April, 1913.] Liliales of Ohio. 1 1 1 



13. Leaves linear, terete, or eliptic-lanceolate; if eliptic-lanceolate then 

 flowers appearing before the leaves; odor pungent. Allium. (5) 



13. Leaves ovate, ovate-lanceolate, or lanceolate. 14. 



14. Flower stalk leafy at the base, peduncle scapose. Clintonia. (24) 



14. Flower stalk leafy to the top. 15. 



15. Anthers versatile, styles united, stigma 3-lobed. Liliiim. (2) 



15. Anthers not versatile, styles separate above the middle. 16. 



16. Leaves long-acuminate, plant finely pubescent; perianth segments ^ 



in. long, flowers usually in 2's, sometimes from 1-3, greenish. 



Disporum. (20) 



16. Leaves acute, plants glabrous or somewhat pubescent on the under 



side of the leaves when young; perianth segments about 1 in. long, 

 flowers usually single, yellow or greenish-yellow. Uvidaria. (10) 



17. Leaves not grass-like, but broad-ovate, oval or lanceolate. 18. 



17. Leaves grass-like or sword-shaped, occasionally fleshy, sometimes 



1 in. or more broad. 21. 

 IS. Flower cluster a spike of staminate or carpellate flowers; diecious. 



Chamcelirion. (15) 



18. Flowers in simple raceines at the end of leafy branches; or if in a com- 



pound raceme then without leafy bracts. 19. 



18. Flowers in a compound raceme with leafy bracts, or in a closely 



appressed panicle; leaves 10-14 in. long, oval to oblong. 



Veralrum (12) 



19. Perianth 6-parted, stamens 6. 20. 



19. Perianth 4-parted, stamens 4, plants small, leaves usuallv 2. 



Unifolium. (23) 



20. Flowers large and showy, red, yellow or orange. Lilium. (2) 



20. Flowers small, greenish. Vagnera. (22) 



21. Flowers in simple racemes or corymbose. 22. 



21. Flowers in branched racemes or panicles. 24. 



22. Flowers involucrate with 3 bractlets; plants not bulbous. Tofieldia. (16) 



22. Flowers not involucrate; plants bulbous. 23. 



23. Flowers numerous, filaments filiform. Quamasia. (6) 



23. Flowers usually less than 7, filaments flattened. Ornithogalum. (7) 



24. Leaves 1 in. wide or more, pubescent or roughened. 25. 



24. Leaves }/2 in. or less wide, glabrous. 26. 



25. Flowers large? showy, white; segments not clawed, l-13-'2 long; leaves 



rigid or sword-shaped. Yucca. (1) 



25. Flowers smaller, greenish- white, segments clawed; plant pubescent. 



Melanthium. (11) 



26. Perianth segments acute, bearing 1 or 2 glands or a spot. 



Zygadenus. (13) 

 26. Perianth segments acuminate not gland-bearing. Stenanthium. (14) 



DraccenatcB. 

 1. Yucca L. Yucca. 



Stems woody, bearing evergreen, stiff, linear leaves and having 

 a panicle of nodding, showy, white flowers. Perianth of six 

 ovate or ovate-lanceolate segments; stamens shorter than the 

 perianth; anthers small and versatile. 



Yucca filamentosa L. Adam's-needle. Stem short; leaves 

 evergreen and narrowed above, acuminate and sharp pointed, 

 %-2 in. wide, filiferous on the margin; panicle large and densely 

 flowered, on a scape 1-9 feet high; perianth segments 1-2 inches 

 long; fruit an erect capsule, ^ in. thick. Escaped in Franklin 

 County. 



