Vols. for 1845-1904 called v. 1-60 3rd ser. (called also v. 71- 130); v. for 1905-20 called v. 1-16 4th ser. (called also v. 131-146); v. for 1922- called v. 148- (<v. 173 (1960-62)-> called new ser.).
Suspended 1921-Sept. 1922.
Issues for <Jan., Feb., Mar. 1920>-Oct., Nov., Dec. 1920 called also no. 190, 191, 192 4th ser.; or no. 1604, 1605, 1606 of the entire work.
Vol. 147 published in 1938, v. 148 in 1922.
Vol. 163 published irregularly 1940-1942.
Also available online.
Available also via the World Wide Web; access available via SIL PURL.
Issued by: Royal Horticultural Society, 1922- ; Bentham-Moxon Trust, Royal Botanic Gardens, <1982->
Vols. for <1973-> supported by the Stanley Smith Horticultural Trust.
Absorbed by: Kew magazine, Apr. 1984.
Bot. set: Vols. 137 (1911), v. 139 (1912)-v. 155 (1929) have uncolored illustrations.