298 



BOTANICAL GAZETTE 



[\PRII. 



3. Outer mesocarp. — Several rows of small rounded cells with 

 intercellular spaces make up this tissue- In the vicinity of th- 

 prickles and hairs they are sclerenchymatized and tangentially don 

 gated. 



4. The middle mesocarp consists of several layers of large-cell 

 loosely arranged parenchyma with intercellular spaces. 



5. Inner mesocarp. — The cells of this coat, although somewhat 

 smaller than those of the middle mesocarp, form several layers of 

 similar tissue. 



27 



28 



3 *■*.» 



Fig. 27. Sicyos angulatusL. Apex of spine. X 160. 

 L. Apex of long jointed hair. X 160.— Fig. 20. 



Fig. 28. Sky* angular 

 Sicyos angular L ^ Kpi^P •" 

 surface view; t<, base of glandular hair; t*, short pointed conical hair; t\ una 

 conical hair. X 160. 



The bundles and latex tubes, few in number, are scattered throug 



mesocarp 



docarp 



As in 



Pep 



of 



longitudi- 



(fiS- 3°)- — I. Epidermis (ep) 



thic 



rt 



rod;- 



in the cross-section to be walls thickened at the angles arc ^ ^ 



one on each wall, from the inner to the outer wall which the) * 



