THE ORCHID REVIEW. 113 
A GROUP OF DENDROBIUMS. 
THE Dendrobiums here illustrated form a very interesting group, and 
represent some of the variations to which the beautiful D. nobile is subject, 
together with a garden hybrid raised between it and D. primulinum, and a 
supposed natural hybrid of the same origin. The second parent is not 
represented, for the simple reason that we were unable to obtain a fresh 
flower of it when the photograph was made. ‘The figures are about half 
natural size. 
Fig.9. DENDROBIUM X ROLFE. Fig. 10. D. X ROLFE# VAR. ROSEUM (see p. 114). 
Fig. 11. D. NOBILE (see p. 114). Fig. 12. D. N. ALBIFLORUM (see p. 115). 
Fig. 13. D. N. NOBILIUS (see p. 115). Fig. 14. D. N, SANDERIANUM (see p. 115). 
D. N. COOKSONIANUM (see p- 115 
DENDROBIUM X ROLFE# (Fig. g) was raised by Messrs. F. Sander and 
Co., of St. Albans, from D. primulinum ¢ and D. nobile Z, and was described 
two years ago (Gard. Chren., 1892, i. p. 522), on the occasion of its flowering 
for the firsttime. It was described as being much like the pollen parent, both 
in habit and in the general shape of the flower; the sepals delicate blush, a 
little darker at the tips, but white at the base; the petals white with rosy 
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