19 



Bertrand, G. et Muttermilch. Sur 



Texistence d'une tryrosinase dans le son 

 de froment. Paris, C. R. Acad, sci., 

 144,(1285-1288). [6000 3120]. 35990 



Bertrand, Paul. Caraeteristiques 

 de la trace foliaire de YAnkyropteris 

 bibractpnsis. Paris, C. R. Acad, sci., 

 144, 1907, (1304-1306). [6700 1060]. 



35991 



. Principaux caracteres 



de la fronde du Stauropteri^ Oldhamki. 

 Paris, C. R. Acad, sci., 145, 1907, (147- 

 149). [6700 1060]. 35992 



Bertsch, Karl. Hiigcl- und Steppen- 

 pflanzen im oberschvvabischen Donau- 

 tal. Stuttgart, Jahreshefte Ver. Natk. 

 63. 1907, (177-196). [8000 dc 3200]. 



35993 



Besch, Joh. Nachtriige zur Flora 

 von Augsburg. Augsburg, Ber. natw. 

 Ver., 37, 1907. (278). [8000 rfc]. 35893a 



— Max Weinhart. Augs- 

 burg, Ber. natw. Ver.. 37, 1907, (283- 

 286). [0010]. 35994 



Bessey, Charles E[dwin]. The forest 

 trees of eastern Nebraska. Des Moines. 

 Proc. Iowa Acad. Sci., 13, 1906, (75-87. 

 incl. illus.). [8000^/]. 35995 



■ The structure and classifi- 

 cation of the Siphonales, witli a re- 

 arrangement of the principal North 

 American genera. Lancaster, Pa., 

 Trans. Amer. Microsc. Soc, 27, 1905, 

 1907, (47-62, with 1 pL). [7400 4700]. 



35996 



■ — • — Plant migration studies. 



Lincoln, Nebr., Univ. Stud., 5, 1905, 

 (11-37. incl. maps.). [3280]. 35997 



— — ■ A synopsis of plant 



phyla. Lincoln. Nebr.. Univ. Stud., 

 7, 1907. (275-373). [0030 5000]. 



35998 



— ■ ■ — Notes on spider-flowers. 



Plant World. Tucson, Ariz., 10, 1907, 

 (208-209). [5400]. 35999 



Report of the Botanist. 



Some agricultural pos.t;ibilities of western 

 Nebraska. Annual Report, Nebraska 

 State Board of Agriculture, Lincohi, 

 Neb., 1900, 1901, (75-116). [8000 gi]. 



36000 



— • Preliminary account of 



the i^lants of Nebraska wliich are 

 reputed to be poisonous, or are suspected 

 of being so. Annual Rejiort, Nebraska 



State Board of Agriculture. Lincoln, 

 Neb., 1901, 1902, (95-129, with text 

 fig.). [3120 8000 crt]. 36001 



Bessey, Charles E[dwin]. The distri- 

 bution of the native forest trees of Ne- 

 braska. Annual Report. Nebraska State 

 Board of Agriculture. Omaha, Neb., 

 1903, 1904. (255-280. with illus.). 

 [8000^/]. 36002 



. The grasses of Nebiaska. 



Annual Report. Nebraska State Board 

 of Agriculture. Lincohi. Neb.. 1904, 

 1905, (175-188). [6000 8000 gi]. 



36003 



The Carolina poplar. 



Annual Report, Nebraska. State Board 

 of Agriculture. Lincoln, 1906-7, 1907, 

 (201-210). [5400]. 36004 



Bessey, E. A. Spore forms of 

 Spe//a".inia ornata Sacc. J. Myc, 

 Columbus. Ohio, 13, 1907, (43-15, with 

 1)1.). [7700]. 36005 



Bessil. Une excursion algologique 

 aux environs de Saint-Vaast-la-Hougne 

 et de Barfleur. Paris, Bui. soc. hot., 

 54, 1907. (269-280). [7400 8000 dfl 



36006 



Bettels, Joseph. Die Kohlenhydrate 

 der Meeresalgen und daraus hergestell- 

 ter Erzeugnisse. Diss. Miinster i. W. 

 Hildesheim (Druck v. A. Lax). 1905, 

 (56). 22 cm. [3120 7400]. 36007 



Bettges, W. Zum Nachweis von 

 Sarcinen. Wochenschr. Brau., Berlin. 

 24, 1907. (149-152). [7700]. 36008 



Beusekom, J[an] van. Over den 

 invloed van wondprikl^els op de voi'- 

 ming van adventieve knoppen in de 

 hladeren van Gmtum Gnemon L. 

 [On the influence of woimd-stimuli 

 on the formation of adventitious buds 

 in the leaves of Gmtum Gnemon L.]. 

 Amsterdam. Versl. Wis. Nat. afd. K. 

 Akad. Wet.. 16, [1907], (93-108) 

 (Dutch) ; Amsterdam. Proc. Sci. K. 

 Akad. Wet.. 10, [1907], (168-181); 

 Nijiuegen, Rec. Trav. bot. Neerl., 4, 

 [19071, (148-17ir. with 3 pi.). (English). 

 [1060 3600 4200 6500]. 36009 



■ Onderzoekingen en be- 



schouwingen over endogene callus- 

 knopijen aan de bladtoppen van 

 Gnetum Gnemon L. [Recherches et 

 considerations sur des bourgeons ad- 

 ventifs endogenes qui se forment au 

 sommet des feuillcs du Gnetum Gnemon 



