — A middle sized tree, witii diiralde strong-scented 

 wooii, and horizontal branches. Leaves very rigid, and jmngent, 1' loug. 

 Seed smooth and glaucous, simihir in sliape aud size to a nutmeg. 



Okdku i;35. CYCXD\CE,A^. (Cycas Fa.mily.) 



Trees or .slirub.s, with .simple tnink.s, iiicrea-siiig by a terniiiial Imd, 

 like the Palms, and compo.sed of a large pith, mixed with woody 

 bundles or plates, enclosed in a cylinder of woody fibre and spiral 

 vessels. Leaves pinnate, coiled in the bud, like Ferns. Flowers dioe- 

 cious, destitute of calyx and corolla. Sterile flowers consisting of 1- 

 celled anthers inserted under the peltate scales of a cone-like anient. 

 Fertile, flowers consisting of naked ovules inserted under the scales 

 like tlie sterile flowers, or on the margins of contracted leaves. Seed 

 nut-like. J]nibryo in the axis of the albumen. Radicle ending in a 

 long spiral cord. Cotyledons 2. 



1. ZAMIA, L. 



Flowers in cone-like aments, with the peltate scales inserted on all sides of 

 the common racli is. Anthers immerous. Ovules by pairs, pendulous. Seed 

 roundish, drupe-like. — Leaflets thickened at the ba.se and articulated with the 

 petioles, with numerous simple veins. 



1. Z. integrifolla, Willd. (Coon-tie.) Stem short, globular or ob- 

 long ; leaves pdiolcil, spreading, with the numerous lanceolate or linear- 

 lanceolate leaflets entire, or serrate near the apex ; aments oblong, obtuse, 

 short-])eiluncled. — Low grounds, South Florida. — The stem abounds in 

 starch, from which the Florida Arrowroot is obtained. 



