IRIDACEAE 89 



Family i. AMARYLLIDACEAE Lindl. Amaryllis Family. 



Perennial from corms or short rootstocks. 

 Ovary and capsules one-half inferior. i. Aletris. 



Ovary and capsules wholly inferior. 2. Hypoxis. 



Perennial from coated bulbs. 3- Narcissus. 



1. ALETRIS L. 

 1. Aletris farlnosa L. Star-grass. Colic-rooT. (Man. p. 269; 

 I. V.f. 1023.) In dry soil, Me. to Minn., Fla. andTenn. — Pcnnsylva^iia: 

 Montgomery ; Chester ; Lancaster ; Luzerne ; Clinton. 



2. HYPOXIS L. 

 1. Hypoxis hirsuta (L.) Coville. Star-grass. (Man. p. 280; I. 

 F. /. 1066.) In dry soil. Me. to Assiniboia, Fla. and Tes..— Pennsyl- 

 vania : Northampton; Chester; Lancaster; Bucks; Columbia; 

 Huntingdon ; Franklin ; Monroe ; Montgomery ; Delaware ; 



Allegheny'. 



3. NARCISSUS L. 



1. Narcissus Pseudo-Narcissus L. Daffodil. (Man. p. 279.) Es- 

 caped, Pa. and N. J. — Pennsylvania : Northampton ; P>ucks ; Lanc.\S- 

 TER. 



Family 2. DIOSCOREACEAE Lindl. Yam Family. 

 1. DIOSCOREA L. 

 1. Dioscorea villosa L. Wir.D Yam root. (Man. p. 2S1 ; I. F.y. 

 /068.) In moist thickets, R. I. to Out. to Minn., Fla. and Tex. — Penn- 

 sylvania: Northampton; Bucks; Lebanon; Lancaster; Luzerne; 

 Columbia; Lackawanna; Fulton; Franklin; Delaware; Alle- 

 gheny. 



Family 3. IRIDACEAE Lindl. Iris Family. 



Styles alternate with the stamens. 



Filaments distinct : seeds drupe-like. i. Gemmingia. 



Filaments united : seeds dry. 2. Sisyrinchium. 



Styles opposite or arching over the stamens. 3. Iris. 



1. GEMMINGIA Fabr. 



1. Gemmingia Chinensis (L.) Kuntze. Blackberry Lily. (Man. 

 p. 284 ; I. F./. /0S2. ) On hills and along roadsides, N. Y. to Ga., Ind. 

 and Mo. Nat. from Asia. — Pennsylvania : Northampton ; Bucks ; 

 Chester ; Lancaster ; York ; Del.\ware ; Allegheny. 



2. SISYRINCHIUM L. 



Scapes simple and terminated by the sessile or nearly sessile spathe or spathes. 

 Capsules 2-4 mm. long : leaf-blades mostly less than 1.5 mm. wide. 



1. S. mucronatutn. 

 Capsules 4-6 mm. long : leaf-blades mostly over 1.5 mm. wide. 



2. S. angustifolium. 

 Scapes branched or bearing two or more terminal peduncles. 



Foliage becoming dark in drjnng : broadly winged scapes over 1.5 mm. wide. 



3. S. graminoides. 

 Foliage green in drying : narrowly winged scapes less than 1.5 mm. wide. 



4. 5. Atlanticjim. 



