Lovedale, South Africa: Lovedale Mission Press, 1885.
The first edition was a pamphlet of 23 pp. Smith issued a much-expanded second edition with 163 pp., also at Lovedale in 1888, and a further expanded third edition with 262 pp. (Cape Town, 1895). Digital facsimile of the 1888 edition from the Hathi Trust at this link, of the 1895 edition from the Internet Archive at this link.
Subjects: BOTANY › Ethnobotany, COUNTRIES, CONTINENTS AND REGIONS › South Africa, PHARMACOLOGY › PHARMACEUTICALS › Materia medica / Herbals / Herbal Medicines