234 
Christine E. Burgess. 
The lowest node on the abnormal specimen bore a pair of 
opposite leaves with an interpetiolar ridge on one side of the stem. 
This opposite arrangement was not retained at the second node, 
where two leaves, joined by a commissure, were closer together on 
one side of the stem than on the other. The following three leaves 
arose almost at one level and were united by a ridge. Above this 
region the leaves occurred singly at each node, placed on one side 
of the stem only. They were connected by a vertical ridge and 
inserted vertically or obliquely instead of in a horizontal plane. 
The buds showed a tendency to lateral and downward displacement, 
being on the left side of their respective leaves. Distinct spiral 
striations traversed the stem in a clockwise direction toward the 
apex (Fig. II). 
The arrangement of the vascular tissue in the normal stem 
was of a usual type. A complete cylinder of secondary vascular 
tissue surrounded the pith. Immediately below the point of 
