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SEPTEMBER, 1903.] THE ORCHID REVIEW. 26 
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ODONTOGLOSSUM CRISPUM DIMORPHIC. 
AT page 252 of our last volume we noted a remarkable case of diversity 
between two flowers on the same scape of Odontoglossum crispum, in the 
collection of R. G. Thwaites, Esq., of Streatham, and we have now 
pleasure in giving an illustration of the same, from a photograph taken by 
Mr. Thwaites at the time. The lower flower, it will be noticed, has the 
sepals almost unspotted, but in the upper each sepal bears a very distinct 
cluster of spots, more or less confluent in the centre. The petals are less 
Fic. 43. ODONTOGLOSSUM CRISPUM DIMORPHIC. 
\. diverse, but in the upper flower they are rounder and further apart. This 
photograph is considerably reduced, and the differences are still more 
striking in those taken natural size, which Mr. Thwaites previously sent. 
When the first flower expanded the good shape and broad segments attracted 
attention, and a photograph was taken natural size, and when the second 
opened the difference between them was so striking that a similar photo- 
graph was taken of that also, likewise a reduced one as here shown. The 
