253 



Poeverlein, Hermann. Beitrage ziir 

 Flora der bayerischen Pfalz. III. Miin- 

 chen, .Mitt. bot. Ges., 2, 1907, (43-4.5). 

 [8000 dc]. 40380 



Poggio (Di), Ernesto. Le piante 



fo.s.sili. Elementi di Paleofitologia. 



Torino (Unione tip. editrice), 1906, 

 (200). 25 cm. [0030]. 40361 



[Pohle, RichaidE.] ITo.ie, P. Ma- 

 Tepia.iu ji,ja (}),'iopLi ctBepHofi Pocciii. 

 [Beitrage zur Kenntnis der Flora von 

 Nordrussland.] St. Peterburg, Bull. 

 Jard. bot., 7, 1097, (27-38, deutsoh. 

 Res. 3G). [8000 dba]. 40382 



— Vegetationsbilder aus Nord- 

 russland. (V'egetationsbi'der, hrsg. v. 

 G. Karsten und H. Schenek. Reihe 5. 

 H. 3-5). Jena (G. Fischer), 1907, (15 

 Taf., mit Erlauterungen). 31 cm. 



[8000 db 3200]. 40383 



Poisson, Henri. Notes sur quelques 

 monstruosites vegetales (fasciations) 

 observees au Laboratoire de culture en 

 1906. Bui. Museum, Paris, 1907, (172- 

 175). [1800] 40384 



Note sur des fruits 



d' Ananas fascies. Paris, Bui. sec. bot., 

 53, 1906, (293-294). [6000 1800]. 



40385 



Note sur un Platycerium 



hiforine a feuilles toutes fertiles. Paris, 

 Bui. soc. bot., 54, 1907, (108-110). 

 [6700 1660]. 4038G 



V. Costantin. 



Poisson, Jules. Empoisonnement des 

 plantes. Monde des plantes, Le ]Mans, 

 1906, (39). [0060]. 40387 



Pokorny. Naturgeschichte des Pflan- 

 zenreiches fiir hohere Lehranstalten. 

 Bearb. von Max Fischer. 22. Auil. 

 Leipzig (G. Freytag), 1907, (VI + 284, 

 mit 36 Taf.). 23 cm. Geb. 4 M. 

 [0030]. 4038S 



Pole, Thomas. New (?) orchid [Scra- 

 pias cordigera alba] on the French 

 Riviera. Nature Notes, London, 1907, 

 (157). [8000 df]. 40389 



Pole Evans, I. B. Note on Fusicla- 

 dium : affecting apples and pears in the 

 colony. Cape Town, Rep. S. Afric. 

 Ass., 1906, 1907, (266-268). [4050 

 8000 fg]. 4U390 



Polenski, Eduard. Leistungsfahig- 

 keit der Alkoholhefe. [Brennerei.] Al- 

 kohol, Berlin, 15, 1905, (18). [3100]. 



40391 



(M-10515) 



PoUacci, Gino. Influenza dell'elet- 

 tricita suirassimilazione elorofilliana. 

 Pavia, Atti. 1st. bot., (Ser. 2), 11, 1906, 

 (303-306). [3050]. 40392 



— • ■ — ■ Nuovo metodo per la con- 



servazione di organi vegetali. Pavia, 

 Atti 1st. bot., (Ser. 2), 11, 1906, (308- 

 309). [0060]. 40393 



. — • Sopra i metodi di ricerca 



quantitativa dell'amido contenuto nei 

 tessuti vegetali.. Pavia, Atti Ist. bot., 

 (Ser. 2), 11, 1906, (351-360). [3120]. 



40394 



PoUak, Alfred. Die starkeabbauen- 

 den Enzvme im Griinmalze. Wochen- 

 schr. Brau., Berlin, 21, 1904, (317-319). 

 [3100]. 40395 



— • • Triebkraf tbestimmung der 



Hefe und Einwirkung von Backhilfsmit- 

 teln auf die Teiggarung. Zs. Spiritlnd. , 

 Berlin, 27, 1904, (125-126). [3100]. 



40396 



— • — ■ — ■ — • Die Bestimmung der dia- 

 statischen Wirksamkeit enzymatischer 

 Praparate. Zs. Unters. Nahrgsmittel, 

 Berlin, 6, 1908, (729-733). [3100]. 



40397 



PoUak, J[acques]. Ueber Elaterin. 

 Berlin, Ber. D. chem. Ges., 39, 1906, 

 (3380-3382). [3120]. 40398 



Pollard, Charles Louis. The museum 

 and library of theStaten island associa- 

 tion of arts and sciences. Torreya, New 

 York, N.Y., 7, 1907, (162-164^. [0060]. 



40399 



Pollock, Ja[mes] B[arkley]. Notes on 

 Ganoderma sessile Murrill. — ^Its varia- 

 tion from the original descrii^tion and 

 possible parasitism. Lansing, Rep. 

 Mich. Acad. Sci., 7, 1905, (5.3-54). 

 [7700]. 40400 



■ A canker of the yellow 



birch and a Nectria associated with it. 

 Lansing, Rep. Mich. Acad. Sci., 7, 

 1905, (55-56). [4050]. 40401 



— A species of Hormoden- 



drum on Araucaria. Lansing, Rep. 

 Mich. Acad. Sci., 7, 1905, (56-57). 

 [7700]. 40402 



— — — ■ — • Some physiological varia- 

 tions of plants and their general signifi- 

 cance. Lansing, Rep. Mich. Acad. Sci., 

 9, 1907, (35-42). [4500]. 40403 



— ■ ■ — • Some physiological varia- 

 tions of plants, and their general signifi- 

 cance. [Presidential address delivered 



