200 



MICEOSCOPIC FDNQI. 



^cidium Draconlii, Schwein. Akttm Cluster-Ctjps ; 

 spots pallid, extensively scattered over the leaves, sometimes 

 nearly covering them; peridia large, scattered, abundant, disposed 

 without order on the spots; spores orange. — On Arum triphyllTim, 

 in gardens. Melbury, 1863 {Rev. M. J. B.) A North American 

 species. 



.fficidium AUii, Grev. Garlic Cltjstek-Cups ; spots 

 pale ; peridia circinating, not contiguous ; spores yellowish. 

 — On leaves of broad-leaved Garlic {Allium nrsinum). June and 

 July. 



.Slcidium Orehideanim, Fiedl. Orchis Cluster-Cup ; 

 spots large, pallid, orbicular or elongated ; peridia circinating, 

 semi-immersed ; spores golden-yellow. — On Orchis laiifolia. 

 June and July. 



^cidium ineareeratum, B . and Br. Sori minute, crowded 

 in irregular spots ; peridia included in the parenchyma of the 

 leaf; pseudospores pallid. On leawi of SagiUaria. 



Endophtllum, Lev. 



Peridiam enclosed within the substance of the leaf, bursting 

 irregularly. 



Endophyllum Sempervivi, Lfiv. ; peridia immersed, 

 elliptic or roundish ; spores ochraoeous, becoming brownish. — On 

 leaves of Houseleek. 



PUCCINI^ I. 



a. apores s. 



Spores multiseptate — 



moniliform . . . . . . . . Xenodochus. 



cylindrical Aregma. 



biseptate Triphragmium, 



uniseptate . . . . • • . . Paccinia. 



simple . . • - • • • • Uromycea. 



b. Spores immersed in. gelatine. 



Stroma tremelloid and expanded.. .. Gpmnosporangiura. 



clavate or club-shaped .. .. Podisoma. 



