358 Verzeichnisse neuer Arten der Phanerogamen und Kryptogamen. 



sed soros gregarios formans, in macula subarida, flavescentia, amphigena, irregularia, 

 magna non cincta plus minus concentrice dispositis; sporls cylindraceis, rectis simplicibus, 

 utrinque truncatis, hyalinis, 4.5— 7mm long., 1.5mm crass., numerosis. — Ad Äceris 

 campestris folia. — Oesterreich. — Rliytismatis punctatis Pers. fungus spermog. 



901. Menispora glauco-nigra Cooke et Ellis (19, S. 39). Effusa, atro-brunnea, subvelutina, 

 Hyphis erectis, tenuibus, septatis, fuscis, supra hyalinis; sporis acrogenis, fasciculatis, 

 cylindricis, curvulis, utrinque rotundatis, hyalinis (0.02 : 0.004 mm). — Auf abgestorbener 

 Magnolia. — New Jersey. 



Milesia White n. gen. (18, S. 27). Peridium incarceratum reticulatum, basi inter cellulas 

 matricis radicans; sporae obovatae echinulatae per ostiolum minutum demum emissae. 



902. M. Polygoni White (3, Tf. III, f. 3). Auf Polygonum viviparum. — England. 



903. 3IortMera Thümenii Cooke (2, S. 181). M. pcritheciis numerosis, epiphyllis vel inter- 

 dum etiam amphigenis, applanatis, orbiculatis rugulosis, saepe confluentibus, atris in 

 macula parva, fusca ; sporis illis Blorthierae Mespili Fuck. similibus sed loculis superio- 

 ribus 14mm long., 9mm crass., loculis inferioribus 8 mm long., ciliis omnibus aequi- 

 longis, 9— 12mm long., hyalinis. — Ad folia viva Grataegi glandulosae et Crataegi 

 flavi aut. — S. Carolina. 



OOi. Mystrosporium consors Thüm. (12, No. 1172). M. acervuli* amphigenis, laxis, late 

 effusis, gregariis, obliteratis, pulveraceis, atris; hyphis multiramosis , suberectis, sub- 

 tortuosis, crassis, septatis, fuscis; sporis plus minusve ellipsoideis , multiseptatis , longi- 

 tudinaliter transversaliterque septatis, ad sept. constrictis, utrinque acutato-angustatis, 

 brevi-pedicellatis, griseis, subdiaphanis, 30 — 38 mm long., 16 — 18 mm crass.; sporis 

 junioribus ovalibus, uni-triseptatis, pallidioribus. — Ad folia Gynerii argentei. — 

 Carolina austr. 



905. M, orbieulare Cooke et Ellis (19, S. 40). Hypophyllum, orbiculare, atrum. Sporis 

 clavatis, 5 — 7-septatis, hinc illic divisis, fuligineis (0.04 : 0.02 mm), in stipitibus septatis, 

 longe productis. — Auf Blättern von Hex. — New Jersey. 



906. 3Iyxormia convexula Cooke et Ellis (19, S. 6). Erumpens, atro-brunnea. Pustulis 

 orbicularibus , convexis, intus olivaceis, sporis concatenatis, minimis, ellipticis, hyalinis, 

 0.007 : 0.004 mm. — An Zweigen von Bobinia. — New Jersey. 



907. Myxosporium ? aberrans Saccardo (28, S. 128). Nucleis gregariis, subcutaneis dein 

 erurapentibus, varie sinuosis sordide roseis ; spermatiis e Strato prolifero ochraceo fasci- 

 culatim oriundis, stipitatis, ovato fusoideis, rectis curvulisve 1- septatis, saepius con- 

 strictis, 15—16:3—4, e hyalino dilutissime roseis, basidiis cylindraceo-conoideis paulo 

 longioribus. — In cortice fÄesculi?J. — Berlin. 



908. Oidium Abehnoschi Thüm. (19, S. 102). 0. caespitulis late eifusis, epiphyllis, arachnoi- 

 deis, tenuibus, gregariis, grumulosis, albicautibus, subdetergibilibus ; hyphis brevissimis e 

 mycelio septante erectis, solitariis; simplicibus, non septatis, tenuibus, hyalinis; sporis 

 magnis, ovoideis, episporio tenuissirao, laevi, granulosulis, utrinque rotundatis, raro sub- 

 acutatis, 24— 28mm long, 14— 18 mm crass. hyalinis. — In Abehnoschi moschati fol. 

 vivis. — Aegypten. 



909. 0. Driimmondii Thüm. (12, No. 1177). 0. caespitibus amphigenis, pulveraceis, late 

 effusis, laxis, e pallide roseo griseo-albidis, indeterminatis , tenuibus, subdetergibilibus, 

 hyphis erectis, brevibus, rectis, ramosis, crassis, non (an semper?) septatis, hyalinis, 

 diaphanis, apice obtuso; sporis longe ellipticis vel fere late elliptico-cylindraceis, utrinque 

 rotundatis, obtusis, hyalinis, pellucidis, 20— 24 mm long., 14— 16 mm crass. — Ad fol. 

 Fhlogis Drummondii Hook. — Carolina austr. 



910. 0. Ladaniferi Thuemen (33). 0. caespitibus epiphyllis, late effusis, arachnoideis, laxis, 

 tenuissimis, albidis, plus minusve confluentibus; hyphis brevibus, erectis, rectis, sub- 

 crassis, apice sursum dilatatis, simplicibus, non septatis, achrois ; sporis late cylindricis, 

 vel irregulariter parallelogrammis, utrinque obtuso -subrotundatis inaequilateralibus, 

 hyalinis, 30 mm long., 13 mm crass. — Ad folia viva Cisti Ladaniferi L. — Portugal. 



911.0. Lippiae Thuem. (19, S. 103). 0. utraque paginas foliorum obducens indumento 

 denso grisco-albicante; hyphis brevissimis, simplicibus, raro ramosis, non septatis, 



