18 THE ORCHID REVIEW. ° [JANUARY, 1906. 
same locality in Borneo, and are so exactly alike when not in bloom that 
they cannot be distinguished.” In 1889 Messrs. Veitch made it a variety 
of C. Hookerz (Man. Orch., iv., p. 32), and in 1895 it was described as a new 
species, under the name of Paphiopedilum amabile (Hallier fil. in Nat. 
Tidschr. Nederl. Ind., liv., p. 450), and afterwards figured from a photo- 
graph (Ann. Jard. Bot. Buitenz., xiv.,p.18, t. 4). Its characters are well 
shown in the annexed figure. 
P. APPLETONIANUM (fig. 2) appeared in a rather mysterious way. It 
was described in 1893, from a plant in the collection of W. M. Appleton, 
Esq., of Weston-super-mare, under the name of Cypripedium Appletonianum 
(Gower in Garden, 1893, i. p. 95), and was said to have been introduced 
with C. Hooker, from which it differed in the flowers, and in the absence 
of tessellation from the leaves. Then it was made a variety of C. 
Bullenianum, owing to the close resemblance to that species in its flowers 
(Rolfe in Orch. Rev., i. p. 135). Soon afterwards it was described under the 
name of C. Poyntzianum (O’Brien in Gard. Chron., 1894, i. p. 36), from 
a piant which appeared among imported C. callosum, and about the same 
time it came from Glasnevin as C. O’Brienianum, under which name Mr. 
Moore purchased it. A year later it received another name, being 
described as C. Wolterianum (Krinzl. in Gard. Chron. 1895, i., p. 166). It is 
now believed that all the plants known came from Siam, where it grows in 
abundance with C. callosum, and is frequently introduced with it. Its 
appearance can now be traced back to January 1889, when it flowered at 
Kew among some plants purchased as imported C. callosum. In fact the 
two are quite indistinguishable until flowers appear. They also hybridise 
in a wild state, and the hybrid thas also been raised artificially, as has 
already been pointed out (O.R., xi., p- 44), the history and a figure 
being given. : ; 
The differences between the two are well shown in the photograph, and 
are particularly obvious in the foliage, though other characters may be 
traced in the shape of the dorsal sepal and lip, with a few minor details. 
These differences are borne out by a comparison of numerous plants of 
both species. From the numerous points of resemblance between the two 
it may be assumed that they have a common origin, and this would 
make the resemblance to the species with which they grow all the more 
remarkable. In fact it looks like a case of mimicry or protective resem- 
blance, and in any case is a very interesting problem. It is an interesting 
coincidence that the nearest ally of P. callosum is the Bornean P. 
Lawrenceanum, which also has more strongly variegated leaves. 
It may be added that several plants have just flowered at Kew, and 
that the photograph reproduced was taken by Mr. E. C. Hart. 
R. A, ROLFE. 
