APPENDIX. 195 



PUCCINI^I. 



a. Spores stipitate. 



Spores multiseptate — 



moniliform Xenodoclms. 



cylindrical . . . . . . . . Aregma. 



biseptate .. .. .. .. Triphragmkim. 



uniseptate Fnccinia. 



h. Spores immersed in gelatine. 



Stroma tremelloid and expanded . . . . Gymnosporangium. 

 clavate or club-shaped • . . . Fodisoma. 



Xenodochus, Sclil. 



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, Er. 



Spores cylindrical, multiseptate, scarcely moniliform, borne on 

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



Aregma mucronatuin, Fr. Rose Brand ; hypogenous, 

 scattered over the leaves in minute tufts ; spores 5- to 7-septate, 

 terminal joint mucronate; peduncles incrassated below, fusi- 

 form.— On leaves of various Koses. Autumn. Frequent. (Plate 

 III. fig. 38.) 



Aregma acuminatum, Fr. Burnet Brand ; hypogenous, 

 scattered in minute tufts; spores multiseptate, terminal joint 

 acuminate; peduncles equal. — On Bui'net leaves. July. Common. 

 (Plate 111. fig. 32.) 



Aregma bulbosum, Fr. Bramble Brand ; hvpogenous, 

 with a dull red stain on the upper surface ; spores in large tufts, 

 4-septate, terminal joint apiculate ; peduncles incrassated, and 

 bulbous at the base.— On Bramble leaves. Autumn. Very 

 common. (Plate 111. fig. 41.) 



Aregma gracile, Berk. Easpberry Brand ; hjT)ogenoTis, 

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

 apiculate; peduncles slender.— On Raspberry leaves. Autumn. 

 (Plate 111. fig. 43.) 



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