200 MICROSCOPIC FUNGI. 



Puccinia Violarum, Lk. Violet Brand ; spots yellowish ; 

 sori hypogenous, small, crowded, covered with the epidermis, 

 then surrounded by it ; spores brown, elliptic or broadly elliptic, 

 slightly constricted. — On Violets. Autumn. Common. 



Puccinia Lychnidearum, Lk. Lychnis Brand; spots 

 yellowish ; sori subrotund or oblong, unequal, scattered, rarely 

 confluent ; spores white, at length brown, elongated, oblong, 

 slightly constricted.— On leaves and stems of Lychnida^ Sagina 

 procumbens. Autumn. Common. 



Puccinia umbilici, Guep. Penny -wort Brand ; seated on 

 pallid spots ; sori round, convex, compact, at length confluent in 

 large orbicular patches ; spores subglobose, not constricted, shortly 

 pedicellate. — On Cotyledon umbilicus. Penzance, Guernsey, Cor- 

 wen, N. Wales. W. PcmpUti. (Plate IV. figs. 80, 8L) 



Puccinia Rhodiolse, B. and Br, Stonecrop Brand ; spots 

 orbicular, brown ; sori minute, crowded ; spores shortly pedicel- 

 late, articulations depressed, sometimes spuriously subdivided. 

 — On leaves of Seduni Rhodiola. Summer. Not common. 



Puccinia Saxifragarum, Schl. Moschatel Brand ; spots 

 obliterated; sori subrotund, scattered, crowded and confluent, 

 when young surrounded by the epidermis; spores red-brown, 

 rather short, oblong, slightly constricted. — On both surfaces of 

 the leaves of Adoxa inoschatellina. Not uncommon. Summer. 



Puccinia Chrysosplenii, Grev. Golden-saxifrage Brand; 

 sori of various sizes, 10,%"^ together and confluent, pale brown; 

 spores long, somewhat waved, much attenuated at either ex- 

 tremity; peduncle elongated. — On the under surface of the leaves 

 of Chrysosplenium oppositifolium. Rare. 



Puccinia Epilobii, DC. Willow-herb Brand; spots 

 pale ; sori hypogenous, subrotund, crowded ; epidermis evanescent; 

 spores effuse, cinnamon, broadly elliptic, strongly constricted ; 

 peduncles very short. — On the leaves of Epilobium palmtre. 

 Not common. 



Puccinia pulverulenta, Grev. Great Willow-herb 

 Brand ; sori hypogenous, dark-brown, scattered or subconfluont, 

 open concentric; spores minute, obovate, slightly constricted, 

 lower cell rather attenuated ; peduncle not very short. — On the 

 leaves of Epilobium montanum and E. hirsutum. August and Sep- 

 tember. Common. (Plate IV. figs. 78, 79.) 



Puccinia Circsese, Pers. Nightshade Brand ; spots obli- 

 terated ; sori minute, semiglobose, crowded into subrotund patches, 

 occasionally confluent, generally covered with the epidermis ; 

 spores brown, oblong, often acute, sometimes obtuse ; peduncles 

 long, thick. — On the leaves of Circaa lutetiana and C. alpina. 

 Autumn. Not common. 



