492 



PUCCINI^I. 



Coohe M.F.m.f. 35. Coolce exs. no. 22. E?ig. Fl. v. p. 359. 

 Fckl. exs.no. SIO. Kl.exs.no. 679. Berk.exs.no. 105. Puccinia 

 potentilloe. Grev. t. 37. Bull. t. 504,/. 14. Corda. iv./. 72. 



On leaves of barren strawberry. (Potentilla fragariastrum.) 

 Autumn. 



Gen. 166. 



TRIPHRAGMZUM, Link. 



Spores trilocular; septa mostly vertical 

 and horizontal. — Berk. Outl.p. 332. 



(i^e^.202.) 



Fig. 201. 



X461. Triphragmium ulmariae. Link. ** Meadow Sweet Brand." 



Uredo-spores. Effused, broad, pulverulent, on leaves and 

 petioles; spores subglobose, deep orange. — Uromyces uhnaricB^ 

 Lev. Cooke M.F. t. 7,/. 147, 148. Cooke exs. no. 75. Uredo ul- 

 marice, Mart. CcEoma mimatum, Pers. Uredo effusa, Eng. Fl. v. p. 

 381. Grev. 1. 19. Cooke L.F. no. 25. 



Braxd-spores. Spots obliterated ; sori at first subrotund, covered 

 with the epidermis; at length, when the cuticle has vanished, 

 effuse ; spores brown, subturbinate, divided by a vertical dissepi- 

 ment, shortly pedicellate. — Link. Sp. ii.p. 84. Cooke 31. F. t. iii. 

 /. 48. Cooke exs. no. 2^. Fckl. exs. no. ^11 . Cooke L.F. no. 4:. 

 Corda. iv./. 73. Pay.f. 250. Kl. exs. no. 271, ii. 366. Berk. exs. 

 no. 343. Puccinia ulmarice,Eng. Fl. y.p. 368. Moug. exs. no. 891. 



On leaves of meadow-sweet (^Spircea ulmaria). Autumn. 

 Common. (i^i^. 201, spores magnified.) 



Gen. 167. 



PUCCINIA, Pers. 



Fig. 202. 



(1) Uredo spores subglo- 

 bose, (2) brand spores unisep- 

 tate, supported on a distinct 

 peduncle. — Berk. Outl. p. 329. 

 (Fig. 203.) 



It is probable that, when better 

 known in their development atd 

 mutations, many forms now regarded 

 as distinct species will have to be 

 united. 



