218 



(Beitriige zur Flora Ton Afrika. 

 XXXV.) Bot. Jahib. Leipzig 43 190!) 

 <317-3i'5). [5^00 8000/]. 53308 



Pax, l*[ercliiiaiK]]. Eiu Fund alter Kul- 

 turpfiau/.en aus iSiebenbiirgen. Uuter 

 Mitwirkung von Kathe HoflFmann. Bot. 

 Jahrb. Leipzig 44 lUO'J (125-136). 

 {8000 JA-]. 53309 



Einige neue Eiipliorbia- 



ceen aus Amerika. (Origiualdiagnosen.) 

 Repert. nov. spec. xBgni veget. Berlin 

 8 1910 (lGl-162). [o400 8000 lih r//]. 



53310 



V. Cogniaiix, A. ; Lingels- 



Leim, A. 



Peacock, E[dward] A[drian] Wood- 

 ruti'e. Weather and plant distribution. 

 J. Bot. London 47 1909 (29-30j. [3200]. 



53311 



Followers of man. [Notes 



on the occurrence of certain plants in 

 Britain, witli comments by G. C. Druce 

 and E. S. Marshall.] J.' Bot. London 

 47 1909 (223-227 270-271 386-388). 

 [3200 8000 (/e 5400]. 53312 



Primus sirhiosa L. [with 



peduncles 2- or 3-tlo\vered]. J. Bot. 

 London 47 1909 (272). [1800 5400]. 



53313 



Heredity of acquired 



characttrs [in various British i^lants. 

 With an editorial note and a criticism 

 fcy E. Armitage]. J. Bot. London 47 

 1909(320-321354 446). [4410 8000 c?e]. 



53314 



Shunners of man. [With 



3-eference to the occurrence of certain 

 British plants.] J. Bot. London 47 

 1909(4.39-442). [3200 5000 8000 Je]. 



53315 



The rock-soil method and 



Balluta nigra Liini. in Lincolnshire. 

 Naturalist London 1909 (39-44). [3200 

 5400 8000 rfe]. 53316 



Pearson, A. H. Woolly Aphis. Gard. 

 Chron. London (Ser. 3j 46 1909 (234). 

 [4100 4.350]. 53317 



Pearson, H[ciiry] lI[arold] W[elch]. 

 A note on the nioi'phology of ('iidos])erm. 

 London Hep. Brit. Ass. 1908 [1909] 

 {914 j. [1560]. 53318 



A botanical journey in 



south-west Africa, (iard. Clhron. I,oudou 

 (Scr. 3) 46 1909 (369-370 101-402 414- 

 415 figs. 160 162 176-178 182-184). 

 ISQOO/efgl 53319 



Pearson, ll[enry] H[arold] W[elch]. 

 Further observations on Wehrhschta. 

 London I'hil. Trans. R. Soc. 200 1909 

 (331-402 pi. 22-30). [1500 2380 

 3500 6500 8000/^]. 53320 



• Percy Sladen Memorial 



Expedition in South-west Africa, 1908-9. 

 I-ll. Nature London 81 1909 (466- 

 467 499-500 4 figs, and 2 sketch-maps). 

 [8000 fe f<j]. 53321 



P[earson], K[arl]. Variability in 

 Shirley I'ojijiies [Paixirer RJioeas, var.] 

 from Pretoria. Biometrika Cambridge 

 7 1909 (227-230). [4500 5400 8000 

 fgl 53322 



Pearson, R. S. Light and shade. 

 Ind. For. Allahabad 34 No. 4 1908 (200- 

 218). [3200]. 53323 



Pease, Arthur Stanley. Certain rail- 

 road weeds of northern New Hampshire. 

 Rhodora Boston Mass. 11 1909 (30). 

 [8000 r/;y]. 53324 



A Junciis new to New 



England. Rhodora Boston Mass. 11 

 1909(31). [6000 8000 (/ff]. 53325 



Cryptogramma Steller'i in 



New Hampshire. Rhodora Boston 

 Mass. 11 1909 (64). [6700 8000 w]. 



53326 

 Peck, Charles H[orton]. Report of the 

 State botanist, 1908. [With biblio- 

 graphy.] Albany N.Y. Educ. Dept. 

 Mus. Bull. No. 131 1909 (1-202 with 

 col. pi.). [7700 8000 gg gd gl]. 53327 



New species of fungi. 



New York N.Y. Bull. Torrey Bot. CI. 36 

 1909 (153-157). [7700 8000 gf]. 



' "53328 

 [Pedanov, I.] IIe;tanoBTj, I. Kt 

 BOiipocy TiiriaxTj .irhconaca:K;teiiiii, bt. 

 cbh;jii CI. ii'luvOTopbiMii iiacjjnoAeiiiHMH, 

 KacaioiuiiMiior BoiiouiioBJieiiiH KanKaa- 

 CKOii cm B'l. .ihcax'i, 3ai{aHKa;n.H. 

 [Bestandestypen nebst einigen licobaeh- 

 tungen in botrelT der Erneuerung der 

 kaukasischen Fichto in den Waldern 

 Trauskaukasiens.] L6sn. J.urn. St. Peter- 

 burg 39 1909 (317-326j. [8000 dhd]. 



53329 



Pedersen, P. M. Fra Sondrup Banker. 



[Florislic notes from the Sondru]! hills.] 



Kjvibenhavn Flora og Fauna 1909 ( 1 2).. 



[8000 da]. 53330 



Fortegnelse over Svend- 



borgegncns Bladmosser. [Enumeration 

 of the mosses of the environs of Svend- 



