778 Discomyceta^. Stictidacese, Phragmosporae, Cryptodiscus. 



♦ 



Sect. 2. Didyiiiosporie. J 



PLOETTNERA P. Henn. Verh. Bot. Ver. Prov. Brandenb. XLT, 

 1899, p. 94 (Et\-m. a cl. Doct. Ploettner, mycologo germanico). 

 Ascomata ern.mpenti-superficialia, ceraceo-membranacea, oblonga, 

 rotundata v. substellata, rima longitudinali deliiscentia. Asci erecti, 

 octospori, parapliysati. Sporidia ovoidea v. ellipsoidea, cserulea v. 

 apruginosa, 1-septata. — Propolidio affinis. " 



1. Ploettriera CEeruleo-viridis (Rehm) P. Henn. 1. c. cum fiQ., Crt/jjto- ^ 

 clisats cceruleo-viridis E,ehm in Brefeld, Mycol. Unters X, p. 280, 

 tab. X, fig. 19-20. — Ascomatibus erumpenti-superficialibus, cera- 

 ceo-membranaceis, oblongis, rotundatis v. substellatis, rima longi- 

 tudinali dehiscentibus, atro-olivaceis, minutis; ascis clavatis, ver- 

 tice obtusis, basi attenuatis, octosporis, 50-75 ^ 15-18 ; sporidiis 

 subdistiehis v. conglobatis, ovoideis v. eUipsoideis, interdum cur- 

 vulis, primo hjT^alinis, 2-guttulatis, dein caeruleis v. a?ruginosis, 1- 

 septatis, 18-20^6-8; paraphysibus basi furcatis, filiformibus, hya- 

 linis, apice cycinescentibus, ca. 3 fi. - crassis. 



Hah. in ramis Rubi fruticosi pr. Miiuster Germaniae et in 

 Helvetia, in ramis IJlubi suberecti prope Rathenow Marchia& 

 (Ploettner). — Sec. P. Hennings 1. c. : species Rehmiana valde 

 diversa est a Phacidio pusillo Lib., quod, speciminibus authenticis 

 inspectis, prsebet sporidia oblongo-fusoidea, utrinque acuta, hya- 

 lina,, continua, 9-12 ^ 3-4 et ascos clavato-fusiformes, 45-55 « 10-14 

 ])araphysesque hyalinas, ca. 2 /jt. crassas. Diagnosis completa 

 Phacidii pusilli etiam apud Oudemans, Hedw. 1891. pag. 248, iu- 

 venitur. Haiic ob rem necessitas oritur, speciem Eehmianam in 

 genus proprium erigere, quge notis microscopicis cum Propolidio 

 congruit, sed contextu et disco vaide recedit. 



Sect. 3. IMiraginospor«e. 



f 

 I 



CRYPTODISCUS Corda — Syll. VIII p. 669, XIV p. 809. 



1. Cryptodiscus aurantiaco-ruber Rehm, Hedw, 190O, p. 82, tab. IV, 2a 

 fig. 7. — Ascomatibus sparsis, epiphyllis, primitus macuhs irregu- 

 laribns pruinoso-albidis ca. 4 mm. iatis immersis, clausis, dein 

 apertis, disco orbiculari, aurantiaco-rubro, margine tenuissimo, con- 



