5400 



4C0 



Dicotyledons. 



Perredea, Pierre E. l'\ Com]-)arative 

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 C'heui. & Drug., London, 63, lUO:!, 

 (1^26-229, 39 figs.). 



Perriraz, P. Un hy bride d'Amycjdalu-'f 

 communis et Versica de provenance 

 valaisanne. Lausanne, BuL Soc. Sei. 

 iSIat., (s^r. 4), 39, 1903, (XXIX-XXX) ; 

 Arcli. Sci. Phys., Clejievc, (ser. 4), 15, 



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Pertz, D. F. M. On the distribution 

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 ]!ot., Oxford, 18, 1904, (053-054). 



Peters, Friedrioh. I'harmakologische 

 Uutersuchungen iiber CorydalisA\\n- 

 loide. Arch, exper. Path., Leipzig, 51, 



1904, (130-174). [Q 9130]. 



Pick, Charles H[orton]. Report of 

 the stale botanist, 1903 [including Fenno, 

 Fiank E, Supplementary list of ]ilants 

 of the Susquehanna Valley.] Albany 

 Ifniv., N.Y., Bull. St. Mus., No. 75, 1904, 

 (08, witli pi.). 22.8 cm. 



Pickering, ^Spencer W. The dTect of 

 grass on apple trees [as retarding 

 sirowth]. London, J. R. Agric. Soc., 64, 



1903, (305-370, 5 figs.). 



Pieters, Adriair Jolm and Charles, 

 Vera Katherine. Seed coats of certain 

 sjiecies of the genus Brassira. Wash- 

 iiigt.on, !).(!., Bull. U. S. Dept. Agric. 

 Div. Bol., No. 29, 1901, (19, with fig., 

 1 f»l.). 23 cm. 



_P[im], - A[xel]. Wiatm-'ia {Ghjc'ntp) 

 sinensis. Stockholm, Sv. Tradg.-ior. 

 'I'idskr., 1903, (71-75, with pi.). 



The genus l\U(]hec]xia. 



(f^wcd'ihh) Stockholm, Hv. Tnidg.-for. 

 Tidskr.. 1904, (2, with pi.). 



Pit, fl. La culture de la ramie. 

 (]Jollai)dais) Tcysinannia, Batavia, 15, 



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Pitsch, Otto. Resullat de la culture 

 •de divor«es varietes de jjomme de terre 

 . . . niollandais) ].,andl)ouwkun(lig 

 'riidscliriift, Groningen, 1904, (137-143). 



Pleijel, Carl. Geum hispidum Fr. x 

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 (Swcdiish) Bot! Not., Lund, 1903, (97- 

 101). 



Piowright, C. B. Lindroth's Classi- 

 fication of tlie Uredineae on the Um- 

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Pollard, Charles Louis. Cassia L 

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Family 11 [of Hypericales]. 



Violaceae DC. Violet family. In : 

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 805). 



Pollard, Evelyn W. A false Cuspai-ia 

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1 903, (235, fig.). 



Porret, Arnold. Quelques plantes du 

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 Geneve, Bui. Boissier, (s^r. 2), 3, 1903, 

 (052). 



Potter, M. C. On tlie brown rot of 

 the Swedish turnip, with a note on the 

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Praeger, R. Lloyd. Famil'ar British 

 wild flowers and tlieir allies. Know- 

 ledge, London, 26, 1903, (17-20, 5 figs. ; 

 05-'G8, 3 figs. ; 97-100, 6 figs. ; 101- 

 104, 4 figs. ; 193-190, figs. ; 243-240, 

 8 figs.). 



Prain, D[avid]. Some new plants 

 from Eastern Asia. Calcutta, J. As. 

 Soc. Beng., 73, pt. ii, 1904, (1 1-21). 



[Woodbiirniu^ an unde- 



scribed genus from Upper Burma. 

 Calcutta, J. As. Soc. Bang., 73, iit. ii, 



1904, (23-24, with 1 pi.). 



Prowazek, S. Variatiouskui-ven dcr 

 (\nttiiin\'(i Jdcea L. Natw. Wochenschr., 

 Jena, 19, 1904, (424-425). 



Pugsley, 11. W. A new Famaria 

 [F. occidentalis'i. J. Bot., London, 42, 

 1904, (217-220, pi. 402). 



Quehl, L. ]\[amillaria pnsiUa P. 

 DC. und ihre Abai-ten. Monatschi'. 

 Kakteenk., Neudamm, 14, 1904, (72-70). 



ManiiUayia iiniscta. Mo- 



natschr. Kakteenk., Neudamm, 14, 1901, 

 (128). 



Radlkofer, L[udwig]. Ueber Tonerde- 

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 Berlin, Ber. 1). bot. Ges., 22, l"904, (210 

 221). 



Sapindaceae. [In : Frag- 



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