LIL1ACEAE. 265 



Leaves perfectly smooth ; perianth-segments recurved. 



Leaves lanceolate ; stem 0.9-3.2 m. tall ; flowers 1-40. 



6. L. superbum. 

 Leaves oblanceolate ; stem 6-9 dm. tall ; flowers 1-3. 



7. L. Caroliinannm, 

 Leaves all alternate, crowded, the upper axils bulb^bearing ; escaped from gardens. 



8. L, tigrinum. 



1. Lilium Philadelphicum L. Red Lily. Wood Lily. Philadelphia 

 Lily. (I. F. f. 1003.) Bulb composed of jointed fleshy scales. Stem 3-9 dm. 

 tall, leafy above; leaves acute at both ends or the lower sometimes obtuse, 2-ic 

 cm. long, 6-14 mm. wide; thin, the margins finely roughened; flowers 1-5, erect, 

 6-10 cm. high; perianth reddish orange, its segments spatulate, somewhat spreading, 

 purple spotted below; capsule obovoid^oval, 4-5 cm. high. In dry woods and 

 thickets, Me. to Ont., N. Car. and W. Va. June-July. 



2. Lilium umbellatum Pursh. Western Red Lily. (I. F. f. 1004.) Simi- 

 lar to the preceding species; stem usually more slender. Leaves linear, blunt, or 

 the upper acute, ascending, or sometimes appressed, 2-8 cm. long, 2-5 mm. wide, 

 all alternate or the uppermost verticillate; flowers 1-3, erect, 5-8 cm. high; peri- 

 ianth-segments red, orange or yellow, spotted below, the claw shorter than the 

 blade; capsule oblong, 7-10 cm. long. In dry soil, Ohio to Minn, and the N. W. 

 Terr., Mo., Ark. and Colo. June-July. 



3. Lilium Catesbaei Walt. Southern Red Lily. (I. F. f. 1005.) Bulb 

 composed of leaf- bearing scales, their leaves linear, 5-10 cm. long, often falling 

 away before the plant flowers. Stem leaves alternate, acute or acuminate, erect 01 

 appressed, 2-8 cm. long, 2-6 mm. wide; flower erect; perianth-segment scarlet 

 with a yellow purple-spotted base and a slender claw, spreading or somewhat re- 

 curved, 7-13 cm. long, long-acuminate, wavy-margined; capsule 2.5 cm. high. In 

 pine barrens, N. Car. to Fla. and Ala. Reported from Ky. and Mo. July- Aug. 



4. Lilium Canadense L. Wild Yellow Lily. Canada Lily. (I. F. f. 

 1006.) Bulbs subglobose, composed of numerous thick white scales. Stem 

 6-15 dm. tall; leaves lanceolate, verticillate in 4's-io's or some of them alternate, 

 acuminate, 5-15 cm. long, roughened on the margins and on the veins beneath; 

 flowers I- 1 6, nodding on long peduncles; perianth-segments 5-8 cm. long, yellow 

 or red, spotted below, recurved or spreading; capsule erect. In swamps, mead- 

 ows and fields, N. S. to Ont., Minn., Ga. and Mo. Red-flowered forms with 

 slightly spreading perianth-segments resemble the following species, and forms with 

 strongly recurved segments, L. superbum. June-July. 



5. Lilium Grayi S. Wats. Asa Gray's Lily. (I. F. f. 1007.) Rootstock 

 bearing small bulbs with thick scales. Stem slender, 6-9 dm. high; leaves oblong- 

 lanceolate, acute or acuminate, narrowed at the base, 5-10 cm. long, verticillate in 

 3's-8's or the lowest commonly smaller and scattered, all roughened on the veins 

 beneath; flowers 1-3, long-peduncled, spreading or slightly drooping, 5-8 cm. long. 

 red or tinged with yellow at the base; perianth-segments oblong-spatulate, not 

 clawed, acute, spotted; capsule fig-shaped. Peaks of Otter, Va., and on the 

 higher mountain summits in N. Car. July-Aug. 



6. Li'ium superbum L. Turk's-Cap Lily. (I. F. f. 1008.) Bulbs globose 

 on short rootstocks, their scales white, ovate. Stem 0.9-2.5 m. high; leaves lan- 

 ceolate or linear-lanceolate, smooth, acuminate at both ends, 5-15 cm. long, verticil- 

 late in 3's-8's or the upper alternate; flowers orange, orange-yellow or rarely red, 

 3-40. nodding, long-peduncled, forming, when numerous, a large panicle; peri- 

 anth-segments 6-10 cm. long, lanceolate, acuminate, purple-spotted, at length 

 usually strongly recurved from below the middle; capsule obovoid. In meadows 

 and marshes, Me. to Ont., Minn., N. Car. and Tenn. July-Aug. 



7. Lilium Carolinianum Michx. Carolina Lily. (I. F. f. 1009.) Bulbs 

 borne on short rootstocks, globose, composed of fleshy scales. Stem 6-9 dm. high; 

 leaves oblanceolate or obovate, smooth, verticillate, or the upper and lower alter- 

 nate, narrowed at the base, the veinlets prominently anastomosing; flowers 1-3, 

 orange-red, 7-10 cm. long, long-peduncled, nodding; perianth-segments lanceo- 

 late, acuminate, purple- spotted below, strongly arched backward with their tips 

 sometimes connivent. In dry woods. Va, to Fla. and La. Aug. 



8. Lilium tigrinum Andr. Tiger Lily. (I. F. f. 1010.) Bulb globose, 



