. The Canadian field-naturalist. Natural history. 2002 Staniforth, Cody, and Frego: Kaladar Cactls 549. Figure 2. A photograph of cactus cladodes "attached to Paul Maycock's big boot" (Dore 1967b) taken by G. Wassen in May 1967 at the Kaladar site. Later that same year, Beschel led the Canadian Botanical Association on one of its first field trips which included a visit to the cactus colony (Beschel 1967a*). In June 1967, Beschel published a descrip- tion of the site and the cacti in the Quarterly Bulletin of the Kingston Naturalists (Beschel 1967). At the same time and perhaps unwit
. The Canadian field-naturalist. Natural history. 2002 Staniforth, Cody, and Frego: Kaladar Cactls 549. Figure 2. A photograph of cactus cladodes "attached to Paul Maycock's big boot" (Dore 1967b) taken by G. Wassen in May 1967 at the Kaladar site. Later that same year, Beschel led the Canadian Botanical Association on one of its first field trips which included a visit to the cactus colony (Beschel 1967a*). In June 1967, Beschel published a descrip- tion of the site and the cacti in the Quarterly Bulletin of the Kingston Naturalists (Beschel 1967). At the same time and perhaps unwittingly, Dore drafted a longer article and sent it to Beschel for review and possible co-authorship (Dore 1967c*). In his cover- ing letter to Beschel, Dore recommended that an appropriate place for publication would be the Ontario Naturalist. This article was never published even though Beschel revisited the site in July 1967 to take more photographs and gather more descrip- tive information about the cacti and other plants at the site (Beschel 1967b*). Determination The identity of the Kaladar cactus appears to have been nearly as elusive as its discovery. This was like- ly attributable to its similarity to certain other species in the genus (such as O. polyacantha) and to the rari- ty of flowers in Kaladar plants. The MacClement specimen was originally determined as '"Opuntia^ in 1934 (MacClement 1934*). R. O. Earl of Queen's University sent the MacClement specimens to M. O. Make (Chief Botanist, National Museum) for identi- fication but the lack of flowers led to inconclusive results (Dore 1947*). During 1949, Dore wrote to cactus experts Elzada Clover (University of Michigan) and H. A. Shetrone (Ohio State Museum) to seek help with the identification process (Dore 1949a*, 1949c*; Meyer 1949*) but there is no docu- mentation of any reply. In the 1950s and early 1960s, most specimens (Dore and Senn 1947*; Moore 1965*; Dore 1966*) were being labelled as "Opuntia (?fr
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