468 AMARYLLIDACEJE. (AMARYLLIS FAMILY.) 



3. CKINUM, L. 



Tube of the perianth crownless at the apex. Otherwise like Pancratium both 

 in character and habit. 



1. C. Americamim, L. Leaves strap-shaped, concave, obtuse, remotely 

 denticulate, spreading ; scape compressed, with rounded edges, 2 - 4-flowered ; 

 bracts lanceolate recurved ; ovaries sessile, with a linear bractlet at the base of 

 each ; flowers large, fragrant ; leaves of the perianth white, lanceolate, shorter 

 than the green tube ; filaments and style purple above ; stigma truncate, entire ; 

 ovules 3 in each cell, erect ; capsule globose, membranaceous, indehiscent ; 1 - 6- 

 seeded, pointed with the long persistent tube of the perianth ; seed large, conn- 

 like; embryo oblong, in the axis of copious fleshy albumen; radicle inferior. 

 River-swamps, Florida, and westward. May - Sept. Scape 1 - 2 high. Peri- 

 anth 6' - 8' long. 



4. AGAVE, L. 



Perianth corolla-like, funnel-shaped, 6-parted, persistent. Stamens cxserted : 

 anthers linear, versatile. Style filiform, exserted : stigma 3-angled or 3-lobed. 

 Capsule coriaceous, 3-lobed, 3-celled, loculicidally 3-valved, many-seeded. Seeds 

 flat, black and shining, attached to the central placentae. Scape bracted. 

 Leaves fleshy, spiny or cartilaginous on the margins. Flowers in simple or 

 panicled spikes, bracted. 



1. A. Virginica, L. Leaves lanceolate, thick and rigid, spine-pointed, 

 denticulate on the margins; scape simple, smooth; flowers small, yellowish, 

 scattered in a simple spike ; perianth strongly nerved; filaments and style spotted. 

 Sterile soil, Florida, and northward. July. Scape 3 -5 high. Leaves 

 6' - 12' long. Capsule globose, 3-lobed. 



5. HYPOXYS, L. STAR-GRASS. 



Perianth 6-parted, persistent, the spreading divisions colored within. Stamens 

 short, unequal : anthers erect. Ovary 3-celled, with the numerous amphitropous 

 ovules attached to the central placentae in two rows. Style short and thick : 

 stigmas 3. Capsule top-shaped, many-seeded, opening transversely near the 

 summit, the upper portion, with the withered perianth, falling off like a lid. 

 Seeds globular, with a beak-like projection near the base. Radicle inferior. 

 Low pubescent herbs, from a tuberous root, with grass-like leaves, and a naked 

 scape, bearing the few yellow flowers in a terminal bracted umbel. 



1 H. erecta, L. Hairy ; leaves linear, channelled ; scapes 1-4, filiform, 

 2 - 4-flowered ; bracts subulate, much shorter than the slender unequal pedicels ; 

 divisions of the periantn oblong, greenish and hairy without, yellow within ; cap 

 sule 8-celled. Varies, with the more rigid leaves nearly smooth, the 2-3-flow- 

 ered scape flattened, and the bristle-like bracts longer than the nearly sessile 

 almost woolly perianth. Low ground, Florida, and northward. March and 

 April. Scapes 2' -9'. long. Leaves at length much longer than the scape. 

 Flowers 8" wide. 



