. Carnegie Institution of Washington publication. BACTERIA IN RELATION TO PLANT DISEASES. Of the Japanese algae in this group the following, according to Rein (pp. 81-82), deserve special mention: (10.) G. cartilagincum Gail. (ir.) G. rigidiim Grev.; Jap. Tosaka-nori, , (i.) Chondrus ftinctatus Sur. (2.) Gigartina tenclla Harvey; Jap. Ogo. (3.) G. intermedia Sur. (4.) Gloiopeltis Kg. (Sfhaerococcus Ag.) (5.) 67. capillaris Sur.; Jap. Shiraga-nori. (6.) Gl. coliformis Ha™.; Jap. Kek'Kai. (/) Gl. iiitricata Sur.; Jap. Fu-nori. (8.) Gelidium contemn Lamouroux; Jap. Tokoroten-gus
. Carnegie Institution of Washington publication. BACTERIA IN RELATION TO PLANT DISEASES. Of the Japanese algae in this group the following, according to Rein (pp. 81-82), deserve special mention: (10.) G. cartilagincum Gail. (ir.) G. rigidiim Grev.; Jap. Tosaka-nori, , (i.) Chondrus ftinctatus Sur. (2.) Gigartina tenclla Harvey; Jap. Ogo. (3.) G. intermedia Sur. (4.) Gloiopeltis Kg. (Sfhaerococcus Ag.) (5.) 67. capillaris Sur.; Jap. Shiraga-nori. (6.) Gl. coliformis Ha™.; Jap. Kek'Kai. (/) Gl. iiitricata Sur.; Jap. Fu-nori. (8.) Gelidium contemn Lamouroux; Jap. Tokoroten-gusa. (a) (7. .-{inansii Lamour. confcrvoidcs A.; Jap. flabcllifonnis Harv.; cockscomb algx. (12.) Sfhaerococcus S'hiramo. (13.) Gymnogongrus Jap. IIome-iK>ri. (14.) G. japonicus, Sur.; Jap. Tsuno-mata. (15.) Kallyiiienia dcntata; Jap. Tosaka-nori. (16.) Porfliyra rulgaris Ag.; Jap. Asakusa- Fig. 30* Agar-agar is a neutral or nearly neutral substance which is converted by boil- ing with water into a stiff jelly that hardens in i per cent solution at 39° to 40° C., and is not easily liquefied either by the growth of organismsf or by heat less than that of boiling water. It is a kind of vegetable glue forming a good matrix for various nutrient substances. A chemical analysis by Karten (Descript. Cat. Int. Health, Exhib., London, 1884) gave the following proximate composition : per, cent nitrogenous matter (albumen [?]), per cent non-nitrogenous matter (evi- dently glue, the pararabin of Reichardt), per cent ashes, and per cent water. *FiG. 30.—Another form of agar-agar known to the Japanese as square " ; The bulk of this goes to Holland, where it is used for clarifying schnapps. Courtesy of Dr. Hugh M. Smith. The actual size of these sticks is about 10*4 by 2!^ by i% .inches. tMetcalf has described a bacillus which slowly softens it, and *he writer has observed similar Please note that these images are extracted fro
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