44 LEUCOJACEAE. 



Stamens 6. Fam. 1. Leucojaceah. 

 Stamens 3. * 



Filaments opposite the sepals. Fam. 2. Ixiaceae. 



Filaments opposite the petals. Fam. 3. Haemodoraceae. 



FAiiiLY 1. LEUCOJACEAE. Amaryllis Family. 



Herbs, commonly succulent, with rootstocks, bulbs, or corms. Leaves 

 alternate, wholly or mainly basal. Flowers perfect. Calyx of 3 sepals. 

 Corolla of 3 petals, with the sepals partially united into a tube. Androe- 

 cium of 6 stamens, the filaments sometimes partially united into a crown. 

 Gynoecium of 3 united carpels. Ovary inferior. Styles united. Ovules 

 numerous. Fruit a capsule or a berry. 



Perennial from corms or elongated rootstocks. 



Ovary and capsule one-halt" inferior. 1. Aletris. 



Ovary and capsule wholly inferior. 



Inflorescence umbel-like : capsule circumscissile. 2. Ilvroxis. 



Inflorescence spicate, racemose or paniculate : capsules 



3-valved. 3. Agave. 



Perennial from bulbs. 



Filaments distinct. 4. Crinum. 



Filaments connected by a cup-like or funnelform crown. 5. Hymenocallis. 



1. ALETKIS L. Caulescent herbs with thick rootstocks and scape-like 

 stems. Basal leaves spreading. Flowers in an interrupted spike or raceme. 

 Perianth white to yellow, campaniilate, cylindric, or obovoid, granular or 

 mealy: lobes much shorter than the tube. Filaments adnate to the middle of 

 the perianth or above it. — Colic-root. Star-grass. 



Perianth white, 6-7 mm. long during anthesis. 1. A.hracteata. 



Perianth yellow, 8-9 mm. long during anthesis. 2. A. lutea. 



1. A. bracteata Northrop. Stem 3-6 dm. tall: blades of the basal leaves 

 nearly linear to linear-lanceolate, 6-12 cm. long: perianth white, 6-8 mm. long; 

 lobes lanceolate to triangular, spreading: capsule ovoid, long-beaked. — Pine- 

 lands and adjacent Everglades. — F. K. (Bah.) 



2. A. lutea Small. Stem 3-11 dm. tall: blades of the basal leaves linear to 

 linear-lanceolate, or sometimes broadest above the middle, 4-12 cm. long: 

 perianth yellow, 8-10 mm. long; lobes mostly ovate: capsule conic-ovoid, long- 

 beaked. — Everglades. 



2. HYPOXIS L. Acaulescent herbs with corm-like rootstocks. Leaves 

 with elongate-linear or nearly filiform blades. Scapes slender, sometimes 

 tufted. Flowers solitary or clustered. Perianth mainly yellow. Filaments 

 adnate to the base of the perianth. Anthers erect. 



1. H. juncea .J. E. Smith. Leaf-blades involute, linear-filiform, 1-3 dm. 

 long, glabrous above: perianth-lobes oblong or oblong-lanceolate, 9-12 mm. 

 long: capsule 4-6 mm. long. — Pinelands. — F. K. (Bah., Cuba.) — Star-grass. 



3. AGAVE L. Succulent or somewhat woody plants, with more or less 

 elongate caudices upon which the leaves are crowded. Flowers in panicles. 

 (Plants flower after long periods of growth.) Anthers ver-satile. — Century- 

 PLAXT. 



Caulescent : lobes of the perianth longer than the tube. 



Leaves entire or obsoletely toothed. 1. A.rUnihi. 



Leaves with many minute teeth. 2. A. dcclpiena. 



Acaulescent : lobes of the perianth shorter than the tube. 3. A. ncijlccta. 



1. A. rigida Mill. Flowering stem erect, 4..5-9 m. tall: leaves 12-18 dm. 

 long: blades Vjroadest at the middle or above it, the terminal spine 1-2 



