F. Jlltlll-l-, 



Taf. I. 



6 



Unveranderlicher Pressendruel; M-II ./. /?. Oln >'n< It/ r, 



\-"\g. 1 -3. Lithotliainnion crassura Phil. 



4, 5. I.ithotlianmion polymorplmm (L.) Areseh. 



(i. Peyssoiinclia polymorplia (Zanard.) Sehniitz. 



7. Lithophyllura docus-atiuii Sulms. 



