Uredinacefe, Uromyces. 585 



Sydow, Mou, Ured. II (1910) p. 30. — Uredosoris liypophyllis, 

 sparsis, ovatis v. oblongis 0,6-1 mm. longis, epidermide diutius 

 tectis, pulverulentis, cinnam.omeis ; uredosporis ellipsoideis, laxe 

 echinulatis, cinnamomeis, 19-26 » 16-19, episporio 1,5-2 [x. cr., 

 porie germinativis 4 aequatorialibus instructis; teleutosoris bypo- 

 pliyllis, sparsis, mediocribus, oblongis v. linearibus, 0,5-2 cm. long., 

 pulvinatis, atro-brunneis ; teleutosporis ovatis, oblongis v. oblon- 

 go-clavatis, apice rotundatis, valde incrassatis (7-10 [x.), levibus, 

 primo flavidis, dein castaneo-brunneis, 25-42 ^ 16-22, episporio 1,5- 

 2 {j.. crasso; pedicello persistenti, hyalino v. subhyalino usque ad 

 70 [j- longo. 



Hab. in foliis Caricis utriculata3, Mattsville Indiana 

 Amer. bor. (G. Wilson). 



187. Uromyces ovalis Diet., Engl. Jahrb. XXXVII (1905j p. 97. — 2285 

 Soris amphigeni.s pnecipue hypophyllis, rainutis, e punctiformi li- 

 nearibus, plus.minusve distincte seriatim dispositis, nudis ; uredo- 

 sporis obovoidels v. ellipsoideis 20-27 » 16-21, dilute brunneis, echi- 

 nulatis, paraphysibus capitatis numerosis dilute brunneis inter- 

 mixtis; teleutosporis ovoideis, basi plerumque rotundatis, rarius 

 tenuatis apice processibus irregularibus obtusis, coronatis, 18-30 « 

 13-17, apice castaneis basi dilutioribus; pedicello usque ad 40 [j.. 

 long., brunneolo, persistenti. 



Ilab. ad folia Leersise oryzoidis, Tokio Japonise, — Ab 

 americano Urom. IlalstecUi satis diversus. 



188. Uromyces Poae-alpinae W. Rytz, Mitt. Naturforsch. G-esell. Bern. 2286 

 (1910) pag. 6 (extr.). — Uredosoris amphigenis subrotundatis v. 

 ellipsoideis, brunneis, diu epidermide tectis; uredosporis globosis 



V. ellipsoideis, s;i;pe angulatis, subtiliter verruculosis, iiavescenti- 

 bus, poris germinativis 2-3 prteditis, 18-26 [i. diam, ; teleutosoris 

 ex uredosoris nascentibus, subrotundatis, ovatis, ellipsoideis v. ob- 

 longis, diu epidermide tectis, nigris; teleutosporis globosis, ovatis 

 V. ellipsoideis, quoad formam et magnitudinem valde variabilibus, 

 18-23 « 15-19, semper brunneis, apice non atrioribus, episporio 

 yequaliter crasso, rarius apice leniter incrassato. 



Ilah. in foliis Po;e alpiucU, Telli Ivientales Helvetiie. — Ab 

 U. Poce diflfert caracteribus biologicis, teleutosporis brunneis nec 

 pallidis apice non obscurioribus nec crassioribus. 



189. Uromyces Poae Rabh. in Unio ifcin. (1866) n. XXXVIII; Sy- 2287 

 dow, Mon. Ured. II (1910) p. 310, Urom. pratensis Juel (1905) 

 Urom. Dacttjlidis Ofcth — Syll. VII, pag. 540 p. p. — Pycnidiis 



