DiscoraycetoiB, Oymnoascacox', Exoascus. «17 



Outl. [i 4t'.), 'Faphrina Tul., Exoascus Wiesnen Italh. |{ot. Zeit. 

 1S80. — Ilypophyllus, folia hiuc iiido hullosa et alho-pruinosa reddens; 

 ascis aiiguste cylindraceis, rotundatis, 35-50 = 5-7; cellula basilari 

 10-10 s 2-5; sporidiis suhglohosis 3-5 a. diam. 



llab. \i\ foliis Pruai A v i u in, P. Cerasi, P. C hainnece ras i, 

 P. domesticft', Persicie vulgaris et Amygdali coin- 

 m u II i s in Hritaiinia, '.^iullia, Genuania, Pelgio, Italia, Austria, Sue- 

 cia ot Aiiier. hor. — Asci, teste Rohm., clavati 25 = 12. 

 l. Exoascus Pruni Fuck. Enum. Fung. Noss. p. 29 c. ic, Sadeh. 3312 

 Exoasc. p. 111. f. 10, Taphrina Pruni Tul. — Fructus immatu- 

 )s occupans, deformans et necans ; ascis cylindraceo-ciavatis, apico 

 iotundatis, 40-55 :; 8-15; cellula hasilari 10-10 = 8, utrinque trun- 

 cata ; sporidiis subglouosis, octonis, rarius plurihus, 4,5 /. diam. 



Ilah. \\\ fructibus immaturis Pruni domesticje, P. Padi, 

 P. spinosiB in Gerraania, Austria, Italia, Suecia, Britannia, Araer. 

 hor.. Sihiria. 

 i Exoascus bullatus (Berk. et Br.) Fuck. Symh. Apj». II, p. 49, Sad. 3343 

 E.xoasc, p. 112, f. 17, Oidium Beik. et Br. in Journ. Ilortic Lond. 

 l^^o^, p. 48, Ascomyces Berk. Introd. p. 284, Ascospovium Berk. 

 I »utl., p. 444, t. 1. f. 9 b, Taphrina Tul. — Maculis minutis, dein 

 confluentihus, hinc iiiflatis hinc excavatis, rubescentibus denique 

 pruuiosis; ascis cylindraceis, utrinque truncatis, 25-35 = 8, cellula 

 hasilari cuhoidea, G-S a, lat.; sporidiis globosis 4,5 •/. diam. 



Hab. \n foliis lioribusque Piri communis et Crataegi in 

 Britannia, Geriiiania, Italia, .\ustria et Suecia. 

 1. Exoascus Insititiae Sadeb. Exoasc. p. 113, f. 18. — Folia supra 33n 

 coiivexo-contorta, infra tenuiter pruinosa reddeus; ascis cylindra- 

 ceis, apice rotundatis, hasi truncatis, 25-28 5 10, cellula basilari 

 subcuboidea, basi subacutata, 8-10 ;. lat., 8 y.. alt.; sporidiis glo- 

 hosis 3,5 Jt. dia m. 



Ilab. \n foliis Pruni insititia"' ct V. domestico) prope 

 llamhurg in Germania et in Suecia. 

 !>. Exoascus alnitorquus (Tul.) Sadeb. Exoasc. p. 115, f. 0, Taphnaa vm:, 



Tul. .Vnii. Sc. N at. V ser., V vol., p. \Va), Ascomijces ToS(jHine/ii 

 I West. Bull. ,\cad. Belg. II, sor., XI tom., p. 655 p. p. IJxoascus 

 Alni Do Bary in Fiick. Symh. p. 252 p. p. — Folia flavescenti tin- 

 ! gens et pruiaosa, huUata atquo contorta reddens; ascis tereti-cla- 

 I valis, truncatis, 31-37 5 6-7 ; cellula basilari 1 1-20 :s 0-7, basi acu- 

 •i tata; sporidiis globosis, 3-5 a. diara. 



Ilab. in foliis hracteisque ainonti feminei .\ I n i j^lutmosa» 



