444 AMARYLLIDACEAE. 
1. Zephyranthes Atamasco (L.) Herb. 
Atamasco Lily. Stagger-grass. 
(Fig. 1062.) 
Amaryllis Atamasco I,. Sp. Pl. 292. _ 1753. 
sh el eed Aflamasco Herb. App. Bot. Reg. 36. 
Bulb ovoid, about 1/ long. Leaves fleshy, 
somewhat concave, shining, 6’-15’ long, about 
1%4//-3/’ 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/-314’ 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 14’ high, 
In moist places, southern Pennsylvania (?); east- 
ern Virginia, Florida and Alabama. Perianth 
rarely 8-lobed. March-June. 
2. COOPERIA Herb. Bot. Reg. A/. 7835. 1836. 
Low herbs with coated bulbs, very narrow grass-like leaves and slender 1-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; ovules 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, 1817 ?-1842, Curator, Botanical Society of London. ] 
Two known species, natives of the southwest- 
ern United States and Mexico. 
1. Cooperia Drummondii Herb. 
Drummond’s Cooperia. 
(Fig. 1063. ) 
Cooperia Drummondii Herb, Bot. Reg. pl. 1835 
1836. 
Bulb globose, about 1’ in diameter. Leaves 
6-12’ long, 2’’-3/’ wide, erect; scape slender, 
hollow, about as long as the leaves; spathe-like 
bract 1/-2’ long, 2-cleft above into acuminate 
lobes 4/’-6’’ long; flower 3’-5’ high, white or 
pinkish; tube of the perianth very slender, 
about 114’ in diameter, slightly expanded just 
below the limb; segments oblong, obtuse and 
cuspidate or acutish, nearly 1’ long, 3//—4/’ 
wide, ovary sessile; capsule somewhat obovoid, 
about 14’ in diameter, deeply lobed. 
On prairies, Kansas to Louisiana, Texas, Mexico 
and New Mexico. April-July. 
ae HYMENOCALLIS Salisb. Trans. Hort. Soc. 1: 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 1 or 2 in each cavity; style filiform, long- 
exserted; stigma small, entire or nearly so, Capsule ovoid or globose, rather fleshy. Seeds 
usually only 1 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. 
