Cycnoches veotricosuirij *, C. Egertonianum. Lindl. Bot. 

 Reg. 1843, Suppl. 77, with a loood cut. 



The concluding plate of Mr, Bateman's splendid work 

 on the OrchidacejE of Mexico and Guatimala, with its 

 accompanying pages, are devoted to a most remarkable 

 transformation of Cycnoches ventricosum into that kind of 

 Cycnoches which had been called C. Egertonianum ; and 

 a history of their transformation is there recorded. The 

 same subject is taken up by Professor Lindley, in the 

 November number of the Botanical Register, 1843, (Sup- 

 plement,) and a beautiful wood-cut is given of a portion of 

 a raceme, bearing the flowers of the two kinds, and inter- 

 mediate states. There can be no doubt, therefore, of the 

 propriety of considering them as varieties of one and the 

 same species ; a conclusion which could not be arrived at by 

 anything short of such ocular demonstration. In one re- 

 spect, Mr. Bateman's figure is still more remarkable, for the 

 same pseudo-bulb bears two racemes, one of them exhibiting 

 perfect flowers of C. ventricosum, and the other perfect C. 

 Egertonianum, as if from the effect of grafting. The 

 flowers of C. ventricosum (of which a figure is prepared for 

 this Magazine) are full four inches in diameter, with yellow- 

 green sepals and petals, and a large, white, undivided lip : 

 those of our variety will be best understood by an inspection 

 of the figure. 1 may observe that, in the stove of the 

 Royal Botanic Garden, where our figures were made, the 

 respective varieties have hitherto continued constant, 

 neither of them showing an approach to the other kind. 



Fig. 1. Front view of the Column and Lip. 2. Side view of ditto. 



