298 AMARYLLIDACEAE (AMARYLLIS FAMILY J 



1. HYMENOCALLIS Salisb. 



Capsule thin, 2-3-lobed ; seeds usually 2 in each cell, basal, fleshy, often like 

 bulblets. Scapes and leaves from a coated bulb. Flowers white, fragrant, large 

 and showy, sessile in an umbel-like head or cluster, subtended by 2 or more sca- 

 rious bracts. (Name composed of v^rfv, a membrane, and /cdXXos, beauty.) 



I. H. occidentalis (Le Conte) Kunth. Leaves strap-shaped, glaucous, 3-5 

 dm. long, 18 36 mm. broad ; scape 3-6-flowered ; bracts narrow, 5 cm. long ; 

 perianth-tube about 8-10 cm. long, the linear segments scarcely shorter ; the 

 crown 2.5-3 cm. long, tubular below, broadly funnel-form above, the margin 

 deltoid and entire, or 2-toothed and erose, between the white filaments, which 

 are twice longer ; anthers yellow ; style green. Marshy banks of streams, s. 

 Mo. and s. 111. to n. Ga., and Ala. 



2. NARCISSUS [Tourn.] L. 



Capsule thin, 3-celled ; seeds numerous in each cell, affixed in 2 series to the 

 axile placenta. Flowers (in our species) solitary on leafless scapes subtended 

 by a deciduous or marcescent spathe. (Name of the youth who, according to a 

 Greek myth, was changed into this flower.) 



1. N. PSEUDO-NARCISSUS L. (DAFFODIL.) Crown at least as long as the 

 perianth-segments, yellow. Established in meadows, Pa. and N. J. (Introd. 

 from Eu.) 



2. N POETICUS L. (POET'S NARCISSUS.) Crown less than half as long as the 

 perianth-segments, white edged with pink. Established in meadows, N. E., 

 L. I., and Pa. (Introd. from Eu.) 



3. ZEPHYRANTHES Herb. 



Perianth funnel-form, from a tubular base ; the 6 divisions petal -like and 

 similar, spreading above ; the 6 stamens inserted in its naked throat. Pod 

 membranaceous, 3-lobed. (From {tyvpos, a wind, and &vdos, flower.) 



I. Z. Atamasco (L.) Herb. (ATAMASCO LILY.) Leaves bright green and 

 shining, very narrow, channeled, the margins acute ; scape 2-3.5 dm. high ; pe- 

 duncle short ; spathe 2-cleft at the apex ; perianth white and pink, 6-9 cm. long ; 

 stamens and style declined. (Atarnosco Greene.) Pa. to Fla. June. 



4. COOPERIA Herb. 



Perianth-tube very long and slender, the limb widely spreading, 6-parted, the 

 short stamens borne on the throat. Spathe single, membranaceous. Capsule 

 depressed-globose; seeds numerous. Leaves grass-like from a tunicate bulb. 

 ( Named in honor of Daniel Cooper, an English botanist of the early part of the 

 19th century.) 



1. C. Drumm6ndii Herb. Scape slender, 2-5 dm. high ; perianth white or 

 rose-tinged, the stalk-like tube often 1 dm. in length. Prairies, s. Kan. and 

 southwestw. 



5. AGAVE L. AMERICAN ALOE 



Perianth tubular-funnel-form, persistent, 6-parted ; the divisions nearly equal, 

 narrow. Stamens 6 ; anthers linear, versatile. Capsule coriaceous, many-seeded ; 

 seeds flattened. Leaves thick and fleshy, often with cartilaginous or spiny 

 teeth, clustered at the base of the many-flowered scape, from "a thick fibrous- 

 rooted crown. (Name from ayav-rj, noble, not inappropriate as applied to 



A. AMERICANA, the CENTURY PLANT.) 



1. A. virginica L. (FALSE ALOE.) Herbaceous ; leaves entire or denticulate ; 

 scape 1-2 m. high ; flowers scattered in a loose wand-like spike, greenish -yellow, 

 fragrant ; perianth 18-24 mm. long, its narrow tube twice longer than the 

 erect lobes. Dry or rocky banks, Md. and Va. to Fla., w. to s. O., s. Ind., 

 Mo., and Tex. 



