218 



64 c* Jl O Mycologia 



The ease with which infection of the garden Philadelphus, 

 originally a native of the Caucasus, was secured proved a sur- 

 prise. Every effort was made to obtain native species of the 

 genus, but without success until too late for culture work. 



& 



Summary 



The following is a complete list of the successful cultures made 

 during the year 191 1. It is divided into two series, species that 

 have previously been grown in cultures and reported by the 

 writer or other investigators, and species whose culture is now 

 reported for the first time. 



A. Species Previously Reported 



1. Puccinia Peckii (DeT.) Kellerm. Teliospores from Cares 

 lanuginosa Michx., sown on Onagra biennis (L.) Scop. 



2. Puccinia angustata Peck. Teliospores from Scirpus cyper- 

 inus (L.) Kunth, sown on Lycopus americanus Muhl. 



3. Puccinia Phragmitis (Schum.) Korn. Teliospores from 

 Phragmites communis Trin., sown on Rumex crispns L. 



4. Puccinia cinerea Arth. Teliospores from Puccinellia air- 

 oides (Nutt.) Wats. & Coult., sown on Oxygraphis Cymbalaria 

 (Pursh) Prantl. 



5. Puccinia subnitens Diet. Teliospores from Distichlis spi- 

 cata (L.) Greene, sown on Cleome spinosa L., Atriplex hastata 

 L., and Cheno podium album L. 



6. Uromyces Peckianns Farl. Teliospores from Distichlis spi- 

 cata (L.) Greene, sown on Atriplex hastata L. 



7. Uromyces Medicaginis Pass. Urediniospores from Medi- 

 cago sativa L., sown on same species of host. 



8. Gymnosporangium Nidus-avis Thax. Teliospores from 

 Juniperus virginiana L., sown on fruits of Amelanchier erecta 

 Blanch, and leaves of Malus coronaria (L.) Mill. 



9. Gymnosporangium clavariae forme (Jacq.) DC. Telio- 

 spores from Juniperus sibirica Burgsd., sown on fruits of Ame- 

 lanchier erecta Blanch. 



10. Gymnosporangium inconspicuum Kern. Teliospores from 

 Juniperus utahensis (Engelm.) Lemmon, sown on leaves of 

 Amelanchier vulgaris Moench. 



