1958] 



ANATOMY OF GUAYAXA M UTISIEAE PART II 



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that of species of Gongylolepis. Bundle sheath extensions are more conspicuous, 

 however. Although the three layers of palisade are loosely arranged, they can 

 be differentiated from approximately seven spongy layers. Xo hypodermis is 

 present on the abaxial surface between the bundle sheath extensions. 



Similar features are seen in leaves of Duidaea (figs. 25-27) ; they are how- 



Figs. 21-21. Transections of leaves, adaxial face above. Fig. 21. Gongylolepis huachama- 

 cari subsp. neblinensis, Maguire, Wurdaclc 4' Bunting 37353 ; laticiferous cells shaded. Fig. 22. 

 G. mariiana, Schultes 5742. Fig. 23. Glossarion rhodanthum, Maguire, Wurdaclc 4' Bunting 

 37190. Fig. 24. Achnopogon virgatus, Steyermark 4- Wurdaclc 742. 



