142 



Cycadeae^ Truncus arborens plerDmrjue siropiicissi- 

 mas*J, vegelatioue (erminali mcrescens ^ iucremeiilo peri- 

 pherico continiio crassitie aoctiis* Cj/Under ligneus plus 

 vimQs clausus e vasis porosis aut poroso -rellcoJatis coii- 

 Bl&asy radlis medullaribus perfossuSj simplex anl in plura 

 strata coDcoulrica irregnlaria Iiic illic inter se cooiloeBtia^ 

 tcxtus parenchymatost straits separata divisus. Medulla 

 ampla aliqnaBdo Tasia perenrsa. ijortear parenckymatosus 

 40mKnn fuaenuiiB Hgneis e cjlinAr^ lig^eo ad folia adtfcen- 

 4«Btjbiis ^arie ^ertextits. Periderma « eieatriciliua Coiioruiu 

 ^nw HOB peritlaraia. 



fl. Cylinder hgneus demiim e stratis concenirJcis compost- 



tus. Medulla simplex. Viisa porosa**} Ct/cas, 

 6. Cj lander ligneas simpjear^ 



a. 'Cyitnder ligneus clauses Medulla rasis percursa. 

 Vasa porosa, rarius poroso-reticolats (?), Encepha- 

 I art OS, 



fi. Cylinder llguen^ latis radiis medullaribus sectns, 

 ]parum efformatna, lajcus^ textu parenchymafoso looge 

 majorem tranci partem constitiiente. Medulla nuUh 

 vasis percursa^ Vasa variac conformaliuDiH, rctita- 

 lato^annulata, reticnlala in toto ambiin fibris vel an- 

 dqIis instrnpta, rar ns porasa* Zamia. 



Observ. Macrozamiae anatome fcacuaqne incognila. 



^} In qtjib^isdiun st»ecicbus ( ycudin dciBum aitice in pauco» rain<*^ 



^^) Port plenwiiqiic In laterihuB vas^i^ radios jnedQllares Rpectau" 

 Wn\H efforinati, reliiLUJ^ i'aciebiis utiiformibus? 



