724 UredinacefT, Phragrnidiuni. 



rantiis; uredosporis globosis subglobosis v. late ellipsoideis, echi- 

 nulatis, 18-28» 14-16, episporio 1-2 [i. v. 3 a. cr., hyalino v. sub- 

 hyalino, paraphysibua nullis; teleutosoris hypophyllis v. vaginico- 

 lis, minutis, oblongis v. sublincaribus, .sparsis v. subgregariis, diu 

 epidermide tectis, subinde coufluentibus, pulvinatis, nigris; para- 

 physibus brunneis soros in minutas areolas dividentibus; teleuto- 

 sporis cylindricis v. oblongo-clavatis, apice leviter incrassatis (S-b 

 [1.) truncatis v. oblique acutatis, rarius rotundatis, basi attenuatis 

 vel rotundatis, bi-quadriseptatis ad septa non vel vix constrictis, 

 levibus. nigricanti-forrugineis, apice saturatioribus, 32-52 » 15-24; 

 pedicellis brevibus, brunneis, subdeciduis. 



Hab. in foliis vaginisque Brachypodii japonici et B. 

 pinnati, in Japonia. 



PHRAGMIDIUM Lk. — Syll. VII p. 742, IX p. 315, XI p. 206, XVI 

 p. 316, XVII p. 399. 



1. Phragmidium Potentillae (Pers.) Karst. — Syll. VII, p. 743. — 275E 

 var. Alchemillae Ferraris, Reliq. Ces. in An. E. Ist. bot. Roma IX, 

 fasc. 3 (1902) p. 208. — A typo differt praecipue pedicello basi 

 incrassato nec ;equali. 



Hab. in foliis AlchemiUse pentaphyllse, Sciolze Pede- 

 montii in Italia bor. (Cesati). 



2. Phragmidium americanum (Peck) Diet., Hedwigia XXXXIV (1905) 275^ 

 p. 124, tab. IV, fig. 5, Arthur in Torreya IX (1909; p. 22, cum 

 icone ; Phragmidium mucronatum var. ame7'icanum Peck, 28 Rep. 

 (1876) p. 86. — Dignoscitur pr;isertim teleutosporis 8-10 inter- 

 dum 11-locularibus, 90-110^25-30. apiculatis, saturate brunneis, 

 septis valde approximatis; pedicello spora paullo longiore, crasse 

 obclavato; uredosporis elliptico-ovoideis, muriculatis. 



Hah. in foliis Rosarum, e. gr. Rosye blandse, R. luci- 

 d;e, R. Sayi in Maryland Amer. bor. (Waene). 



3. Phragmidium retanjense Bubak et Ranojevic, Ann. Mycol. VIII 276 

 (1910j p. 374. — Uredosoris hypophyllis, parvis, 100-200 a., para- 

 physibus limitatis, aurantiacis; uredosporis globosis, ovoideis v. bre- 

 viter eUipsoideis, 19-27 * 13-23, tunica crassiuscula, minute verru- 

 culosa, contentu aurantiaco; stipite brevi, 5,5-7,5 ;j.. cr. ; paraphy- 

 sibus validis, brevibus, clavato-incrassatis, fortiter curvatis ; teleu- 

 soris hypophyllis, minutis, sparsis, hinc inde confluentibus, brun- 

 neo-nigris; teleutosporis cylindraceis, basi rotundatis, cellula api- 

 cali longiore, conoidea v. conico-rotundata, apiculo 3,5-10 [j,. pra)- 



