niACiDiUM. 389 



confluent in radiating lines ; hymenium fuliginous ; asci 

 clavate; sporidia 8, oblong-elliptic or obovate, straight 

 or slightly curved, 7-10 x 3/4 ; paraphyses filiform, slender. 



Phacidium radians — Rob. in Desm, " Crypt. Fr." ; 

 Desm, « Ann. Sc. Nat.," 1842, p. 116 ; Karst., " Symb," 

 p. 257; Cooke, " Grevillea," ii. p. 165; Kickx., "Flo. 

 Flan./' i. p. 459; Gill., "Champ.," p. 168. Trochila 

 radians — De Not., "Disc," p. 16. Leptotrochila radians 

 — Karst., " Myco. Fenn.," p. 245. 



Exs. — Desm., " Crypt. Fr.," ed. i. 1350, and ed. ii. 750 ; 

 Karst., " Fung. Fenn.," 845. 



On living leaves of Campanula patula. 



Name — Radius, a sunbeam; from growing in radiating 

 lines. 



Near Worcester (Mr. Edwin Lees). 



3. Phacidium minutissimum. Awd. 



Hypophyllous, gregarious, minute, innate, round or 

 angular, brown, soon splitting from the centre into 3 to 

 4 lacinise, exposing the whitish hymenium ; asci minute, 

 clavate ; sporidia 8, elliptic, 7 X 4/4 ; paraphyses filiform, 

 scarce. 



Phacidium minutissimum — Awd. in Rabh, " Fung. 

 Eur.," 228; Fckl., "Symb. Myco.," p. 263; Cooke, 

 "Handbk.," No. 2267; Sacc, "Mich," vol. ii. p. 537; Fresen, 

 " Beitr," t. viii. f. 17-19 ; Gill, " Champ," p. 167, c. i. 



Exs.— Rabh, " Fung. Eur," 228 ; Fckl, " F. Rh," 1098. 



About 100 to 150/z broad. 



On oak-leaves. 



Name — Minutus, minute ; very minute. 



Shere ! (Dr. Capron). 



4. Phacidium Vaccinii. Fries. 



Erumpent, minute, convex, shining, rugose, splitting 

 into 4 laciniaB ; hymenium sooty black ; asci broadly 

 clavate ; sporidia 8, oblong-elliptic, 10 x 4/4 ; paraphyses 

 filiform, slender. 



Spermogonia : spermatia simple, cylindrical, straight 

 obtuse, 10—13 x 2—2-5/4. 



