246 



MICROSCOPIC FUNGI. 



Plate fl£. 



11. 25. Cluster-cups from fruit of Hawthorn, magnified. 



26. Section of same, further magnified. 



27. Fir-leaves bearing cluster-cups {Peridermium acicolum). 



28. Isolated cup of same, magnified. 



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III. 29. Many-jointed fruit of Burnet chain-brand {Xenodochus 

 carbonarius), magnified. 



30. Leaflets of Burnet with rust on the lower, and brand 

 {Aregma acuminatum) on the upper leaflets. 



31. Spores of Burnet rust {Lecythea Poterii) x 230. 



32. Fruit of Burnet brand (Aregma acuminatum). 



33. Leaf of Barren Strawberry with rust and brand inter- 

 mixed. 



34. Spores of Barren Strawberry rust x 230. 



35. Fruit of Strawberry brand {Aregma obtusatum) x 300. 



36. Leaflet of Rose with its rust and brand intermixed. 



37. Spores of Rose rust {Lecythea Rosa) x 230. 



38. Fruit of Rose brand {Aregma mucronatum) x 300. 



39. Leaflet of Bramble, with its rust and brand intermixed. 



40. Spores of Bramble rust (Lecythea Ruborum) x 230. 



41. Fruit of Bramble brand (Aregma bulbosum) x 300. 



42. Leaflet of Raspberry with its brand. 



43. Fruit of Raspberry brand {Aregma gracile) x 230. 



44. Cluster of fruits of Rose brand {Aregma mucronatum) 

 x 230. 



45. Fruit of Bramble brand {Aregma bulbosum) in active 

 germination, with sporidia at the tips of the threads 



x300. 



46. Fruit of Bramble brand {Aregma bulbosum) ruptured, 

 with inner cell escaping x 250 {F. Carrey). 



47- Portion of leaflet of Meadow-sweet with its brand. 



48. Spores of Meadow-sweet brand {Triphragmium ulma- 

 tub) x 300. 



49. Spore of Meadow-sweet brand {Triphragmium ulmaria) 

 in germination, with sporidia borne on the germ- 

 tubes x 300 {Tulasne). 



50. Sprig of Thesium humifusum bearing Bastard-toadflax 

 cluster-cups {JEcidium Thesii). 



51. Portion of leaf of same, with cluster-cups, enlarged. 



52. Leaflet of Trientalis Europaa with its smut {Tuburcinia 

 Trientalis), now called Sorosporium) . 



53. Spores of the same x 320. 



54. Spores of Potato smut {Tuburcinia scabies) x 320. 

 {Berkeley.) 



55. Leaflet of Alexanders {Smyrnium olusatrum) with its 

 brand. 



56. Spores of Alexanders brand {Puccinia Smyrnii) x 320. 



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