248 Kapitel VIII. Pilze. 



19827 Parker G. H. The morphology of Ravenelia glandulaeformis. 



19873 (19874) Passerini (i. Siilla Puccinia Lojkajana. 



'200G0 Patouillard X. Le genre Coleopuccinia. 



20092 — Cone de Pin deforme par Caeoma conigenum. 



.37733 Pavolini A. F. Svihippo dell' ecidio nell' Uromyces dactylidis. 



20197 Pazschke 0. Das Aecidium von Puccinia australis. 



20246 Peck C. H. A new Fern Rust. 



41584 Pedersen R. Berberisbusken. 



41948 Petch T. The genus RaveneHa. 



20663 Phillips W. Puccinia mixta. 



20761 Pieters A. J. The history of the Uredineae. 



20787 a (20789) Pirotta R. SuUa ruggine delle malve. 



20813 — Puccinia gladioli e Puccinie con parafisi. 



20889 (20895, 20897, 20927, 20928 a, 20942, 20943, 20970) Plowright 



C. B. Relationship of Aecidium berberidis to Puccinia 



graminis. 

 20891 — Germ.ination of the Uredines. 

 20893 (20894, 20910, 20935, 20936, 20945, 20947, 20948, 20953, 



20954, 20955, 20960, 20979, 20981) — Heteroecism of the 



Uredines. 

 20896 — Puccinia rubigo vera. 

 20898 — Podisoma juniperi and Roestelia lacerata. 



20900 — Autumnal Rusts of grasses. 



20901 — Classification of the U^redines. 



20902 — Aecidium von Puccinia arundinacea. 



20903 — British bramble Phragmidia. 



20904 — Aecidium ficariae. 



20905 — Aecidium quadrifidum. 



20906 (20913) — Mahonia aquifolia a nurse of the Wheat mildew. 



20914 — Life History of Aecidium rumicis. 



20915 (20920) — Aecidium ranunculacearum. 



20916 (20919, 37976) — Aecidium jacobaeae. 

 20918 (20921, 20922) — Aecidium bellidis. 

 20929 — Uredo, Puccinia and Aecidium. 

 20940 — Aecidiospores of Puccinia vincae. 

 20951 (20952) — Aecidium glaucis. 



20958 — Aecidium on Paris quadrifolia. 



