104 
Diagnosen zu 'Ihümen’s „Mycotheca universalis“, 
Von F. von Thümen. 
(Schluss,) 
Meliola Psilostomatis Thüm. — Myc. univ. no. 775. 
M. maculas radiantes, magnas, effusas, tenuissimas, atras, 
plus minusve orbiculatas in foliorum pagina inferiore, rara etiam 
superiore, formans; peritheciis subcarbonaceis, parvis, subglo- 
bosis; floceis repentibus, ramosis, interdum obscure septatis, 
fuscis, tenuibus; ascis late-clavatis, hyalinis, vertice epidermide 
incrassato, basi angustato, saepe subcurvatis, 45 mm. long., 24— 
26 mm. crass., 8 sporis; sporis trifarüis, anguste elliptieis, sep- 
tatis, medio constrictis, loculis aequalibus, utringue rotundatis. 
saepe uni-binucleatis, fuscis, 16—20 mm. long., 6—9 mm. crass., 
paraphysibus nullis, 
Promont. bonae spei: Somerset-East in Psilostomatis ciliatae 
Klotzsch (Plectroniae ciliatae D. Dietr.) folüs vivis, ad pedem 
montis „Boschberg“ in sylvis. Dec. 1876. (no. 1291.) 
leg. Prof. P, Mac Owan. 
Meliola quinguespora Thüm. in „Flora“ 1876 p. 568. — Myec. 
univ. no. 657, 
M. maculis sparsis, epiphyllis, orbiculatis, radiatis, medio 
elevatis, solubilibus, atris; floceis erectis, crassis, polychotomis, 
multiarticulatis, flexuosis, fuseis, 10 mm. crass.; peritheciis sub- 
globosis, carbonaceis; ascis ellipsoideis, utrinque rotundatis, raro 
curvatis, dilute fuscis, 35——38 mm. long., 10-12 mm. crass.; 
sporidiis 5, late ovato-ellipsoideis, utrinque obtusis, simplieibus, 
hyalinis, 10 mm. long., 5 mm. crass., subdiaphanis. 
Promont: bonae spec.: Somerset-East in dumetis montis 
„Boschberg“ ad folia languescentia Buddleyae auriculatae Bnth, 
Aut, 1876. leg. Prof. Mac Owan. 
Meliola microthecia 'Thüm. in „Flora“ 1876 p. 569, — Mye. 
umiv. no. 851. 
M. maculis parvulis, hypophyliis vel raro amphigenis, te- 
nuibus, orbiculatis; radiatibus, nigris, solubilibus sed adplicitis; 
floceis simplicibus, raro septatis, fuseis, 8 mm. crass.; peritheciis 
compressis, orbiculatis, carbonaceis; aseis late clavatis, basi 
angustatis, apice rotundatis, hyalinis, sexsporis, 40 mm. long., 
12—16 mm, crass. ; sporidiis ovatis, 8 mm. long., 4-6 mm, crass,, 
hyalinis, 
