670 EXPERIMENT STATION RECORD. 



The author thinks that glutamin jjlays a role similar to that of aspara- 

 giu iu the plant, and that it is stored up in a similar way and for the 

 same purpose. 



Concerning a new conidial form of Chaetoniiuni, E. Boulanger (Bev. f/en. Bot., 

 9 {1S97), Xo. l,i)p. 17-2G.pl8. 3). 



Investigations on the systematic anatomy of the Betulaceae and the Cory- 

 lace« ( Thesis, Genoa, 1896; ahs. in Bot. Cenibh, 69 [1897), No. 4,pp. 118, 725).— Anatom- 

 ical characters are given for the recognition of the different genera of these families. 



Comparative anatomy of Echinocactus, Mamillaria, and Anhalonium, P. 

 MiCEiAELis (Iiiaiif/. Diss. Erlanfien, 1896, p)p. 38; abs. in Bot. Centbl., 69 {1897), No. 5, 

 p. 145). 



Concerning the alkaloids of Lupinus albus and L. angustifolius, L. S. Davis 

 {Inaug. Diss. Marburg, lS96,pp. 666; abt^. in Bot. CenibJ. Beihefte, 6 {1896) No. 6,])p. 454, 

 455). 



Concerning the seed coats of Solanaceae, C. Hartwich {Festschrift Naturf. Ges. 

 Zurich, 1896, II, pp. 366-382, pi. 1). 



Investigations on the extent of the assimilatory tissues of plants, E. Blohm 

 {Inaug. Diss. Kiel, 1896, pp. 44). 



On the osmotic pressure in the cells of leaves, II. H. Dixon {Proc. Boi/. Irish 

 Acad., ser. 3, 4 {1S96), pp. 65-73). 



Concerning the changes in the protein in germinating conifer plants vrhich 

 contain nitrogen compounds, E. Schulze {Ztschr. physiol. Chem., 22 {1896), No. 4-5, 

 pp. 435-448). 



Concerning the influence of temperature on the osmotic processes of the liv- 

 ing cell, G. Krabbe {Pringsheim's Jahrb. wiss. Bot., 29 (1896), No. 3, pp. 441-498). 



The influence of intense light on the cell division of Saccharomyces cere- 

 visiae and other yeasts, W. Lohmann {Inaug. Diss. Bostock, 1896; abs. in Centbl. Bakt. 

 unci Par. AUg., 2 {1896), No. 25-26, pp. 797, 798). 



Comparative studies on the poisonous effect of various chemical substances 

 on algae and infusoria, T. Bokgrny {Arch. ges. Physiol., 64 (1896), p. 262; abs. in Bot. 

 Centbl, 69 {1897), No. l.pp. 25-27). 



Changes in cell organs of Drosera rotundifolia produced by feeding ^vith egg 

 albumen, I>ily Hi.ne (Quart. Jour. Micros. Sci., 39 {1897), No. 4, pp. 387-425, pis. 2) 



The function of potash in assimilation in the plant organism, Mittelstaedt 

 {Neue Ztschr. Euben:. Ind., 37 {1896), p. 93; abs. in Chem. Ztg., 20 {1896), No. 74, 

 Repert.,p. 235). 



Concerning positive and negative heliotropism, F. Oltmanxs {Flora, S3 {1896), 

 No. 1). 



The biology of pollen, A. Hansgirg {Oesierr. Bot. Ztschr., 47 {1897), No. 2, pp. 

 48-52). 



Concerning spore dissemination by rain, K. Gobel {Flora, 82 {1896), No. 4). 



Preliminary report on the spermatazoids of Cycas revoluta, S, Ikeno {Hot. 

 Centbl., 69 {1897), No. 1, p>p. 1-3). — The nnthor claims to have observed spermato- 

 zoids in the pollen tubes of Cycas revoluta. 



Notes on the flowers of crucifers, E. MARcnANi) {Bui. Soc. sci. nat. Vouest 

 France, 6 {1896), No. 3, pp. 159-171, pi. 1). 



Plants as irritable organisms, .J. B. Farmer {Bui. Pharm., 11 {1897), No. 1, 

 pp. 22-24). — A semipopular lecture on plant response to stimuli. 



Note on "double rice," D. Prain {Proc. Asiatic Soc. Bengal, 1896, No. 4, pp. 65, 

 66, pi. 1). — Notes are given of a sport of rice, which normally produces two, some- 

 times three, grains instead of the usual one to the flower. This is brought about by 

 a proliferation in the gynrecium without any other abnormality in the flower. In 

 the gynajcium of over 150 flowers examined there were from 4 to 7 ovaries present. 

 The sport is said to come true to seed. 



