C^OMACEI. 517 



1538. Urocystis violae. B,d:Br. " Violet Smut." 



Sori scattered, elongated, on both surfaces of the leaves and 

 petioles ; spores more or less globose, consisting of several cells, 

 surrounded by a common irregular crust. — Polycystis violce. B. 

 ^- Br. Ann. N.H. no. 487. Coohe exs. no. 78. Cooke 21. F. p. 

 212, pi. IK. figs. 185-186. Granularia violce. Sow. t. 440. 



On leaves and petioles of violets. August. Common. 



Forming gouty swellings of the petioles and principal veins, and otherwise 

 deforming the leaves, at length bursting in two or three places and exposing 

 the sooty spores. " The spores are more or less globose, consisting of seve- 

 ral cells, surrounded by a common irregular crust." 



1539. Urocystis colchici. Tul. " Meadow Saffron Smut." 



Sori elongated, bursting irregularly ; spores smooth, or 

 slightly papillose. — Polycystis colchici. Tul. Ann. Sc. JVat. 

 (1847),Yii.p. 117. Cooke M.F. p. 211. B. 4- Br. Ann. N.H. no. 

 485. Sporisorium colchici. Lib. exs. no. 194. Uredo colchici 

 Berk. exs. no. 309. 



On leaves of meadow saffron ( Colchicum autumnale). 



1540. Urocystis occulta. Prenss. "Eye Smut." 



Sori very long, linear; epidermis bursting longitudinally; 

 spores globose, with several projecting nodules, dark brown. — 

 Polycystis par allela. B. ^ Br. Ann. N.H. no. 4,^^. Cooke M.F.p. 

 212,7?/. ix.yz^s. 187, 188. Preuss. Sturm, t.l. Uredo par allela. 

 Eng. Fl.Y.p. 375. 



On culms and sheaths of rye, and on the leaves of Carices. 



In long parallel lines on the leaves, with very much the habit of an Usti- 

 lago. {Fig. 209.) 



1541. Urocystis poxnpholygodes. Schlecht. " Buttercup 



Smut." 



Sori variable, bullate ; epidermis inflated, at first entire, then 

 bursting irregularly, its remains suiTOunding the clusters ; spores 

 copious, subglobose, black, opac[ue or pellucid. — Polycystis pom- 

 pholygodes Lev. Cooke M.F. p. 212, pi. ix. figs. 183, 184. Cooke 

 exs. 710. 79. Uredo pompholygodes. Berk. Ann. N.H. no 137. Berk, 

 exs. no. 236. 



On Ranunculus repens and other Ranunculacece. Summer. 

 Common. 



Causing gouty swellings of the petioles, and the principal veins of the 

 leaves. At length bursting and exposing the sooty spores. Not uncommon 

 on the Wood Anemone. 



