Uredinacea?, Phragmidium. 727 



10. Phragmidium Rosae-multiflorae Diet., Hedw. XLTV (1905) p. 132. 2762 



— ^cidiis in petiolis nervisque primariis foliorum tumores con- 

 vexos efficientibus, pulvinatis, elongatis, magnis, rarius foliicolis 

 circularibus ; aecidiosporis ellipsoideis v. elongato-obovatis, rarius 

 globosis, 21-34 «15-22, episporio asperulo, 2 jx. cr. ; uredo- et te- 

 leutosoris bypophyllis, minutis, sparsis; uredosporis ellipsoideis 

 V. subglobosis, 20-25 « 16-20, episporio subtiliter verrucoso, sub- 

 levi; teleutosporis cylindricis, utrinque rotundatis, apice papilla 

 conica flavo-brunnea ornatis, verrucosis, opaco-brunneis 5- usque 

 ad 8-locularibus, usque ad 112 v 23-28; pedicello gracili levi, deor- 

 sum incrassato, superne ilavo-brunneo. 



Hab. in foliis petiolisque E-osae multiflorsB, in Japonia (S. 



KUSANO). 



11. Phragmidium Rosae-setigerae Diet., Hedw. XLIV (1905) p. 131. 2763 

 Soris hypopliyllis minutis, sparsis; uredosporis ellipsoideis v. sub- 

 globosis, 22-26*17-20, episporio tenui, breviter echinulato; te- 

 leutosporis plerumque cylindricis v. basim versus paullo attenua- 



tis, subimpellucide brunneis. verrucosis, apice papilla hyalina or- 

 natis, plerumque 8-10-locularibus, rarius ultra, usque ad 120 « 

 25-32; pedicello hyalino, longo, deorsum incrassato. 



Hab. in foliis Rossb setigera; et R. Carolinse, in A- 

 mer. bor. 



12. Phragmidium Rosae-arkansanae Diet., Hedw. XLIV (1905) p. 333. 2764 



— MacuHs flavis v. nullis; soris hypophyllis sparsis, minutis, ure- 

 dosoris aureis, teleutosoris nigris; uredosporis globosis v. late el- 

 lipsoideis 17-20,5 [i. diam., verrucosis, episporio ;uquali, 1,5 [i. cr., 

 donatis, paraphysibus clavatis introrsum curvatis circumdatis; 

 teleutosporis elongato-ellipsoideis, v. cylindraceis, utrinque rotun- 

 datis et apice papilla hyalina minuta v. in apiculum cylindricum 

 elongata ornatis, verrucosis, obscure brunneis, plerumque 5- usque 

 ad 8-locularibus, usque ad 90 «25-33; pedicello hyaHno inferne 

 iniiato. 



Hab. in foliis Rosoe arkansanse, in Amer. bor., non raro. 2755 



13. Phragmidium Rubi fPers.) Wint. — Syll. VII, p. 745. — Var. 

 Candicantium Vleugel, Svensk Bot. Tidskr. Bd. II (1908) p. 136, 

 cum icone. — Uredosoris hypophyllis, minutis, tenuibus, sparsis ; 

 uredosporis ex ovoideo globulosis, 21-26*18-21, saepius 23*18; 

 paraphysibus clavatis circumdatis, membrana 2-3 \l. cr., muricu- 

 lata, poris subquaternis; teleutosoris hypophyllis minutis, sparsis 

 V. subconfiuentibus, nigris; teleutosporis 5-8-cellularibus, plerura- 



