LEUCOJACEAE 289 



4. Agave neg!6cta Small. Foliage glabrous. Leaves basal ; blades glaucous, as- 

 cending or spreading when young, becoming numerous, short and recurved at maturity, 

 15-28 dm. long, thick at the base, broadest at the middle, thence tapering to the apex ; 

 terminal spine brown, with a short narrow channel ; margins armed with minute close-set 

 teeth : scape erect, 13 m. tall : panicle about 30 dm. high : perianth yellowish green, 55 

 mm. long ; lobes about 23 mm. long : filaments adnate to about the middle of the tube, ex- 

 serted. 



In sand or sandy soil, peninsular Florida. 



6. ATAMOSCO Adans. 



Acaulescent herbs, with coated bulbs and glabrous foliage. Leaves basal : blades 

 narrowly linear, flat or channeled. Scape fleshy, 1-flowered. Perianth white, pink, 

 purple or yellow : tube funnelform : lobes 6, equal, more or less spreading. Stamens 6, 

 equal or nearly so : filaments adnate to the throat of the perianth-tube : anthers versatile. 

 Ovary 3-celled : style filiform, 3-lobed at top, or stigma nearly capitate. Ovules numerous, 

 in two rows in each cavity. Capsule 3-celled, subglobose or depressed, more or less 3- 

 lobed, loculicidally 3-valved. Seeds black or nearly so, usually flattened. [Zephyranthes 

 Herb. ] ATAMASCO LILY. STAGGER GRASS. AMARYLLIS. 



Perianth white, pink or purplish. 



Spathe entire, about % as long as the perianth. 1. A. Simpsonii. 



Spathe 2-cleft, barely % as long as the perianth. 



Leaf-blades half-terete, with rounded margins. 2. A. Treatiae. 



Leaf-blades concave, with sharp margins. 3. A. Atamai-co. 



Perianth yellow. 



Spathe surpassing the pedicel. 



Spathe about equalling the perianth : stigma 3-parted. 4. A. longifolia. 



Spathe about equalling the top of the ovary : stigma 3-lobed. 5. A. pulchella. 



Spathe much shorter than the pedicel. 6. A. Texana. 



1. Atamosco Simpsonii (Chapm. ) Greene. Bulbs ovoid, 2.5-3 cm. in diameter, 

 with brown coats : leaves basal, erect or nearly so ; blades linear, 3-5 dm. long, 2-4 mm. 

 broad, overtopping the scape, channeled, narrower above : scapes erect, solitary or 3 to- 

 gether, stout, 2-2.5 dm. tall, flattened : spathe cylindric, 2-3 cm. long, oblique at the en- 

 tire opening: perianth pale pink, about 5-5.5 cm. long, about twice as long as the 

 spathe ; lobes oblong-obovate, apiculate : capsules about 1 cm. high. 



In low pine lands, peninsular Florida. Spring and summer. 



2. Atamosco Treatiae (S. Wats.) Greene. Bulbs 1-1.5 cm. in diameter: leaves 

 basal ; blades linear, 1-4 dm. long, less than 3 mm. wide, half-terete, not lustrous, 

 with rounded margins : scapes erect, 1-3.5 dm. tall, terete : peduncle 6-18 mm. long : 

 spathe membranous, surpassing the ovary : perianth white, turning pink, 6-8 cm. high ; lobes 

 slightly broadened upward, much longer than the tube", apiculate : capsules depressed, 

 about 1 cm. broad. 



In pine lands, Florida. Spring. 



3. Atamosco Atamasco (L. ) Greene. Bulbs ovoid, 2-2.5 cm. long. Leaves basal ; 

 blades fleshy, linear, 1.5-4 cm. long, lustrous, blunt, as long as the scape or longer : 

 scapes erect, terete : spathe surpassing the ovary, 2-cleft : perianth white or light purple, 

 5-8 cm. high ; lobes lanceolate to ovate-lanceolate, longer than the tube : stamens in- 

 cluded : capsules broader than long, 1 cm. high. 



In low grounds, Pennsylvania to Florida and Alabama. Spring. EASTER LILY. 



4. Atamosco longifolia (Hemsl. ) Small. Bulbs ovoid, 2-2.5 cm. long, the neck 

 3.5-5 cm. long : leaves basal, erect or ascending ; blades linear, 1.5-2.5 dm. long, 1-2 mm. 

 wide, often nearly filiform : scape solitary, 7.5-15 cm. tall, terete : spathe nearly 

 equalling the perianth : perianth yellow, 2-2.5 cm. long ; lobes oblong or broadened up- 

 ward, acute or abruptly pointed : capsules subglobose or slightly depressed, about 1 cm. in 

 diameter. [Zephyranthes longifolia Hemsl. ] 



In dry soil, Texas to Arizona and Mexico. 



5. Atamosco pulchella (J. G. Smith) Greene. Bulbs subglobose, 1-2 cm. in diame- 

 ter, with dark brown coats, the neck 3-4 cm. long. Leaves basal, 3-4 ; blades linear, 1.5-2.5 

 dm. long, 1-2 mm. broad : scape erect, slender, 1.5-2 dm. tall : flower solitary, erect, appear- 

 ing with the leaves : spathe 2-2.5 cm. long, entire at the apex, tubular for its length, 

 slightly surpassing the pedicel : perianth about 2 cm. long, light yellow ; lobes oblanceo- 

 late, acute ; tube 5 mm. long : stamens about as long as the perianth-lobes inserted at the 

 throat of the tube : style as long as the stamens. 



In sandy soil, Corpus Christi, Texas. Summer. 

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