430 Transactions. — Botany. 



The joints of the spike, or peduncle, show in some instances a 

 gradual transition from the normal articulations of the stem to 

 a simple terete or slightly-flattened condition. The basal 

 joints are often distinctly clavate, and as large as the ordinary 

 joints; the upper joints gi'adually lose the clavate form, and 

 diminish in size towards the apex. Not infrequently some of 

 these joints closely resemble the stem-joints of V. salicor- 

 nioides, A. Cunn., belonging to the section Aspiduxia. 



EXPLANATION OF PLATE XXXVII. 



Fig. 1. Viscuvi davatum, natural size. 

 Fig. 2. „ „ spike, magnified. 



Fig. 3. „ „ young fruit, magnified. 



