709. Ricasolia Sch^ireri, Nyl. 710. Parmelia molliuscula, Ach. 



(a) Apothecium, side view, (b) do. viewed from above, (a) and (b) enl. 

 711. P. PERFORATA, Ach. J12. PHYSCIA CHRYSOPTHALMA, DC. 



713. P. picta, Nyl. 714. Pyxine Meissneri, Tuck. 



715. Paxxaria flexuosa, C. Knight. 716. P. paxxosa, Delile. 



(a) Thallus, (b) apothecia, (c) black hypothalline border. 



717. Lecaxora puxicea, Ach. 718. L. parella, Ach. 



719. L. parella, var. ph/eoleuca, Nyl. 720. PeRTUSARIA porixella, NyL 



(a) Apothecia. 



721. P. petrophyes, C. Knight. 



(a) Port, plant enl. 

 2 W 



