Rkodymenia. PiiiormiEME.E, 375 



Sphwrosponu locis de/inilis [romlis ccolulw, zonal i in (lirisw. 



LX > STENOGIIAMMA. 



Sphterosporee in sporophyllis propriis <'rolnta>, zonalini <Iicis(e. 



LXI. I'LOCAMIUM. 



2. Cocci diis spharosporisque in phylfis propriis etwlufis. 



LXII. WollMSKIOLDIA. 



LVII. RllOimiEINIA Grei\ Ahj. Brit. p. 84 (reform). J. Ag. 

 Aly. Liebm. p. 15. Spliacrococci, Halymeime, Dclcsseriae et Rlio- 

 domcnitt 1 sp. Auctor. 



Frons plana membranacea, dichotoma vol palmata, a marginc vol disco 

 swpe prolifcra, slratis duobus contcxta: cellulis inlerioribus 

 oblonfjis, superficialibus minulis verlicaliter siibradiatis. Cy- 

 stocarpia per frondom sparsa bcmisplut'rica, pericarpio cellu- 

 loso dciuum carpostoniio aporto numita, (ila gommidiifera 

 pluriraa in nucleuin simplicera, golatina ambiente cohibituin 

 conjiincta, a placonta basali emittenlia. Spharosporce in soros 

 collcctoc, inter cellulas supoiliciales evolnta 1 , rotundalfe, crucia- 

 tim divisie. 



Frondes planoe, subcarnoso-merabranaceoo, rosco-coccinea 1 , in 

 lilaiu piirpureurave rarius tendentes, rainiflcntionc pleruiiKjuo diolio- 

 toma decomposite, flabellatiin expanse, mine subpalmatto, rarius 

 subintegive ant parce lobat;o; a disco ct margino srepe prolil'erae, 

 stipitatcc aut caiilescentcs. Stratis duobus contexts sunt. Colhiho 

 intcriorcs magiuu at inaequales, rotundato-ajigulataa^ cum vicinis con- 

 tiuuae; exteriores minutco rotundata-, cndochromate colorato I'arcta?. 



Cystocafpia aut marginalia, aut in disco frondis, ])lcrumque in 

 . segraentis terminalibus subterminalibusve, cvoluta, hcinispliajrica vol 

 fere urccolata; poricarpium crassiim celliilosuin , cellulis extimis 

 verticalibus 1 radiantibus, interioribtis conccntricis formatum, inilio 

 clausum , donuiin poro terminali apcrlum. Nucleus densissimus 

 of. tenaciter cohaerens, gelatina aut membrana coliibcnto indusus, 

 quasi lobis pluribus formatus, placenla- iinpositus; intra gelalinam 

 nuclei placenluhe speciales, ad singulos lobos tendenlcs, adsunt, ex 

 (juibus gcmniidia minula angulata radiaro Nidonlur. 



Sphaerosporae in nonnullis speciobus soros per lotain supoifi- 

 ciem sparsos plus minus conllucntes, in aliis infra apices scgiucn- 



