1889.] 



occurring in the neujlihourhood of Simla. 



251 



have no corresponding iEoidinm in Simla, and the latter, -with an Mci- 

 diuni on Taraxacum, and we have similarly no corresponding j33cidium 

 Lore. The only -^Soidium on any member of the Compositce that I have 

 mot with is that on Myriactis nepalensis, Less., and I have never found it 

 actually iu Simla.* I must therefore regard this Fuccinia as a new 

 sijecies, at any rate for the present. 



DESCRIPTION OP THE PLATES. 

 Plate XII. 



Fig. 1. Fuccinia Boscoew, ui-edospore and two telentoapores ; ono with two pi'o- 

 mycelia. 2. P. ^cscirfosoi-isHj, two uredosporca and cue teloutosporo. 3. P. Jlosciilo- 

 aornm, nredospore germinating. 4. P. Qalii, toleutosporo. 5. P. Galii, nredosporo 

 gormiuatiug. 6. P. Ronw, teleutosporo showing commencing germination in upper 

 coll, X 400. 7. P. Boscn, telentospore showing promyoelinm of upper cell with two 

 sporidia, x 400. 8. P. Bosm, sporidium germinatiug, x 250. 9. P. Urticce, telento- 

 spores, with branched proniycelitim from lower cell. 10. JP. Qeranii silnatici, 

 natural appearance of attacked leaf, natural size. 11. P. Oeranii silvatici, showing 

 liypertrophiod node caused by mycelium, natural size. 13. P. Oeranii silvatici, 

 teleutosporo, after lying 24 hours iu water, x 400. 13. P. Acetosw, two uredo- 

 spores and one teleutosporo. 14. P. helvetica, teleutosporo. 15. P. Mentha}, 

 germinating teleutosporo with sporidia. 16. P. Me^ithai, germinating sporidium, 



Plate XIII. 



Fig. 1. Fuccinia Garicis filicina, germinating teleutosporo. 2. P. Caricis fil- 

 ewre, end of promyoelium showing sporidial formation. 3. P. coronata, irom Bracliy ■ 

 poditun silvatiaum, showing representative telentospore and nredospore. 4. P. 

 helvetica, lower snrfaoe of leaf in uredo stage. 5. P. helvetica, upper sm-face of 

 leaf in uredo stage. 6. P. helvetica, upper surface of leaf in telentospore stage. 7. 

 P. Saxifrage ciliatce, natural appearance. 8,a. & 8,6. P. Saxifaga; ciliatce, teleutosporo. 

 9. P. coronata, from Ghrysopogon cmruleus : a-, showing an npper cell with pro- 

 mycelium and storigmata, from which the sporidia have fallen : i., germinating 

 sporidium; c, another telentospore. 10. P. jframtni,'?, telentospore. 11. P. Arun- 

 dinello} on A. Wallichii, teleutosporo. 12. P. Fimpinellce, germinating teleutospore 

 with sprouting sporidia still attached. 



Plate XIV. 



Fig. 1. Fuccinia coronata, from Brachypodium sylvaticum, telotitospore with pro- 

 mycelium. 2. P. coronata, germinating sporidia. 3. P. coronata, from Ghrysopogon 

 cairuleus ; a. and c, forms frequently met with on this host : 6,, two uredospores are 

 also shown. 4. P. coronata, typical teleutosporo from Brachypodium sylvatioum. 

 5, P. coronata, germinating nredospore {Brachypodiam sijlvaticum) 6. P. .4™- 

 ihistiria!, teleutospore. 7. P. Arundinellai, on A. .ti'tn.ia, gorminating telentospore. 

 8. P. Arundinellm, typical teleutospore. 9. P. ChrijxK/m-ii, gorminating toleuto- 

 sporo, with abuormally loug sterile storigmata from upper promycelium ; h., germina- 

 ting sporidium. 10. P. Qhrysopogi, germinating sporidium. 11. P. Circaee, 

 teleutospore. 13. P coronata, from Agrostis Hooleeriana. 13. P. Aiidropogi, teleu- 

 tospore. 14. P. Fragarim, teleutospore. 



N, B. — LT/iZess otherwise specified all figures are x 350. 



# J. A, S. B. vol. Ivi, pt. ii, uo. 3, 1887. 



