THE ORCHID REVIEW. 115 
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D. N. ALBIFLORUM (Fig. 12) is pure white with the exception of the deep 
maroon disc, and is invariably smaller than most other forms, even when 
grown under the same conditions. It has long been known, though we have 
failed to trace its exact origin. A much larger white form, which appeared 
last year with Messrs. F. Sander and Co., of St. Albans, is known as D. n. 
Amesiz. 
D. N. NoBILIUS (Fig. 13) is the largest and most richly coloured form 
which has yet appeared. It was originally purchased by Mr. James, of the 
Castle Nursery, Lower Norwood, at one of Stevens’ sales, nearly twenty 
years ago, and was afterwards acquired by Messrs. Rollisson, who exhibited 
it at the Ghent Quinquennial Exhibition, in 1878, though it suffered so 
severely by frost during transmission that it was nearly lost. All the plants 
in cultivation have been propagated from the original one. The flowers are 
four inches in diameter across the petals, which latter are an inch broad. 
The segments are more spreading than shown in the figure, but the flower 
had lost a little of its rigidity when photographed, as in the case of Fig. ro. 
D. NOBILE SANDERIANUM (Fig. 14) is smaller and not quite so dark in 
colour as the preceding, but is a very handsome form. It appeared with 
Messrs. F. Sander and Co., of St. Albans, a few years ago. 
D. NOBILE CooKsoNIANUM (Fig. 15) is a curious sport, which was first 
observed in the collection of Mr. Theodore Lange, Heathfield House, Gates- 
head, but afterwards passed into the collection of N. C. Cookson, Esgq., 
Oakwood, Wylam-on-Tyne. The petals bear a deep maroon blotch at the 
base, and thus show a tendency to become metamorphosed into lips. 
Curiously enough, the sport has since independently appeared in two other 
collections. 
Several other varieties of this beautiful and popular Dendrobium have 
received distinctive names, among which D. n. Ballianum is one of the 
most distinct. Some flowers received were, unfortunately, not fresh enough 
to be included in the group. The maroon blotch is replaced by a soft pink 
area of the same size; round this is a pale sulphur-white area, while the 
tip is flushed with blush pink. The sepals and petals are tipped with the 
same colour, but blush white below. It is a very charming form. 
ODONTOGLOSSUM x DELTOGLOSSUM STEVENSII. 
This is a very striking variety of Odontoglossum x deltoglossum from 
the collection of W. Thompson, Esq., Walton, Stone, Staffordshire (gr. Mr. 
W. Stevens). The panicle bears three basal branches, and altogether 
carries over thirty flowers. The ground colour is light yellow, and the 
sepals each bear several large red-brown spots, in a few cases aggregated 
into two broad bands, while the petals are nearly unmarked. A few bear 
