1056 ryrenomycetese, Microthyriacese, HyalodiJymae, Microthyrium. 



qae pedicellatis, 65-26, aparaphVvsatis, 8-sporis ; sporidiis inordi- 

 uatis, clavulatis, 25 - 12, medio 1-septato-coustrictis, loculo supero 

 subgloboso, infero coiioideo, utrinque obtusiusculis, hyalinis, 



Uab. ad folia viva Myrtace;» cujusdam in silva subvirginea, 

 Caa-guazu vocata, Brasilia?. 



3. Microthyrium longisporum Pat. Bull. Soc. Myc. 1888, pag. 118, 4i9i 

 t. XX, f. 2. — Peritheciis epiphyllis, nigris, minutis, 600-800 y.. 

 diam., sparsis, orbicularibus, dimidiatis, teuuibus, astomis, centro 

 demum irregulariter laceratis, areola a)ba, tenui ciuctis, contextu 

 fragili, subradiante, brunneo, minute parenchinyatico; ascis nurae- 

 rosis, sessilibus, ovoideis, membrana crassa, 6-8-sporis, 90^52, 

 aparaphysatis; sporidiis cylindraceis, utrinque rotundatis, rectis v. 

 subcurvis, 1-septatis, ad septum leniter constrictis, 56-60 :;; 13-14, 

 hyalinis. 



llab. in foliis coriaceis vivis, San Fernando de Atabapo Ve- 

 nezuelae. 



4. Microthyrium antareticum Speg. F. Fueg. n. 280. — Peritheciis 4192 

 atris, hypophyllis, sparsis, superficiaiibus, orbiculari-scutatis, 100- 

 110 jj.. diain., raembranaceis, subcoriacelii.s, contextu dense prosen- 

 chyraatico-radiantft, circa ostiolum (15 [i.. diam.) subcarbonaceis, 

 raargiue firabriatulis; ascis cylindraceis y. cylindraceo-obclavatis, 

 autice obtusis, rotundatis, crassiuscule tunicatis, minute 1-foveola- 



tis, postice rotundato- cuneatis, in pedicellura brevissimum ac rai- 

 nutura productis, 22-27^3,5-4,5, octosporis, aparaphysatis ; spori- 

 diis recte distichis, obovato-elongatis, utrinque obtusiuscule rotun- 

 datis, 6,5-7^1,5-2, rectis v. vix subinaequilateralibus, 1-septatis, 

 leniter coustrictis, loculis raiuute 2-guttulatis, supero crassioro bre- 

 vioreque, hyalinis. 



Hab. ad folia dejecta Berberidis ilicifoliae et Callixe- 

 nis marginatse in Staten island Fuegiae Amer. austr. 



5. Microthyrium MeJastomacearum Speg. F. Puigg. n. 335. — Peri- 419.3 

 theciis hypophyllis, dense constipatis, plagulas orbiculares, 3-10 

 mm, diam., atras, grauulosas, efficientibu^, scutato-dimidiatis, 150- 

 250 [x. diam., ostioiatis, membranaceis ; ascis cylindraceo-clavula- 



tis, 60-80 s 10, aparaphysatis; sporidiis clavulatis, didymis, hyalinis, 

 15-16 ^ 4-5, 



Ilab. ad folia viva Melastomacea^ cujusdam in dumetis pr. 

 .•\piahy Brasilia;, — Subiculuin v. hypothallum plane deficiens. 



6. Microthyrium virescens Speg. F. Puigg. n. 336. — Maculis are- 4194 

 scenli-pallesceutibus, orbicularibus, mediocribus, 5-10 mm. diam.^ 



