280 
P. Magnusiana, Korn. Adcidiospores on Rumex hydrolapathum, Huds. 
Teleutospores on Phragmitis communis. 
P. sessilis, Schneider. Aucidiospores on Allium ursinum, L. Teleutospores 
on Phalaris arundinacea, L. 
P. caricis, Schum. Aicidiospores on Urtica dioica, L. Teleutospores on 
various Carices. 
P. sylvatica, Schréter. Alcidiospores on Taraxacum officinale, W. Teleu- 
tospores on Carex muricata, L, 
GYMNOSPORANGIUM, D.C. 
G. sabince, Dicks. _ Aicidiospores on Pyrus communis. Teleutospores on 
Juniperus sabina, L. 
G. clavarieforme, Jacq. Adcidiospores on Crategus oxyacantha. Teleuto- 
spores on Juniperus communis, Lk. 
G. juniperinum, Linn. Aicidiospores on Sorbus aucuparia, L. Teleutospores 
on Juniperus communis, L. 
TRIPHRAGMIUM, Link. 
T. ulmaric, Schm. 
PHRAGMIDIUM. 
A. Phragmidiopsis. Having only ecidio and teleutospores. 
P. carbonarium, Schl. 
B. Euphragmidium. Having ecidio, uredo, and teleutospores. 
P. subcorticatum, Schrank ; P. fragarie, D.C.; P. rubi, Pers., P. violaceum, 
Schultz; P. rubi-idei, Pers. 
CRONARTIUM, Fries. 
C. flaccidum, A. & 8. 
Mexamesora, Cart. 
A. Micromelampsora Only teleutospores known. 
B. Hemimelampsora. Having uredo and teleutospores. 
M. betuline, Pers.; M. salicis-capree, Pers.; M. helioscopie, Pers.; MM. 
hypericorum, DC. ; M. lini, Pers. ; M. cerastii, Pers.; M. circew, Schum. ; M. epil- 
obii, Pers. ; M. vaccinii, A. &S.; M. padi, K. & 8. (Uredo porphyrogenita, Link. ). 
C. Melampsoropsis. Having only ecidio and teleutospores, the uredo- 
spores being wanting. 
M. goeppertiana, Kiihn. Aicidiospores on Pinus pinea, L. (Ai. columnare, 
A. & §.), not British. Teleutospores, on Vaccinium vitis-idea, L. 
D. Eumelampsora. Having ecidio, uredo, and teleutospores. 
M. populina, Jacq. Aicidiospores on Clematis vitalba. Uredo and teleuto- 
spores on Populus nigra. 
CoLEOSPORIUM, Lev. 
A. Hemicoleosporium. Having only uredo and teleutospores. 
C. euphrasie, Schum. ; C. campanule, Pers. ; C. sonchi-arvensis, Pers. 
B. Bucoleosporium. Having zcidio, uredo and teleutospores. 
C. senecionis, Pers. Aicidiospores on Pinus sylvestris, L. (Peridermiwm pint). 
Teleutospores on various species of Senecio. 
