434 Uredinacese inferloree, AScidium. 



aurantiacis, in pag. sup. irrogularitor sparsis; oecidiis 250-350 >i. 

 diam., margine lacerato - frangiatis. dein levibus, expansis; py- 

 cnidiis paucis vel indistinctis; aecidiosporis irregularibus, subglo- 

 bosis vel angularibus, episporio rugoso, pluri-nucleatis, aurantia- 

 cis, 20-25 \). diam. 



Hab. in foliis Delphinii scopulorum, Steamboat Springs, 

 Colorado, Amer. bor. (E. Bethel). — Species valde noxia. 



110. /Ecidium dakotense Griffiths, Bull. of the Torrey Bot. Club. 1460 

 1902, p. 300. — Pycnidiis brunneis vel brunneo-nigris, sub lente 

 luteis, hypophvllis, sequaliter sparsis, prominentibus; secidiis hypo- 

 phyllis sparsis, ssepe totum folium bullatum occupantibus, mar- 

 gine laceratis recurvatisque ; ascidiosporis globosis vel pro mutua 

 pressione angulosis, 15-18 ;j.. diam., episporio levi, tenui, in angu- 



lis incrassato. 



Hdb. in foliis Aquilegiae canadensis, Big Stone Lake, 

 Dakota, Amer. bor. 



111. /Ecidium Aikeni Syd. in Ann. Myc. I, 1903, p. 334. — Pycnidiis 1461 

 amphigenis, soepius hypophyllis, sparsis, solitariis, numerosis, neque 

 per folium distributis, in sicco brunneis (in vivo melleis ?) . oeci- 

 diis eadem distributione qua pycnidiis, sine maculis. plerumque per 

 totum folium vel per magnam folii partem seque distributis, so- 

 litariis numquam in greges dispositis, primitus hemisphsericis, dein 

 cupulatis, margine recurvato, inciso, albido; necidiosporis globosis, 

 subglobosis v. angulatis, rarius ellipsoideis, plerumque apice leni- 



ter incrassatis, subtiliter verruculosis, navescentibus, 19-25 ;j.. diam.; 

 contextu cellulis valde irregularibus 26-35 » 24-32 formato. 



Hab. in foliis vivis Thalictri purpurascentis, College 

 Hill pr. Cincinnati in Ohio America^ bor. (W. H. Aiken). 



112. /Ecidium Polygoni cuspidati Diet. in Bot. .lahrb. 1903, p. 629. 1462 

 — Pseudoperidiis hypophyllis in acervulos circulares 3-4 mm. 

 latos vel secundum nervos elongatos congestis, margine albo den- 

 ticulato prajditis; sporis globosis vel polyhedricis v. oblongis, 16- 



23 « 15-20, subtiliter verrucosis. 



Ilab. in foliis Polygoni cuspidati, Nikko Japonia) fKusANo). 



113. /Ecidium Atriplicis Shear in Bull. of the Torr. Bot. Cl. 1902. , „; :; 

 p. 453. — Pseudoperidiis hypophyllis, plua minusve sparsis, 0-5- 



1 mm. longis, 240-320 jj.. diam., erumpentibus, margine crenato- 

 «lcnticulatis; cellulis irregulariter pentagonis, 20-30 ;j.. d., dense 

 reticulatis; sporis levibus, luteolis, irregulariter globosis, 20-24 ;j.. 

 diam . 



