Plants of New Zealand /
by R. M. Laing ... and E. W. Blackwell (Mrs. Thomas Maidment) With original photographs by E. W. and F. B. Blackwell , and others .
- 4th (centennial) ed., revised and enlarged revised and enlarged
- Auckland ; London [etc.] : Whitcombe and Tombs limited , 1940 .
- xvii p., 1 I., 499 p . : incl. front., illus. col. plates ; 22 cm .