Mycotrophy — 201 — Bibliography 



(1937) : Le "Endogyne" quali produttivi di micorrize endotro- 



fiche nelle fanerogame alpestri. Nuovo Gior. Bot. Ital. 44:584-586. 



(1937) : Osservazioni e considerazioni sul fenomeno della 



micorriza al Piccolo S. Bernardo. Nuovo Gior. Bot. Ital. 44:587-594. 



(1942) : Ricerche sulla simbiosis micorrizica nelle Epatiche. 



Nuovo G. bot. Ital. n.s. 49(3/4) :362-382. 



Pfeffer, W. (1877) : Ueber fleischfressende Pflanzen . . . Landwirt. 

 Jahrb. 6 :969-998. 



Pfeiffer, N. E. (1914) : Morphology of Thismia americana. Bot. Gaz. 

 57:122-135. 



PijL, L. VAN DER (1934) : Die Mycorrhiza von Bnrmannia und Epirrhi- 

 zanthes und die Fortpflanzung ihres Endophyten. Rec. Trav. Bot. Neerl. 

 31 :761-779. 



PiROTT.'V, R. & A. Ai.BiNi (1900) : Osservazioni sulla Biologia del Tartufo 

 giallo (Terfezia Leonis Tul.). Atti d. R. Accad. d. Lincei 9:4-8. 



PiTTMAN, H. A. (1929) : Note on the morphology and endotrophic mycorr- 

 hiza of Ricanthella gardneri, Rogers, and certain other Western Australian 

 orchids. Jour. Roy. Soc. West. Austr. 15:71-76. 



Plotho, O. von (1941) : Die Synthese der Knollchen an den Wurzeln 

 der Erie. Arch. f. Mikrobiol. 12:1-18. 



PoLLACci, G. & V. Tredici (1936) : Sulla germinabilita asimbiotica dei semi 

 di orchidee. Atti 1st. Bot. Giov. Briosi e Lab. Critt. Ital. R. Univ. Pavia 

 8 :359-362. 



Porter, J. N. (1942) : Investigations on orchid mycorrhiza. Summ. Theses 

 Ph. D. Harvard 1940 : pp. 72-74. 



(1942) : The mycorrhiza of Zeuxine strateumatica. Mycologia 



34 :380-390. 



PosTHUMUS, O. (1937) : Some remarks on the vegetation on the sandy soil 

 of the Padang Loewai. . . . Proc. K. Akad. v. Wetensch. t. Amsterdam 40 : 

 505-512. 



PouLSEN (1886) : Bidrag til triuridaceernes Naturhistorie. Viden. Medd. 

 f. d. Naturhist. Foren. i. Kjobenhavn 8:161-179. 



Prat, Henri (1926) : Etude des mycorhizes du Taxiis baccata. Ann. d. 

 Sci. nat. Bot., X. 8: 141-163. 



(1934) : Les mycorhizes de I'if du Canada . . . Nat. Canad. 



6 :47-56. 



(1945) : Les gradients histo-physiologiques et I'organogenese 



vegetale. Contr. de ITnst. Bot. de I'Univ. de Montreal, No. 58, 151 pp. 



Preston, R, J. jr. (1943) : Anatomical studies of the roots of juvenile 

 lodgepole pine. Bot. Gaz. 104:443-448. 



Prillieux, E. (1856) : De la structure anatomique et du mode de vegetation 

 de Neottia Nidus-avis. Ann. d. Sci. nat., Bot., 4 me ser., 5 :267-282. 



Pyke, E. E. 1934 (1935) : Mycorrhiza in cacao. Ann. Rep. Cacao Res., 

 Trinidad, 4:41-48. 



Rawlins, T. E. & E. H. Smith (1925) : A mycorrhizal fungus found in 

 the smaller roots of celery. Phytopath. 15 :727. 



Rayner, M. C. & W. Neilson-Jones (1911) : Preliminary observations on 

 the ecology of Calluna vulgaris on the Wiltshire and Berkshire downs. New 

 Phytol. 10:227-240. 



(1915) : Obligate symbiosis in Calluna vulgaris. Ann. Bot. 



29:97-133. 



(1921) : The ecology of Calluna vulgaris, II. Jour. Ecol. 9:60-74. 



