COMPOSITE. 79 
13. OPHRYOSPORUS. 
Ophryosporus, Meyen, Reise, i. p. 402; Benth. et Hook. Gen. Plant. ii. p 239. 
Seven shrubby species, extending from Mexico to Chili and Brazil. 
1. Ophryosporus ovatifolius, Benth. et Hook. Gen. Plant. ii. p. 239. 
Nothites ovatifolia, DC. Prodr. v. p. 187. 
Mexico (Henke, Seemann). Hb. Kew. 
14. GYMNOCORONIS. 
Gymnocoronis, DC. Prodr. v. p. 106; Benth. et Hook. Gen. Plant. ii. p. 239. 
Herbaceous plants. Besides the Mexican species there is one in South America, 
extending from Bolivia to Bonaria and Monte Video, 
1. Gymnocoronis latifolia, Hook. et Arn. Bot. Beech. Voy. p. 296. 
SoutH Mexico, Jalisco (Beechey). Hb. Kew. 
15. ADENOSTEMMA. 
Adenostemma, Forst. Char. Gen. p. 89, t. 45; Benth. et Hook. Gen. Plant. ii. p. 239. 
Glandular herbs. About thirty species have been described; but Bentham and 
Hooker think they might be reduced to five. One is very widely dispersed in warm 
countries; and the others are restricted to the warmer parts of America. 
1. Adenostemma hirtiflorum, Benth. Pl. Hartw. p. 75. 
GuateMALA, Rancho de Santa Rita, near Quezaltenango (Hartweg, 531). Hb. Kew. 
16. ALOMIA. 
Alomia, H. B. K. Nov. Gen. et Sp. iv. p. 151; Benth. et Hook. Gen. Plant. ii. p. 240. 
About eight species of herbs and undershrubs, one of which is a native of the 
Pacific Islands, two of Mexico, and the rest of Brazil. 
1. Alomia ageratoides, H. B. K. Nov. Gen. et Sp. iv. p. 152, t. 354. 
Phalacrea lindeni, Schz. Bip. ex Benth. et Hook. Gen. Plant. ii. p. 240. 
South Mexico, near Mescala, 1600 to 1700 feet (Humboldt & Bonpland), Matlahua 
(Liebmann, 84). Hb. Kew. 
9. Alomia alata, Hemsley, n. sp. 
Gracilis, glanduloso-pilosula, foliis tenuissimis cordatis longe petiolatis, petiolo anguste alato, 
involucri bracteis 3-seriatis apice aristulatis, corollis cylindricis, achentis basi callosis apice 
disco carnoso persistente instructis, pappo nullo. 
Herba erecta, gracilis, ramosa, ramulis teretibus foliisque glanduloso-pilosulis. Folia opposita vel 
superiora alterna, longe petiolata, tenuissima, cordata, 1—-4-pollicaria, acuta, grosse crenata ; 
petiolus anguste alatus. Capitula parva, corymboso-paniculata; involucri bractez 3-seriate, 
glabrescentes, lineares, apice aristulate, exteriores breviores; receptaculum nudum, leviter 
