170 FORESTRY [Bot. Absts., Vol. V, 



1268. Legrand, L. Une conception biologique nouvelle de la cellule. [A new biological 

 conception of the cell.] Rev. Gen. Sci. Pures et Appliquees30: 13. 1919. — Nothing essentially 

 new, but a good review of the present situation. — G. J. Pcirce. 



1269. Mangenot, M. G. Sur revolution du chondriome et des plastes chez les Fucacees. 

 [The evolution of the chondriosome and of the plastids in the Fucaceae.] Compt. Rend. Acad. 

 Sci. Paris 170: 63-65. / fig. 1920. — In the apical cells of F. vesiculosus and F. platycarpus 

 mitochondria are to be found at some of the protoplasmic anastomoses in the cytoplasm, 

 while at other anastomoses small phaeoplasts appear and elsewhere in these cells there are 

 grains of fucosane. The adjacent peripheral cells also contain mitochondria, grains of fuco- 

 sane and phaeoplasts, the last named being larger, having more pigment and reacting in a 

 different fashion to the fixing solutions than those of the apical cell. Small phaeoplasts occur 

 not only in the apical cells, but also in the cells of the central axis cut off from the apical 

 cell on its proximal face and in the initial cells of adventitious shoots. The cells containing 

 small phaeoplasts are considered to be embryonal in character. — C. H. and W . K. Farr. 



FOREST BOTANY AND FORESTRY 



Raphael Zon, Editor 

 J. V. Hofmann, Assistant Editor 



1270. Adler, Friedrick v. d. Aus dem Kubani Urwald. [The Kubani virgin forest.] 

 Oesterreich. Forst.- u. Jagdzeitg. 38: 23. 1920. — A short popular description of an 80 hectar 

 area of virgin timberland in Bohemia. Trees 1 meter to 1.9 meters in diameter are found in 

 contrast to the small sizes generally found in cut over forests in the same region. — F. S. Baker. 



1271. Aguilar, R. H., The lumbang-oil industry in the Philippine Islands. Philippine 

 Jour. Sci. 14: 275-285. 1919. — Two kinds of lumbang nuts occur in the Philippines, lumbang 

 bato (Aleurites moluccana) and lumbang banucalag (Aleurites trisperma), but when the 

 word lumbang is employed it is taken to mean lumbang bato. The Bureau of Forestry is 

 encouraging planting of the trees so that a sufficient supply of raw material may be assured. 

 The nuts may be stored for a year or more without depreciable change. The oil is used in 

 the calking of vessels, manufacture of soft soap, and in the manufacture of paints. The ker- 

 nels may be separated from the shells and the oil expressed, or the whole nut ground up and 

 the oil separated. The former is slower and more laborious but furnishes a larger percentage 

 of oil and a cake of higher fertilizing value. The oil may be kept satisfactorily in copper 

 containers. — Albert R. Sweetser. 



1272. Ammon, W. Ueber die Pflicht zum Unterholt subventionierter Aufforstungs und 

 Verbauungs-Projekte. [The obligation to maintain subsidized forestation and construction 

 projects.] Schweiz. Zeitschr. Forstw. 71 : 105-114. 1920.— One of the difficulties in maintain- 

 ing a subsidized project is the change of ownership. When a change of title occurs the new 

 owner accepts the subsidy as an obligation and fulfills it in so far as it is compulsory. Under 

 the laws of Berne the acquisition of land carries with it the obligation to protect and continue 

 any subsidized project although other cantons do not adequately provide for change of title. 

 — A subsidy may consist of either a fixed sum or a per cent of the project undertaken. The 

 State or Canton must have preference in the arrangement because in the event of non-fulfill- 

 ment the project must be continued by the State or Canton. — Non-utilization of a tract for 

 timber production or grazing constitutes a non-fulfillment of a subsidy agreement and leaves 

 the present incumbent subject to a fine. — The regulations are still somewhat confused and it 

 is recommended that the obligations of the State and land owner be more specifically defined 

 and incorporated in the laws. — J. V. Hofmann. 



1273. Anderson, J. Ecuador contributes a wood that is lighter than cork. Sci. Amer. 

 122: 281. 2 fig. 1920. — Concerns Ochroma lagopus, balsa wood. — Chas. H. Otis. 



