ERICACEZ. 277 
North-west coast of America from WasHINGTON, southward to CALIFORNIA, and through 
Arizona to Western Trxas.—MExIco. . 
7. Arbutus mollis, H. B. K. Nov. Gen. et Sp. iii. p. 280; Bot. Mag. t. 4595. 
South Mexico, Guanajuato, at about 6500 feet (Humboldt & Bonpland), cultivated 
specimens. Hb. Kew. 
8. Arbutus ovata, Mart. et Gal. in Bull. Acad. Brux. ix. (reprint, p. 8); Walp. 
Rep. ii. p. 725. 
Soutn Mexico, eastern Cordillera of Oaxaca, at 6500 to 7500 feet (Galeotti, 1839). 
9. Arbutus paniculata, Mart. et Gal. in Bull. Acad. Brux. ix. (reprint, p. 10); 
Walp. Rep. ii. p. 725. 
South Mexico, mountains of Yavezia, north-east of Oaxaca, at 7000 to 7500 feet 
(Galeotti, 1825 bis). 
10. Arbutus petiolaris, H. B. K. Nov. Gen. et Sp. iii. p. 281. 
South Mexico, between Cuernavaca and Guichilaca, at 6000 feet (Humboldt & 
Bonpland). 
11. Arbutus prunifolia, Klotzsch in Linnea, xxiv. p. 73. 
Soutn Mexico, Real del Monte (Ehrenberg). 
12. Arbutus spinulosa, Mart. et Gal. in Bull. Acad. Brux. ix. (reprint, p. 7); 
Walp. Rep. il. p. 725. " 
Sour Mexico, peak of Tancitaro, Michoacan, at 7000 to 8000 feet (Galeotti, 1836). 
13. Arbutus varians, Benth. Pl. Hartw. p. 77. 
Norra Mexico, Sierra Madre (Seemann, 2119); Sourn Mexico, Orizaba (Botteri, 
938); GuateMaLa, Quezaltenango (Hartweg, 542). Hb. Kew. 
Probably only a variety of the next. 
14. Arbutus xalapensis, H. B. K. Nov. Gen. et Sp. iii. p. 279. 
NortH Mexico, Sierra Madre (See¢mann, 2120), region of San Luis Potosi, 6000 to 
8000 feet (Parry & Palmer, 562); Soura Muxico, Jalapa, at about 4200 feet (Humboldt 
& Bonpland). Hb. Kew. 
Var.? pubescens, Benth. Pl. Hartw. p. 66. 
Sourn Mexico, mountains of Carmen (Hartweg, 485). Hb. Kew. 
2. ARCTOSTAPHYLOS. 
Arctostaphylos, Adans. Fam. ii. p. 165; Benth. et Hook. Gen. Plant. u. p. 581. 
About fifteen species of shrubs and trees, whereof two inhabit the frigid regions of 
the northern hemisphere, and the rest Mexico and the adjoining countries. 
