JUNCACEAE. 41 



1. G. monostachya (L.) Eusby. Plants 3-6 dm. tall: leaves bright-green or 

 variegated, with recurving tips; spike stout: bracts as long as the corolla or 

 longer: calyx firm, 12-15 mm. long: corolla-lobes oblong or ovate, shorter 

 than the tube: capsules becoming 3-3.5 cm. long. Hammocks. (Cuba, Ant.) 



3. ANANAS Adans. Terrestrial plants, with stout scape-like stems. 

 Leaves mainly basal: blades narrow and elongate, spiny edged. Flowers in a 

 terminal leafy-bracted spike, the lower part of which, both ovaries and bracts 

 ripens into an aggregate juicy cone-like fruit. 



1. A. Ananas (L.) Lyons. Leaves 25-50, crowded, 1-2 m. long, the marginal 

 spines hooked: stem erect: corolla fully twice as long as the calyx: fruit 

 ovoid, oblong, or oblong-conic, 1-4 dm. long, fragrant. Pinelands and culti- 

 vated grounds. Nat. of the tropics, and cultivated. F. K. (Ant.) PINE- 

 APPLE. 



Order LILIALES. 



Herbs, commonly fleshy or grass-like, or vines or trees. Leaves with 

 narrow or dilated blades, sometimes scale-like or terete. Flowers perfect, 

 polygamous, or dioecious, complete, mostly regular. Perianth of 3-6 

 members which are usually distinguishable into calyx and corolla, some- 

 times partially united. Androecium of 3-6 stamens. Gynoecium 3-carpel- 

 lary or rarely 2-carpellary. Ovary superior or essentially so. Fruit 

 capsular or baccate. 



Styles present, distinct or united : stigmas terminal. 



Sepals and petals chaffy. Fam. 1. JUNCACEAE. 



Sepals and petals not chaffy. 



Herbs with bulbs, corms or rootstocks. 



Plants with bulbs or corms. Fam. 2. LILIACEAE. 



Plants with elongate rootstocks. Fam. 3. CONVALLARIACEAE. 



Shrubby plants with woody caudices, or trees. Fam. 4. DEACAENACEAE. 

 Styles wanting : stigmas introrse. Fam. 5. SMILACACEAE. 



FAMILY 1. JUNCACEAE. RUSH FAMILY. 



Perennial or sometimes annual herbs, usually grass-like in habit. 

 Leaves with flat blades, or terete. Flowers scattered along the inflores- 

 cence-branches, or in dense heads. Calyx of 3 chaffy sepals. Corolla of 3 

 petals nearly or quite similar to the sepals. Androecium of 3 or 6, or 

 rarely 4 or 5, stamens. Gynoecium 3-carpellary. Ovary 1-3-celled. 

 Fruit a loculicidal capsule, or opening irregularly. Seeds sometimes 

 appendaged. 



1. JUNCUS [Tourn.] L. Glabrous herbs. Leaves terete, or with flat 

 blades. Bracts subtending the flowers mostly entire. EUSH. 



Uppermost leaf with an obsolete or very short blade : capsule about as long as 

 the perianth. 1. J. megacephalus. 



Uppermost leaf with a blade few-several cm. in length : capsule 



exserted beyond the perianth. 2. J. scirpnides. 



1. J. megacephalus M. A. Curtiss. Stems 3-10 dm. tall: leaf-blades rather 

 stout, those of the stem-leaves relatively short: heads 8-12 mm. thick, 1-40, 

 scattered: lowest involucral bract almost bladeless: sepals subulate, 3-3.5 mm. 

 long: petals shorter than the sepals, less attenuate: capsules subulate, about 

 as long as the sepals. Everglades and low pinelands. 



2. J. scirpoides Lam. Stems 2-7 dm. tall: leaf -blades terete, 2-3 mm. thick, 

 the septa complete: sepals subulate-lanceolate 2.5-3.5 mm. long: petals slightly 



