CLASS I. 
INDIVIDUAL ABSOLUTE TERMS, 
467 
various directions by narrow cavities filled with dry cellular 
matter ; as the albumen of the nutmeg and the Anona. 
43. f Cancellate cancellatus) \ when the parenchyma is wholly 
absent, and the veins alone remain, anastomosing and form- 
ing a kind of network ; as the leaves of Hydrogeton fenes- 
tralis. 
44. Perforated {pertusus ) ; when irregular spaces are left open in 
the surface of any thing, so that it is pierced with holes ; as 
the leaves of Dracontium pertusum. 
3. Of Surface. 
A. With respect to Marking or Evenness. 
1. Rugose (rugosus) ; covered with reticulated lines, the spaces 
between which are convex ; as the leaves of Sage. 
2. Netted {reliculatus) ; covered with reticulated lines which 
project a little ; as the under surface of the leaves of most 
Melastomas, the seeds of Geranium rotundifolium. 
3. f Half-netted (j- semireticulatus) ; when, of several layers of 
any thing, the outer one only is reticulated ; as in the roots of 
Gladiolus communis. 
4. Pitted {scrohiculatus^ ; having numerous small shallow de- 
pressions or excavations ; as the seed of Datisca cannabina, 
Passiflora, &c. 
5. Lacunose (lacunosus^ ; having numerous large deep depres- 
sions or excavations. 
6. Honeycombed ( favosus, alveolatus) ; excavated in the man- 
ner of a section of honeycomb ; as the receptacle of many 
Compositae, the seeds of Papaver. 
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