APPENDIX. 201 



Xenodochus, Schl. 



Spores raultiseptate, moniliform, breaking up into mai } distinct 

 articulations. — Berk. Outl., p. 328. 



Xenodochus carbonarius, Schl. Burnet Chain-Brand ; 

 scattered, in small tufts, hypogenous ; spores curved or straight, 

 composed of from 5 to 15 articulations ; obtuse at one extremity, 

 slightly attenuate on the other. — On Burnet. Very rare. (Plate 

 III. fig. 29.) 



Xenodochus curtus, C. Short Chain-Brand ; scattered, 

 in very small tufts ; spores abbreviated, obtuse, broad, of from 

 4 to 8 articulations ; on leaves of Valeriana officinalis (?). — Near 

 Manchester {T. Brittain)^ only been found once. 



Phragmidium, Fr. 



Spores cylindrical, multiseptate, scarcely moniliform, borne on 

 a long peduncle. — Berk. Outl., p. 329. 



Phragmidium mucronatum, Fr. Rose Brand ; hypo- 

 genous, scattered over the leaves in minute tufts ; spores 5 to 

 7-septate, terminal joint mucronate ; peduncles incrassated below, 

 fusiform. — On leaves of various Roses. Autumn. Frequent. 

 The Uredo spores of this species are those of Lecythea Rosce. 

 (Plate III. fig. 38.) 



Phragmidium acuminatum, Fr. Burnet Brand ; hypo- 

 genous, scattered in minute tufts ; spores multiseptate, terminal 

 joint acuminate : peduncles equal. — On Burnet leaves. July. 

 Common. The Uredo spores of this species are Lecythea Poferii. 

 (Plate 111. fig. 32.) 



Phragmidium gracile, Berk. Baspberry Brand ; hypo- 

 genous, scattered, in small tufts ; spores 7 to 9-septate, the 

 terminal joint apiculate; peduncles slender. — On Raspberry leaves. 

 Autumn. The Uredo spores of this species are Lecythea gyrosa. 

 (Plate III. fig. 43.) 



Phragmidium obtusatum, Fr. Strawberry Brand; 



