1922] BAILEY—ANT-PLANTS 301 
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- 
oo 
EXPLANATION OF PLATE XV 
Fic te, Ae angulata: cross-section of upper portion of internode, 
showing prostoma”’; X10. 
Fic. 2.—C. sciadophylla var. decurrens: cross-section of internode, showing 
ti rwkoena? 
Fic. 3.—C. angulata: capte-eecen of sa portion of internode, showing 
formation of secondary wood in “prostoma’”’; X1 
Fic. 4.—C. angulata: CrOME eNO of juvenile pint, showing occlusion of 
entrance aperture by callus or “stomatome”’; X11 
Fic. 5.—C. sciadophylla var. decurrens: ccubeacticn of nodal diaphragm, 
showing ne layers of three distinct types of tissues; X18. 
Fic. 6.—C. angulata: Portion of trichilium, showing food bodies and 
pieces mat of hairs; X43. 
Fic. 7.—C. angulata: cross-section of nodal diaphragm, showing layers of 
thin daca parenchyma; XII 
- 8.—C. angulata: Crh Weedon of nodal diaphragm, showing early 
sage in spectrin of a pitlike excavation; X18. 
G. 9.—C. angulata: cross-section of nodal diaphragm; soft external 
lg of medullary tissue removed on both sides, and circular perforation cut 
through horny layer on under side; X15. 
