XXXVII 



Parmentier, Recherches anatomi- 

 ques sur les Juglandacees. 54 

 Pavarino^ Intorno alla flora del 

 calcare e del serpentino. Terza 

 contribuzione: Intorno alla flora 

 del serpentino. 458 



Pax et Hojfmann, Euphorbiaceae 

 — Hippomaneae. 427 



PearsoUy List of the plants collec- 

 ted in the Percy Sladen Me- 

 morial Expeditions, 1908 — 9, 

 1910— II, September 1911, con- 

 tinued. , 31 



Petrak, Flora Bohemiae et Mora- 

 viae exsiccata. II. Serie. I.Abt. 

 Pilze. Liefer. XII- XIII. W. 

 551—650. 605 



Phillips, A contribution to the 

 knowledge of the South African 

 Proteaceae. N". I. 31 



, A list of the Phanerogams 



and Ferns coUected by Mr. P. 

 C. Keytel on the island of 

 Tristan da Cunha. 31 



, Contributions to the Flora 



of South Africa. W. I. 31 



Descriptions of new Plants 



from the Gift Berg Collected 

 by the Perc}^ Sladen Memorial 

 Expedition. 31 



, Note on a Leucadendron 



found on the cape Peninsula. 32 



Pilger, Ueber Plantago Sectio 

 Plantaginella Decne. 397 



Pittier, Malvales novae Pana- 

 menses. 685 



, New or notheworthy plants 



from Colombia and Central 

 America. 4. 189 



Planchon, Sur le Sarcaucolon 

 Patersonii Eckl. et Zeyh. au 

 point de vue anatomique et sur 

 la nature resineuse de son 

 ecorce. 54 



Podpera, Ergänzungen zur „Flora 

 der Hanna". 685 



Poeverlein, Die Utricularien Süd- 

 deutschlands. 397 



Pollacci, Aggiunte alla flora tici- 

 nese. 41^8 



Pool, A study of the Vegetation 

 of the sandhills of Nebraska. 283 



Popovici, Contribution ä la flore 

 de la Dobroudja. (Roumanie). 



398 

 Potonie, Illustrierte Flora von 



Nord- und Mitteldeutschland. 

 6. Aufl. I. Bd. Text. 2 Bd. 

 Atlas. 314 



Preicss, Versuch einer pflanzen- 

 geographischen Gliederung 

 Westpreussens. 398 



Price and Simpson, An Account 

 of the Plants collected by Mr. 

 M. P, Price on the Carruthers- 

 Miller-Price Expedition through 

 North-West Mongolia and Chi- 

 nese Dzungaria in 1910. 205 



ProchciBka, Naturschutz in Sach- 

 sen. 109 



, Naturschutz in Schweden. 



109 



Piille, Probleme der Pflanzen- 

 geographie. 605 



Radlkofer, Enumeratio Sapinda- 

 cearum philippinensium nova- 

 rumque descriptio. 189 



Rechinger, Standorte seltener 

 Pflanzen aus Oesterreich, nebst 

 einem Anhange, einige Stand- 

 orte ungarischer Pflanzen be- 

 treffend. 160 



Ridley, On a collection of plants 

 from GunongMengkiangLebah, 

 Selangor. 489 



Rigg, Notes on the flora of some 

 Alaskan sphagnum bogs. 459 



Rock, New species of Hawaiian 

 plants. 189 



Rolfe, Plantae Chinenses For- 

 restianae. Enumeration and De- 

 scription of species of Orchida- 

 ceae. 205 



Roschewits, Koeleria Askoldensis 

 Roschewi (nov. spec.) (Sectio 

 Caespitosae). 459 



Rostafinsky, Note sur le peuplier 

 d'Italie en Pologne. 605 



Rubel, Pflanzengeographische Mo- 

 nographie des Berninagebietes 



345 

 , The Forest of the Western 



Caucasus. 489 



Ruhner, Z,\yc Kenntnis der Gattung 

 Epilobium. 399 



Rudolf, Die Vegetationsverhält- 

 nisse der Insel Borkum. 685 

 Ruhland, Zur geographischen 

 Verbreitung der Eriocaulaceen. 



541 

 Rydberg, Phytogeographical Notes 



on the Rocky Mountain region. 



