AMAR YLLIDA CEA E. 2/9 



Bulbous herbs with flowers on scapes. 



Flower solitary (in our species); perianth with a crown. I. Narcissus. 



Flower solitary; perianth without a crown. 



Anthers versatile ; tube of the perianth not greatly elongated. 



2. Atamosco. 

 Anthers erect ; tube o f the perianth several times the length of its lobes. 



3. Cooperia. 

 Flowers clustered ; perianth with a membranous crown connecting the lower parts of 



* the filaments. 4- Hymenocallis. 



Bulbless herbs, with rootstocks or corms. 



Perianth adnate to the whole surface of the ovary ; leaves mostly basal. 

 Tall, fleshy-leaved; anthers versatile. 5. Agave. 



Low, linear-leaved ; anthers not versatile. 6. Hypoxis. 



Perianth adnate only to the lower part of the ovary; stem leafy; flowers woolly. 



7. Lophtola. 



i. NARCISSUS L. 



Bulbous herbs, the flowers solitary or several on leafless scapes, the leaves linear, 

 basal. Flowers subtended by a deciduous spathe; perianth 6-parted, bearing a 

 cup-like funnelform or cylindric crown in the throat. Stamens inserted on the 

 tube of the perianth; ovary 3-celled. About 20 species, natives of the Old World. 



I. Narcissus Pseudo-Narcissus L. DAFFODIL. Scape about 3 dm. high, 

 2 -edged. Leaves narrowly linear, about as long as the scape; flower bright 

 yellow, 5-8 cm. broad; crown crenate, rather longer than the perianth -tube. 

 Escaped from cultivation, Penn. and N. J. April-May. Flowers often double. 



a. ATAMOSCO Adans. 



Glabrous herbs with coated bulbs, narrow leaves, and erect scapes, the flower 

 large, erect, pink, white or purple. Perianth funnelform, naked in the throat, 

 with 6 membranous equal erect-spreading lobes united below into a tube, subtended 

 by an entire or 2-cleft bract. Stamens inserted on the throat of the perianth, equal 

 or nearly so. Ovary 3-celled; style long, filiform, 3-cleft at the summit; ovules 

 numerous, in 2 rows in each cavity. Capsule subglobose or depressed, 3-lobed, 

 loculicidally 3-valved. Seeds mostly flattened, black or nearly so. [Greek, signify- 

 ing wind-flower.] About 30 species, natives of America. Besides the following, 

 4 others occur in the southern U. S. (Zephyranthes Herb. ) 



i. Atamosco Atamasco (L.) Greene. ATAMASCO LILY. (L F. f. 1062.) 

 Bulb ovoid, about 2.5 cm. long. Leaves fleshy, shining, 1.5-4 dm. long, 3-6 mm. 

 wide, blunt, usually shorter than the scape; scape terete, erect; bract 2-cleft into 

 acuminate lobes, longer than the ovary; flowers 5-9 cm. high, white with a pur- 

 plish tinge or sometimes light purple; perianth-segments oblong -lanceolate, acute, 

 shorter than the tube ; stamens shorter than the tube ; style longer than the stamens ; 

 capsule depressed, about 1.2 cm. high. In moist places, S. Penn. (?), E. Va. to 

 Fla. and Ala. Perianth rarely 8-lobed. March-June. (Zephyranthes Atamasco 

 Herb.) 



4. COOPERIA Herb. 



Low herbs with coated bulbs, grass-like leaves and I -flowered scapes, the flower 

 large, long, erect, subtended by a spathe-like bract. Perianth salverform, with 6 

 spreading lobes. Stamens inserted on the throat of the perianth; filaments short; 

 anthers linear. Ovary 3-celled; style filiform; stigma slightly 3-lobed; ovules 

 numerous, in 2 rows of each cavity of the ovary. Capsule depressed, 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 southwestern U. S. and Mex. 



i. Cooperia Drummondii Herb. DRUMMOND'S COOPERIA. (I. F. f. 1063.) 

 Bulb globose, about 2.5 cm. in diameter. Leaves 1.5-3 dm. long, 4-6 mm. wide, 

 erect; scape slender, hollow, about as long as the leaves; spathe-like bract 2-5 cm. 

 long, 2-cleft above into acuminate lobes; flower 7-13 cm. high, white or pinkish; 

 tube of the perianth very slender, about 3 mm. in diameter, slightly expanded just 

 below the limb; segments oblong, nearly 2.5 cm. long; ovary sessile; capsule some- 

 what obovoid, about i cm. in diameter, deeply lobed, On prairies, Kans. to La. ? 

 Tex., Mex. and N. Mex. April-July, 



