APPENDIX. 199 



ii. p. 904. — On leaves of Pamassia pahsiris, near Glasgow. 

 (Dr. Gremlle.) The original specimen is in the Edinburgh 

 Herbarium. 



.Slcidium Geranii, DC. Ceanesbill Cltjstbr-Ctjps ; 

 spots yellow and purple ; peridia in circiuating clusters ; spores 

 yellow, at length brown. — On the under surface of leaves of 

 Geranium pratense and G. dissedum. Not common. Said to be 

 a condition of Uromyces Geranii. 



Mcidivxa Menthse, DC. Mint Clustbk-Cups ; spots 

 obliterated; subiculum thickened; peridia scattered, emersed, 

 or aggregate immersed ; spores orange, elliptic. — On various 

 Mints. Common. Said to be a condition of Pticcinia Menthe. 



.fficidlum Scrophularise, DC. Fiowora Cltjster-Ctjps ; 

 spots yellowish; peridia in roundish circinate clusters (rarely 

 scattered) on the under surface ; spores whitish, becoming tawny. 

 — On the leaves of Scrophularia aquatiea. Thame and Sydenham, 

 Oson. Said to be a condition of tlromyees Scrophularia. 



^cidiuin Pedicularis, Lobosch. Rbd-Kattle Cltjsteh- 

 Ctjps ; spots obliterated, subiculum thickened ; peridia thickly 

 and irregularly clustered, subimmersed; spores dirty, pallid 

 orange. — On petioles, leaves, and stems oi Pedicularis palustris. 

 Not common. 



.ffleidium Primulse, DC. Pbimkose Clttster-Cttps ; 

 spots obliterated ; peridia solitary, scattered, and crowded, hypo- 

 genous ; spores whitish-yellow. — On the under surface of leaves 

 of Primroses. Not common. May. Said to be a condition 

 of Puccinia Primulcs. 



.^cidium rubellum, Pers. Dock Cltjster-Cups ; spots 

 purple ; peridia circinating, centre free ; spores j;ellowish-white. — 

 On leaves of Dock and Sorrel. Not uncommon in moist localities. 

 May and June. Said to be a condition of Uromyces Pumicum. 



Moi6xaxa. AvicularisB, Kze. Knotgrass Cltjsteb-Cups ; 

 spots purplish or obliterated, peridia in small irregular clusters, 

 or circinating ; spores pale yellowish. — On leaves and stems of 

 Knotgrass, Polygonum aviculare. Said to be a condition of 

 Uromyces Polygoni. 



.aieidium Ari, Berk. Wake-robin Clxtster-Cups ; spots 

 round, confluent ; peridia circinating, not crowded, central ones 

 abortive. — On leaves of -Arum maculatum. Not common. June 

 and July. 



