615 



culares. — Proximum est St iurgescenii Nyl., sed habitus alius, 

 gracilis, sporae tenuiores ,et granula superiora applanata in 

 ramillos foliaceo-confluentia. Apothecia caeterutn et granula 

 solitaria ut in comparata specie. — In lapidosissimis vulcanicis 

 Ged6 insulae Javae, alt. circ. 7500 pe&. (Prof. Comes Solms). 



807. Ricasolia marginaia Mull. Arg,, glaueescenti- pallida et 

 tota laciniato-divisa, rigide membranacea, supra laevis aut ob- 

 solete scrobiculato-inaequalis; laciniae dichotome ramosao et 

 sinuato-lobatae, 8—4 mm. latae, supra paullo concavae et nifci- 

 dulae, subtus tomenlo fascicular! brevi argillaceo-fuscescente 

 v. albescente medio late vestitae, margine autem zona multo 

 angustiore glabra et albesente sat distincta marginatae;'. lobi 

 apice retuso-emarginati; apothecia marginalia, 272—372 mm. 

 lata, sessilia, evoluta plana, fusco rufa, nuda^ tenuiter margi- 

 nata, margo minute crenulatus; sporae in ascis octonae, 40 — 52 jji 

 longae, 47 2 — 6 f* latae, fusiformes, 1- v. rarius 3-septatae, e 

 hyalino dernum fuscescentes. -- Affinis R. Comorensi Krplh,, a 

 qua indumento paginae inferioris et sporis differt. Supra Siic- 

 tam sinuosam gracilem refert. — Ramicola in Madagascaria cen- 

 trali: Hildebrandt. 



808. Parmelia glaucocarpa Miill, Arg., thallus albido-glaucus, 

 rigide mernbranaceus, laxe undulato-adnatus, supra laevigatus, 

 subtus fere undique albo-pallidus v. medio v. etiam fere usque 

 ad marginem nigricans, subnudus v. parce v. densius medio- 

 criter rhizinosus, in ipso margine nigro-ciLjatus; laciniae Ira eo- 

 dem specimine vulgo polymorphae, saepius latiusculae et cre- 

 nato-lobulatae, nunc angustius palmatim v. cornicalatim divisae; 

 apothecia evoluta 5—7 mm. lata, podicellata, primum profuncle 

 urceolata, dein planiuscula, dorso laevigata, margine integro et 

 nudo praedita; discus fuscus, subpersisfcenter glauco-pruinosus, 

 saepius (jam in juvenilibus) excentrice perforatus; epithecium 

 fuscescens; asci pbovoidei, 8-spori; sporae 23 — 28 p longae et 

 circ. 12— 14 ju latae, pachydermeae. — Proxirna P. Msparili Nyl. 

 Syn 4 p. 381, sed glaucocarpa (it ciliigera. — A P. urceolala 

 Eschw. recedit disco glauco, receptaculo laevi, thalli lobis poly- 

 morphs. — In insula madagascariensi Nossi-be: Hildebrandt, 



■ 



809. Parmelia proboscidea Tayl; in Mack* (P. perlata v. ciliata 

 Schaer.) v. sorediifera, margines loborum plus minusve adscen- 

 dentes et hinc inde sorediis grossis compactis saepe confluenti- 

 bus cinereis et demum obscuratis ornati. — Analoga est P. perlatae v. 



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