262 COMPOSIT. 
212. LACTUCA. 
Lactuca, Linn. Gen. Plant. n. 909; Benth. et Hook. Gen. Plant. 1. p. 524. 
Abour sixty herbaceous species in Europe, Asia, Africa, and North America, some of 
them now naturalized in other parts of the world. | 
1. Lactuca intybacea, Jacq. Ic. Pl. Rar. i. t. 162; Collec. i. p. 53; Less. in 
Linnea, vi. p. 724. | 
Phenixopus intybaceus, Less. Synop. p. 137. 
Brachyramphus intybaceus, DC. Prodr. vii. p. 177. 
Nicaragua, Granada (@rsted); Costa Rica (Girsted).—West Inpizs. Hb. Kew. 
[Sonchus oleraceus, Linn. Sp. Pl. p. 1117, occurs as an introduced weed. Bentham 
and Hooker (Gen. Plant. ii. p. 528) suggest that 7rachodes paniculatus (Don in Trans. 
Linn. Soc. xvi. p. 182) may be nothing more than the same plant. ] 
213. PINAROPAPPUS. 
Pinaropappus, Less. Synop. Comp. p. 143; Benth. et Hook. Gen. Plant. ii. p. 529. 
A perennial herbaceous monotype. 
1. Pinaropappus roseus, Less. Syn. p. 143; DC. Prody. vii. p. 99. 
Achyrophorus roseus, Less. in Linnea, v. p. 133, t. 2. f. 5. 
Trexas.—Nortu Mexico, Sonora, not rare (ex A. Gray in Torr. Bot. U.S. & Mex. 
Bound. Surv. p. 106), region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 
004); SourH Mexico, Chinantla (Liebmann), Real del Monte (Coulter, 460), Orizaba 
(Botteri, 1180, 1181), Cordillera of Oaxaca, at 7000 feet (Galeotti, 2192), around 
Toluca (Andrieux, 268). Hb. Kew. 
214, STEPHANOMERLIA. 
Stephanomeria, Nutt. in Trans. Amer. Phil. Soc. ser. 2, vii. p. 427; A. Gr. in Bot. Calif. i. p. 427. 
A North-west American genus of about seven known herbaceous species. 
1. Stephanomeria exigua, Nutt.; Eaton, Bot. King Exped. p. 198, t. 20. 
figs. 6, 7. 
Hemiptilium bigelovii, A. Gr. in Torr. Bot. U.S. & Mex. Bound. Surv. p. 105. 
Cauirornia; New Mexico; Texas.—Norru Mexico, Frontera (Bigelow). 
2. Stephanomeria schottii, A. Gr. in Bot. Calif. i. p. 427. 
Hemiptilium schottii, A. Gr. in Torr. Bot. U.S. & Mex. Bound. Surv. p. 105. 
NorrH Mexico, Sonora (Schott). Hb. Kew. 
3. Stephanomeria thurberi, A. Gr. in Proc. Am. Acad. vi. p. 552. 
New Mexico.—Norra Mexico, Sonora (Thurber). Hb. Kew. 
