Sphaeriacea^, Hyalosporse, Lsestadia. 421 



Hab. in pag. infer. folioriim Rosae caninse prope Arnstadt 

 Germanise (Fleischhack). 



4. Laestadia Cerris Pass. Micr. ital. n. 2, in Rev. myc. II, p. 33. — i595 

 Maculis discoideis in foliis vivis expallentibus; peritheciis immersis 

 globosis, atris, luce transversa prsesertim perspiciendis, cellulis am- 

 plis irregulariter hexagonis vel trapezoideis contextis; ascis cla- 

 vatis basi attenuato-stipitatis, numerosis, csespitosis, 42 ^ 7, 8-spo- 

 ris; sporidiis ovalibus, integris, endoplasmate granuloso opaco, 10 

 s5; paraphysibus non visis. 



Hab. in foliis vivis Quercus Cerris, per hyemem tantum 

 humi maturans, Collechio Parmse, in Italia boreali. 



5. Laestadia Cooiceana (Auersw.) Sacc. Fungi Ven. Ser. V, p. 175, 1595 

 Fungi ital. t. 544, Sphcet^ella punctiformis Cooke Handb. u. 2750, 

 uec Pers. Sph. Cookeana Auersw. in Myc. Eur. Pyr. 2, t. 1. f. 6. 



— Sparsa; peritheciis innatis, punctiformibus, globoso-lenticulari- 

 bus, dein umbilicatis; ascis clavulatis 40-45 ^; 9-10, aparaphysatis, 

 octosporis ; sporidiis ovoideo-oblongis, 6-9 ^ 3-4, continuis, granu- 

 losis, chlorino-hyalinis. 



Hab. in foliis dejectis quercinis in Britannia, Germania, 

 Gallia et Italia. 



6. Laestadia radiata (Wallr.) Sacc. Sphceria radiata Wallr. Crypt. 1597 

 n. 3729, Mout. PI. Cellul. VIII, p. 66. — Peritheciis hypophyllis 

 minutissimis sparsis, nigris, hemisphaericis, summam epidermidis pel- 

 liculam tenuissimam hyalinam veluti in fibrillulas radiantes divul- 

 sam elevantibus ; ascis exiguis clavato-lauceolatis, obtusis, octospo- 



ris ; sporidiis fusiformi-oblongis, conformibus, continuis, hyalinis. 



Hab. ad folia Sorbi torminalis in Germania. — Lcestadia 

 Cookeance peraflSnis videtur. 



7. Laestadia Niesslii Kunze Fungi sel. exsic. n. 241, Rehm. Ascom. io98 

 n. 593, Hedw. 1881, p. 53. — Peritheciis s£epius epiphylUs, hinc 

 inde dense gregariis, initio epidermide velatis, globoso-depressis, 

 150 [X. diam., ostiolo obsoleto, denique subumbilicatis, nigris ; ascis 

 clavatis, crasse tunicatis, 60^:9, octosporis, pseudoparaphysatis; 

 sporidiis elliptico-oblongis, rectis curvulisve, obtusiusculis 9-11 ^ 

 3,5-4, hyalinis, distichis. 



Hab. in foliis emortuis Populi dilatatae prope Eislabeu 

 Germanise. 



8. Laestadia socia Penz. Fung. Agrum. n. 20. — Peritheciis hinc 1599 

 inde laxiuscule gregariis, epidermide velatis, globoso-depressis, sub- 

 inde umbilicatis, poro pertusis, 180-200 y.. diam., contextu paren- 



