246 



MICROSCOPIC PITNGI. 



Plate fig. 



li. 25. Cluster-oups from fruit of Hawthorn, magnified. , 



„ 26. Section of same, further magnified. 



„ 27. Mr-leaves bearing cluster-oups (Peridermium acicolum). 



„ 28. Isolated cup of same, magnified. 



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



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. 

 „ ^^. 'Ermtot Garnet hranilAregma acuminatum). 

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

 mixed. 

 „ 34. Spores of Barren Strawberry rust y 230. 



85. Pruit of Strawberry brand {Aregma obtusatum) x 300. 

 „ 36. Leaflet of Itose with its rust and brand intermixed. 

 „ 37. Spores of Rose rust {Lecythea Roste) x 230. 

 „ 38. Fruit of Rose brand (.4re^m««!2«cro«a^aj») 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 witli its brand. 

 „ 43. Fruit of Raspberry brand (Aregma graeile) 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. Currey). 

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

 „ iS. Spores of Meadow-sweet brand {Triphragmium uhna- 



ria) X 300. 

 „ 49. Spore of Meadow-sweet brand (5VJpAra^OT2«m a^wffriiB) 



in germination, with sporidia borne on the germ- 

 tubes X 300 {Tulasne). 

 „ 50. Sprig of Thesium humifumm bearing Bastard-toadflax 



cluster-cups {Mddium Thesii). 

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

 „ 52. Leaflet of Trientalis Buropma with its smut {Tubureinia 



Trientalis), now called Sorosporium). 

 „ 53. Spores of the same x 320. 

 „ 54. Spores of Potato smut {Tubureinia scabies) » 320. 



{Berkeley) 

 „ 55. Leaflet of Alexanders {Smyrnium olusatrum) with its 



brand. 

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



