136. Iriimceae 291 



3. Flowers solitary or sub-umbellate, bright yellow; low mostly pubescent 

 herbs with grass-like leaves 5. Hypoxis 



1 . Narcissus L. 



A^ pseudo-narcissus L., Daflfodil, with solitai-y yellow flowers, is 

 extensively planted and often persists, but is scarcely established in 111. 

 N. poeticus L., Poet's Narcissus, with solitary white flowers, and N. 

 jonquilla, Jonquil, with 2-6 yellow flowers, sometimes are briefly per- 

 sistent after cultivation; all are native of Ein\ 



2. Hymenocallis Salisb. — Spider Lily 



H. occidcntalis (Le Conte) Kunth. Stream banks and moist 

 ground in woods; known from Jackson, Johnson, Pulaski, Union, and 

 Wabash counties. 



3. Agave L. 



A. vir^iuica L. American Aloe. Sandy soil, or in rocky open woods 

 in s. 111. June-Aug. 



4. Aletris L. — Colic-root 



A. farinosa L. Sandy woods; known from Cook, Iroquois, Kan- 

 kakee, and Lake counties. July-Aug. 



5. Hypoxis L. — Stargrass 



H. hirsuta (L.j Coville. Meadows, sandy soil, open woods, com- 

 mon. Apr. -June. 



136. Iridaceae Lindl. — Iris Family 



1. Lea\-es more than 1 cm wide; flowers large; plants with rhizomes. 



2. Flowers blue, yellow, or reddish; seeds flattened or angular; style- 

 branches broad, petal-like, opposite the anthers 1. Iris 



2. Flowers orange, mottled with purple; seeds globose, black, shining, suc- 

 culent; style-branches filiform, alternate with the anthers 



2. Belamcanda 



1. Leaves less than 7 mm wide; flowers small; plants without rhizomes 



3. Sisyrinchium 



1. Iris L. — Iris 

 1. Flowers blue or yellow. 



2. Flowers yellow; escaped from cult.; native of Eur 



/. pseudacorus L. 



2. Flowers blue, variegated with yellow and white. 



3. Perianth-tube as long as or longer than the sepals; stream- 

 banks, woods in Hardin and Union counties. Apr.-May. 



Dwarf Crested Iris /. cristata Ait. 



3. Perianth-tube much shorter than the sepals. 



4. Leaves somewhat glaucous; sepals 5-8 cm long; capsule 

 obscurely 3-lobed, 1.5 cm thick; ditches, wet meadows, 

 moist woods, banks ol streams, ponds, and sloughs, 

 common. May-June. Blue Iris [/. versicolor .sensu auth., 

 ex p., non L.] /. shrevei Small 



