34 IXIACEAE. 



Perianth white to yellow, campanulate, eylindric, or obovoid, granular or 

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

 the perianth or above it. 



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, L. keys. [E. K.] (Bah.) COLIC-ROOT. STAR-GRASS. 



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, L. keys. [E. 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 versatile. CENTURY- 

 PLANT. 



Leaf-blades entire or obscurely toothed : filaments over twice the length of the 

 perianth. 1. A. rigida. 



Leaf-blades sharply toothed : filaments less than twice the length of 



the perianth. 2. A. decipiens. 



1. A. rigida Mill. Flowering stem erect, 4.5-9 m. tall: leaves 12-18 dm. 

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

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

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

 L. keys. Nat. of Trop. Am. [E. K.] (Bah., Cuba, Ant.) SISAL. 



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, U. keys, L. keys, L. S. keys. [E. K.] 



4. 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. 



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 and hammocks, U. S. keys, 

 U. keys, L. keys, L. S. keys. [E. K.] (Bah., Cuba, Ant.) SPIDER-LILY. 



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 filaments 

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

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

 numerous. Fruit a loculicidal 3-valved capsule. 



