REM AUK ABLE CASE OF VEGETABLE TRANSFORMATION. 31 



tolerably uniform opposite pairs. This, and an examination of 

 the woodcut, will show what C. spinosa is. 



The extraordinary transformation which resulted from sow- 

 ing- its seeds, and which I propose to call C. Bictonensis, 

 is here represented, for the sake of contrast. It is leafless, 



[Colletia Bictonensis.] 



spiny, and dull green like its parent ; but its branches, 

 instead of being long and taper, are produced in the form of 

 nearly equilateral triangles, with an indistinct rib along the 

 middle, and the base parallel with the branch on which they are 



