62 linaceje. (flax family.) 



BiTTEK-swEET Oraxgk (C. vulgakis, Risso) js Completely naturalized 

 in some portions of South Florida. 



The Pkidb op India, or Ciuxa-Tkek (Melia Azederach, L.) belongs 

 to the allied Order Meliace.*;. 



Order 28. CEDRELACE^. (Mahogant Family.) 



Lofty trees, with hard and colored wood, pinnate exstipulate leaves, and 

 regular hypogynous panicled flowers. — Sepals 3-5, often more or less 

 united. Petals 3-5, convolute in the bud. Stamens twice as many as 

 the petals, distinct or united into a tube, and inserted with the petals into 

 an hypogynous disk. Ovary 3 - 5-celled, with few or many ovules in each 

 cell. Style single. Capsule woody, 3 - 5-celled, 3 - 5-valved, the valves 

 at length separating from the thick angular or winged axis. Seed anatro- 

 pous, winged. Albumen fleshy or none. Cotyledons leafy. 



1. SWIETENIA, L. Mahogany. 

 Calyx 5-cIeft. Petals 5. Stamens 10, united into a 10-toothed tube, which 

 encloses the 10 anthers. Style short. Stigma 5-rayed. Capsule 5-celled, 

 5-valved, with the numerous suspended seeds imbricated in two rows — A large 

 tree, with hard reddish-brown wood. Leaves alternate, abruptly pinnate. Leaf- 

 lets 6-10, opposite, entire, ovate-lanceolate, unequal at the base. Flowers 

 greenish-yellow, in axillaiy panicles. Capsule ovate, as large as an Orange. 



1. S. Mahogoni, L. South Florida. 



Order 29. LINACE^i:. (Flax Family.) 



Chiefly herbs, with entire exstipulate leaves, and regular hypogynous 

 racemose or panicled flowers. — Sepals 4-5, imbricated in the bud, per- 

 sistent. Petals 4-5, convolute in the bud, deciduous. Stamens 4-5, 

 united at the base. Styles 4-5, rarely united. Capsule globose, splitting 

 into five 2-seeded carpels, which are more or less perfectly 2-celled and 

 2-valved. Seeds anatropous, suspended. Cotyledons flat. 



1. LINUM, L. Flax. 



Sepals, petals, stamens, and styles 5. Capsule partly or completely 10-celIed, 

 the cells ] -seeded; seeds compressed, oily. — Stems slender. Leaves narrow 

 and mostly alternate. Peduncle 1-flowercd, borne above or opposite the leaves. 



1. L. Virginianum, L. (Wild Flax.) Leaves lanceolate, acute, the 

 lower ones opposite and obtuse ; flowers scattered in coiymbose racemes ; sepals 

 smooth, ovate, acute; styles distinct; capsule depressed-globose, 10-celled. — 

 Varies with glandular sepals, larger globose-ovate capsules, and linear leaves. — 

 Sterile soil, Florida and northward. July. 1|. — Stem slender, often much 

 branched, 2° high. Flowers yellow. 



