60 ADDISONIA 
with pseudobulbs, while some are devoid of these organs, being 
furnished instead with large fleshy leaves which serve, as do the 
pseudobulbs in the other plants, as storage organs. All have a 
lateral inflorescence, that is one arising from the base of the pseudo- 
ulb or leaf; this flower-cluster may be short, with but a few 
flowers, or it may be ample and with numerous blossoms, when 
these plants are often referred to as butterfly orchids, from the 
resemblance of the numerous yellow blossoms to a flock of those 
insects. 
GrorcE V. Nasu. 
EXPLANATION OF PLATE. Fig. 1.—Plant. Fig. 2.—Column and crest of lip, 
frontal view, X 2. Fig. 3.—Same, lateral view, X 2. 
