| Spores multiseptate— | |
| moniliform | Xenodochus. |
| cylindrical | Aregma. |
| biseptate | Triphragmium. |
| uniseptate | Puccinia. |
b. Spores immersed in gelatine.
| Stroma tremelloid and expanded | Gymnosporangium. |
| clavate or club-shaped | Podisoma. |
Xenodochus, Schl.
Spores multiseptate, moniliform, breaking up into many distinct articulations.—Berk. Outl., pp. 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 at the other.—On Burnet. Very rare. ([Plate III.] fig. 29.)
Aregma, Fr.
Spores cylindrical, multiseptate, scarcely moniliform, borne on a long peduncle.—Berk. Outl., p. 329.
Aregma mucronatum, Fr. Rose Brand; hypogenous, 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. ([Plate III.] fig. 38.)
Aregma acuminatum, Fr. Burnet Brand; hypogenous, scattered in minute tufts; spores multiseptate, terminal joint acuminate; peduncles equal.—On Burnet leaves. July. Common. ([Plate III.] fig. 32.)