244 Field Columbian Museum — Botany, Vol. i. 



HOLCUS LANATUS L. 

 Puccinia coronata. 



HOUSTONIA C^RULEA L. 

 yEcidium Houstonianum. 



HOUSTONIA LONGIF*OLIA Gaertn. 

 ^cidiuni Houstonianum. 



HYDNUM sp. 



Pencillium glaucum. 

 Stremonites fusca. 



HYDRANGEA ARBORESCENS L. 

 Diaporthe Hydrangae sp. nov. 

 Hypoderma commune. 

 Leptosphaeria vagabunda. 

 Tilmadoche gyrocephala. 



HYMENOCETUM sp. 

 Hypomyces rosellus. 



HYPERICUM MUTILUM L. 

 Uromyces Hyperici. 



HYPOXYLON COCCINEUM Bull. 

 Lasiosphaeria ovina. 



HYPOXYLON RUBIGINOSUM. 

 Isaria Virginiensis. 



HYSTERIX HYSTERIX(L.)Millsp. 

 Phyllachora graminis. 



ILEX OPACA Ait. 

 Diaporthe cercophora. 

 Diplodia ilicicola. 

 Fusicoccum ilicinum. 

 Heliscus Lugdunensis. 

 Hypoxylon perforatum. 

 Leptothyrium foraminulatum. 

 Leptothyrium sp. 

 Phoma ilicicola. 

 Phyllosticta opaca sp. nov. 

 Physalospora Ilicis. 

 Pilacre Petersii. 



ILEX VERTICILLATA(L.)Gray. 

 Phyllosticta Hynaldi. 

 Rhytisma Prini. 

 Trichothecium roseum. 



IMPATIENS BIFLORA Walt. {I. fidva.) 

 Septoria Nolitangere. 

 yEcidium Impatientis. 



