IXIACEAE. 45 



cm. long, the marginal teeth minute or obsolete: perianth greenish; lobes 21- 

 25 mm. long: anthers about 20 mm. long. Pinelands and cultivated grounds. 

 Nat. from Trop. Am., and cultivated. F. K. (Bah., Cuba, Ant.) 



2. A. decipiens Baker. Flowering stem 5-6 m. tall: leaves 10-25 dm. long: 

 blades broadest about the middle, the terminal spine 1-1.5 cm. long, the 

 marginal teeth firm, recurved: perianth greenish; lobes 16-17 mm. long: 

 anthers 14-16 mm. long. Hammocks. F. K. 



3. A. neglecta Small. Flowering stem 10-13 m. tall: leaves 15-28 dm. long: 

 blades broadest at the middle, the terminal spine 1-1.5 cm. long, the marginal 

 teeth minute, recurved: perianth yellowish-green; lobes about 23 mm. long: 

 anthers 19-23 mm. long. Pinelands. 



4. CBINUM L. Herbs with succulent coated bulbs, the neck short. 

 Leaves basal: blades linear or nearly so, elongate. Scape 2-6-flowered. 

 Perianth white: tube long: lobes narrow. Filaments adnate to the perianth- 

 tube, distinct. 



1. C. americanum L. Bulbs 7.5-10 cm. thick: leaf -blades 6-12 dm. long, 

 denticulate: scape 3-8 dm. tall: perianth-lobes linear to linear-lanceolate, 

 5-12 cm. long: capsules 4-6 cm. thick. Everglades. (Cuba, Ant.) SWAMP- 

 LILY. 



5. HYMENOCALLIS L. Herbs with coated bulbs. Leaves basal, 

 spreading: blades linear or nearly so. Scape terminated by a single flower 

 or by a cluster, the flowers erect. Perianth showy, mostly white, pink, or 

 purplish: tube elongate: lobes narrow. Filaments adnate to the perianth- 

 tube above which they are connected by a crown. SPIDER-LILY. 



Perianth-tube 13 cm. long or more. 1. H. caymanensia. 

 Perianth-tube 10 cm. long or less. 



Scape terminated by several flowers. 2. H. occidentalis. 



Scape terminated by a single flower. 3. H. Palmeri. 



1. H. caymanensis Herb. Leaf-blades 3-8 dm. long, 6-8 cm. wide, obtuse, 

 tapering somewhat toward the base: flowers 6-12: perianth-tube 13-15 cm. 

 long: lobes about 10 cm. long. Coastal sand-dunes. F. K. (Bah., Cuba, 

 Ant.) 



2. H. occidentalis Kunth. Bulbs large: leaf -blades broadly linear, glaucous, 

 3-5 dm. long, 2.4-3.5 cm. broad: flowers 3-6, terminating the scape: perianth- 

 tube 6-10 cm. long; lobes linear, about as long as the tube: staminal crown 

 25-32 mm. long. Everglades. 



3. H. Palmeri S. Wats. Bulb narrowly oblong, 8-24 mm. in diameter: leaf- 

 blades linear, 5 dm. long or less, 6-10 mm. wide: scapes 1.5-2.6 dm. tall: 

 flower solitary: perianth-tube 7.5-10 dm. long; lobes nearly as long as the 

 tube: staminal crown funnelform, 3-4 cm. long, with acuminate tips between 

 the filaments. Everglades. 



FAMILY 2. IXIACEAE. IRIS FAMILY. 



Perennial, mostly caulescent, herbs with short or long rootstocks. 

 Leaves equitant, usually elongate. Flowers perfect, mostly regular, arising 

 from spathe-like bracts. Calyx of 3 sepals. Corolla similar to the calyx 

 or of 3 very different members. Androecium of 3 stamens, the filament 

 partially adnate to the perianth. Gynoecium of 3 united carpels. Ovarv 

 inferior. Styles entire or divided, sometimes petal-like. Ovules few to 

 numerous. Fruit a loculicidal 3-valved capsule. 



