— 168 — 



Gen. Erysiplie. 



Hedw. Lèv. in Ann. Se. Nat. IH, 15, p. 161 (1851). Sacc. %//. Funi/. 

 I, p. 15 (1882) (Etym. a t^rai,hi: nibigo). 



Peiithecia globosa vel globoso-depressa, superfìcialia; inyceliiim arach- 

 noideum, saepe contextum ; appendices floccosae, simplices, vel vage 

 ramosae, mimquam dichotoniae. ciim niycelio intertextae, erectae; 

 asci 2-8 spori, plures in quoque peiitliecio, ovoidei; sporidia ovoi- 

 dea, liyalina. Conidia ovato-oblouga, 0/dii eri/siphoidis formas spec- 

 tantia. 



Conspectus ■'<i/noplicits speciernni: 



1. Peritliecia matura cum ascis sine sporidia in plantis 



vivis 2. 



Peritliecia matura cum ascis in plantis vivis spo- 

 ridia praeditis 4 



2. Peritliecia magna 140-280 /t diam. (media 200 /() in 



mycelio persistente lanuginoso immersa . . . . E. Girnììhii.^ 

 Peritliecia 80-14(i fi in mycelio lanuginoso liaud im- 

 mersa !.. 3. 



3. Haustoria lobulata E. Gaìeopsidis. 



Haustoria liaud lobulata E. Gichoraceamm 



4. Asci 2-rarius 3 -spori, peritliecia 135-240 /(; asci 



7-38 (saepius 20) 75-110 ,<( diam E. faurica. 



Asci 3-8 sporidia, rariter 2 continentes; peritliecia 

 65-180 diam. asci 2-8 (rarissime 22) 5. 



5. Appendices longae erectae et fasciculatae .... E. torfi/is. 

 Appendices longae et strictae, horizzontales, saepe 



cum mycelio intertextae E. Poli/goni. 



Èrysiphe Polygoni. DC. FI. Fr. 2, 273 (1805) — Salmon Monoyr. Eri/- 

 siph. p. 174 (1900) — Ai phitomorpha communis Wallr. (1819) — 

 Erijsiphe comnvinis Grev. (1828), Sacc Sijll. I, 18 — E. commìini>i 

 (Wallr.) Fr. (1829) — E. Liriodendri Schwein. (1834), Sacc. S>ill. 

 I, 21 — E. Ulmariae Pers. (1846) — Eri/siphe Ulmariae Desm. (1846) 

 — Enjsiphe Martiihèy. (1851), Sacc. N////. I, 19 — E. deiisn Beik. 

 (1855), Sacc. Syll. I, 18 — Eri/sipììP. comnuuH'^ Lk. forma Aconiti 

 (1861) — Ertjsiphe communis Fr. for, Geranii (1861) — E. Ulma- 

 riae Desm. (1867), Sacc. ^ìjll. I, 19 — E. Vmheìlifcnirnm De Bary 

 (1870), Sacc. Sjll. I, 17 — E. vernalis Karst. (1873), Sacc. Syll. I, 19. 



