PLATE 22. 
AGAVE NEVIDIS (p. 24). 
Figure 1. Four leaf-tips—one seen from the back for the deep dorsal prolongation of the 
hard tissue, showing the gradually tapered spine and its conical slit heavy base with involute 
margin below; and a representative bit of leaf-margin showing the small triangular prickles 
with small lenticular bases. From herbartum material (Maloney). Natural size. 
AGAVE SCHEUERMANIANA (p. 25). 
Figure 2. Four leaf-tips showing the usually slender awl-shaped spine with rather small slit 
involute conical base; and several leaf-margins showing the small straight or recurved prickles 
from lenticular bases. From herbarium material (Qwen). Natural size. 
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