245 



r-ellegrin, Flran(,-ois]. Contribution a 

 J'otiicle de la ttore cle I'Afrique occitlen- 

 talc. Notulae system. Paris 2 1011 

 (<i2-81). [5400 8000/]. 07581 



Munronia nouveau do 



TAnnam. Notulae system. Paris 2 

 1911 (135-136). [.5400 8000 erf]. 



07582 



De quelques Strychno^s 



africains : Strychnos Icaja Baillon, 

 S. Dewevrei Gilg, S. Kipapa Gilg et 

 S. densiflora Baillon. Paris Bui. soc. 

 bot. 58 1911 (528-533). [5400 8000/]. 



07583 



Pellet et Fribourg. De I'alumine 

 dans les plantcs. Ann. sci. agron. 

 Paris-Nancy (scr. 3) 2 1907 (323-476). 

 [3120]. 67584 



Pellew, Miss Catherine v. Keeble, F. 



Pelourde, Fernand. Observations 

 sur quelques vcgetaux fossiles de 

 I'Autunois. Ann. sci. nat. (Bot.) 

 Paris (ser. 9) 11 1910 (261-271). 

 [6900]. 67585 



Remarques a propos de 



quelques Fougeres mesozoiqnes. Ann. 

 sci. nat. (bot.) Paris (ser. 9) 14 1911 

 (81-95). [6700]. 67586 



Pember, F. T. Fern collecting in 

 southern California. Amer. Fern J. 

 [Port Richmond N.Y.] 1 1910 (17-19). 



[6700 8000 r/i]. 67587 



A fern collector in 



Florida. Amer. Fern J. Port Rich- 

 mond N.Y. 1 1911 (45-48). [6700 

 8000 gK\. 67588 



Penau, Henry. Cytologie de Bacil- 

 lus anthracis. Paris C. R. Acad. sci. 

 152 1911 (617-619). [2640 7700]. 



67589 



Peneau, Henry. Cytologie de 



Bacillus megatherium. Paris C. R. 

 Acad. sci. 152 1911 (53-86). [2640 

 7700]. 67590 



Peneveyre, F. Anomale Entwick- 

 lung einer Platane. JVIitt. D. dendr. 

 Ges. Bonn 20 1911 [1912] (403-404). 

 [1800 5400]. 67591 



Pennell, Francis W. Flora of the 

 Conowingo barrens of south-eastern 

 Pennsylvania. Philadelphia Pa. Proc. 

 Acad. Nat. Sci. 62 1910 (559-598). 

 [3200 8000 (/;/ 6000]. 67592 



Pennell, Francis W. A new Genirdia 

 from New Jersey. Torreya Lancaster 

 Pa. 11 1911 (1.5-16). [8000 r/c^ 5400]. 



67593 



Some records from the 



Potomac district. Torreya Lancaster 

 Pa. 11 1911 (130-131). [8000 £7^]. 



67594 



Pennington, L[eigh] H. The effect 

 of longitudinal compression upon the 

 production of mechanical tissue in 

 stems. [With bibliography.] Bot. 

 Gaz. Chicago HI. 50 1910 (257-284 

 vdth text fig.). [2450]. 67595 



Upon assimilation of 



atmospheric nitrogen by fungi. [With 

 bibliography.] New York Bull. Torrey 

 Bot. CI. 38 1911 (135-139). [3060 

 3160]. 67596 



Pensa, Antonio. Alcune formazioni 

 endocellulari dei vegetali. (Con- 



siderazioni suUa derivazione dei cloro- 

 plasti e sui mitocondri delle cellule 

 vegetali.) Milano Rend. 1st. lomb. 

 (Ser. 2) 44 1911 (706-712); Anat. 

 Anz. Jena 39 1911 (520-532). [2780]. 



67597 



Peola, Paolo. La coltivazione 



deir olivo in valle d'Aosta. Malpighia 

 Catania 24 1911 (153-162). [5400 

 8000 dJi]. 67598 



Pepperberg, Roy V. Preliminary 

 notes on the Carboniferous flora of 

 Nebraska. Nebraska Geol. Surv. 



Lincoln 3 Pt. 11 1910 (311 330 pis. 

 1-12). [6500 6700 mOOgi]. 67599 



Perez, George V[ictor]. The ger- 

 mination of juniper seeds. Gard. 

 Chron. London (Ser. 3) 50 1911 (127). 

 [3750 6500]. 67600 



[Perfiljev, I. A.] nepcl^u.ibeBi,, II. 

 A. Maiepiajbi k-b cl[)jiop'fe BoaoroaCKOii 

 ryoepHiii. KaainiKOBCKiii yfesji-b. 

 [Beitrage zur Flora des Gouvemements 

 Vologda. Kreis Kadnikov.] Vologda 

 1911 (44). 26 cm. [8000 dba\. 67601 



Perkins, J[anet]. Einige neue 



asiatische Monimiaceen. Bot. Jahrb. 

 Leipzig 45 1911 (422-425). [5400 

 8000 eg]. 67602 



Proteaceae peruv. et 



boliv. (I. Urban : Plantae novae 

 andinae imprimis Weberbauerianae. 

 V.) Bot. Jahrb. Leipzig 45 1911 (434- 

 435). [5400 8000^/%]. 67603 



