444 



AMARYLLIDACEAE. 



i. Zephyranthes Atamasco (L/. ) Herb. 



Atamasco Lily. Stagger-grass. 



(Fig. 1062.) 



Amaryllis Atamasco L. Sp. PI. 292. 1753. 

 Zephyranthes Atamasco Herb. App. Bot. Reg. 36. 

 1821. 



Bulb ovoid, about i' long. Leaves fleshy, 

 somewhat concave, shining, 6'-i5' long, about 

 !%,"-$" wide, blunt, usually shorter than the 

 scape; scape terete, erect, 2 // -3 // in diameter; 

 bract membranous, 2-cleft into acuminate lobes, 

 longer than the ovary; flowers 2 / -T > *4' high, 

 white with a purplish tinge or sometimes light 

 purple; perianth-segments oblong-lanceolate, 

 acute, shorter than the tube; stamens shorter 

 than the tube; stamens shorter than the peri- 

 anth; style longer than the stamens; capsule 

 depressed, about y 2 f high. 



In moist places, southern Pennsylvania (?) ; east- 

 ern Virginia, Florida and Alabama. Perianth 

 rarely 8-lobed. March-June. 



2. COOPERIA Herb. Bot. Reg. pi. 1835. 1836. 



Low herbs with coated bulbs, very narrow grass-like leaves and slender i-flowered scapes, 

 the flower large, long, erect, subtended by a membranous spathe-like bract. Perianth salver- 

 form with 6 oval or ovate spreading lobes united into a tube several times their length, the 

 tube cylindric or slightly dilated at the summit. Stamens inserted on the throat of the peri- 

 anth; filaments short; anthers linear, erect. Ovary 3-celled ; style filiform; stigma slightly 

 3-lobed; oyules numerous, in 2 rows in each cavity of the ovary. Capsule depressed, globose 

 or obovoid, 3-lobed, loculicidally 3-valved. Seeds numerous, horizontal, black. [In honor 

 of Daniel Cooper, i8i7?-i842, Curator, Botanical Society of London.] 



Two known species, natives of the southwest- 

 ern United States and Mexico. 



i. Cooperia Drummondii Herb. 



Drummond's Cooperia. 



(Fig. 1063.) 



Cooperia Drummondii Herb. Bot. Reg. pi. 1815. 

 1836. 



Bulb globose, about i' in diameter. Leaves 

 6 / -i2 / long, 2 // -3 // wide, erect; scape slender, 

 hollow, about as long as the leaves; spathe-like 

 bract i / -2 / long, 2-cleft above into acuminate 

 lobes 4 // -6 // long; flower 3'-$' high, white or 

 pinkish; tube of the perianth very slender, 

 about i l /i" in diameter, slightly expanded just 

 below the limb; segments oblong, obtuse and 

 cuspidate or acutish, nearly i' long, 3 // -4 // 

 wide, ovary sessile; capsule somewhat obovoid, 

 about ]/i' in diameter, deeply lobed. 



On prairies, Kansas to Louisiana, Texas, Mexico 

 and New Mexico. April-July. 



3. HYMENOCALLIS Salisb. Trans. Hort. Soc. i: 338. 1812. 



Mostly tall bulbous herbs with usually lanceolate or linear-oblong leaves, and large 

 white sessile or short -pedicelled umbelled flowers on erect solid scapes, each flower subtended 

 by 2 long, membranous bracts. Perianth of 6 spreading or recurved narrow equal elongated 

 lobes, united below into a long cylindric tube. Stamens inserted in the top of the perianth- 

 tube, the lower parts of the long filaments connected by a membranous cup-like crown; an- 

 thers linear, versatile. Ovary 3-celled; ovules only i or 2 in each cavity; style filiform ^long- 

 exserted; stigma small, entire or nearly so. Capsule ovoid or globose, rather fleshy. Seeds 

 usually only i or 2, large, green, fleshy. [Greek, beautiful membrane, referring to the crown. ] 



About 30 species, all American. Besides the following, 10 others occur in the southern States. 



