108 
IOWA ACADEMY OF SCIENCE Vor,. XXVII, 1920 
Rosa nutkana Presl. Nectria cinnabarina. 
*Rosa rugosa Thunb. Nectria cinnabarina, Sclerotium sp. 
*Rosa sp. Sphaerotheca pann-osa. 
*Rosa spp. Botrytis cinerea. 
Rubus pedat'us Smith. Venturia kunzei. 
Rubus spectabilis Pursh. Septoria rubi, Sphaerotheca humuli. 
*Rubus strigosus Michx. Aspergillus sp., Coniothyrium olivaceum, 
Nectria cinnabarina, Pestalozzia truncata rubi, Rhabdjospora rubi. 
Rubus spp. Botrytis cinerea. 
Rumex occidentalis S. Wats. Sphaerella rumicis. 
*Salix purpurea L. Nectria cinnabarina, Pestalozzia lignicola, Pestaloz- 
zia truncata. 
Salix sitchensis Sanson. Uncinula salicis. 
*Salix viminalis var. Nectria cinnabarina. 
Salix sp. Uncinula salicis. 
* Salix sp. Diaporthe salicella, Phoma sp. 
Sambucus pulbens Michx. Coniothyrium olivaceum, Diaporthe cal- 
osphaerioides, Nectria cinnabarina, Sclerotium sp., Tripospora elegans. 
* Sambucus nigra aurea Sweet. Ascochyta sambuci, 
*Solanumi tuberosum E. Bacillus phytophthorus, Botrytis cinerea, 
Fusariun oxysporium, Oospora scabies, Phyllosticta sp. 
Solidago sp. Erysiphe cichoracearum. 
Sorbus sitchensis Roem. Entomosporium maculatum, Nectria cinna- 
barina, Rhabdospora inaequalis. 
*Tagetes erecta E. Botrytis cinerea. 
*Thymus vulgaris E. Botrytis cinerea. 
Trifolium pratense E. Pseudopeziza trifolii. 
*Tropaeolum majus E. Botrytis cinerea. 
Unifolium eschscholtzianum (Anders. & Bess.) Wight. Phoma majan- 
themum. 
Urtica lyallii Wats. Didymella eupyrena, Phoma acuta. 
Vaccinium parvifolium Smith. Rhytisma vaccinii. 
Vaccinium vitis-idea E. Exobasidium vaccinii, Dothiorella latitans. 
*Viburnum opulus E. RhaJbdospora interrupta. 
Viburnum pauciflorum Paylaie. Cladosporium sp. 
* Viburnum sp. ?? Coryneum sp., Nectria cinnabarina. 
*Vicia faba E. Botrytis cinerea, Eeptosphaeria sp. 
Viola palustris E. Septoria hyalina. 
*Viola tricolor E. Botrytis cinerea. 
*Zinnia elegans Jacq. Botrytis cinerea. 
JuNKAu Florists, 
JuNDAu, Alaska. 
