II' 'i: i h i ill 1:1 . 867 



Kmiiofer (La nda.fi. Jahrb. Schweiz, 19 (1905), Vo. '■>. pp. 596-598, dgm. 1). 



\ table is given showing the c position of the musl as regards sugar and acid 



eonteiil for each crop of grapes grown al the station since 1891. The data show- 

 thai as the percentage of sugar increased in favorable years, the acid eoutenl 

 decreased in similar manner. 



The Persian walnut, .1. G. Ruse i Inn. Rpt. Penn. Dept. [gr., 10 (1904), 

 pp. ."..;: 539). Must of the Persian walnuts grown in the Bast, the author states, 

 :,iv seedlings, h is only occasionally thai one of these seedlings is productive. 

 li is believed thai if seedlings are grafted from these productive sorts, the grew 



Ing of Persian walnuts would beco a profitable industry in tnanj eastern 



States. In tli<' author's investigati ilj I per cenl of the Persian walnul 



trees observed were worthy of propagation. 



Queensland nut, \Y. .1. Allen i \m. Gaz. \. 8. Wales, in (1905), Vo. 10, pp. 

 t026 1028, figs. 3) . Brief descriptive accouul of this nut, Uacadamia terni folia, 

 also known as Australian hazelnut. The illustrations show the general outline 

 i»i" Hie tree and the character of the frail al differenl stages of growth. 



Coleus with edible tubers, A. Chevalier and E. Perrot i I ' </. / tiles Afrique 

 Trop. Franc, I (1905), Vo. /. pp. 100 152, pis. 8, figs. 15). Descriptions are 

 given of 1 1 m * edible- species of coleus encountered in tropical Africa with illus 

 (rations of the plants and tubers and of cross sections of the tubers and of 

 the starches contained in the differenl species. 



It appears thai in the west and central portions of French Africa four species 

 of coleus are cultivated for their tubers. The mos1 prominenl of these is Coh us 

 rotundifolius or Madagascar potato. This species it appears is ;ils<> cultivated 

 ander differenl names in Java, Ceylon, and the Elasl Indies. There are a 

 number of varieties et* this species, r. dazo is also cultivated on a large scale 

 in Central Africa producing a tuber which differs considerably from the Mada 

 gascar potato and which it is believed is destined to take a prominenl pari in 

 i he future of tropical agriculture. 



A third species c. langouassiensis, cultivated locally in the vicinity, appears 

 to be the heaviest yielding of the three varieties noted. It is believed thai all 

 of these three species will prove of greal importance to Europeans living in 

 tropical countries. A minor species is C. brazzavillensis. Historical and botan- 

 ical descriptions are given of a number of other species of colons. Analyses 

 with reference to feed vahie are given for three of the most important species 

 with cultural suggestions. Yields of :*><» to l<> tons of tubers per hectare are 

 reported. 



Carnation breeding, II. F. Hall i Vmer. Florist, 26 (1906), Sfo. 921, pp. 6, 

 ?). — The season from October 15 to December 1 is considered the mosl favorable 

 for carnation breeding. Some varieties of carnations from which it, is difficult 



t<i obtain pollen have I n induced to produce pollen by growing them in pots 



in winter and keeping them rather dry. 



In transferrin- the pollen to pistils the host results have been obtained by 

 nsing a strip of ordinary blotting paper •"> or more inches long and aboul one 

 half inch in width, one end being cul with scissors to resemble a sharpened 

 pencil. The point, however, is slightly Huffed to enable ii to lake up and hold 

 the grains of pollen until lightly rubbed over the stigmatic surface of the pistil. 



The objects and plan of the Heeleaka Experimental Station, II. II. Mann 

 and C. M. Hutchinson (Indian Tea Issoe. [Pamphlet] .'. 1905, pp. 11, pis. 2). 

 An outline of the fertilizer, green manuring, pruning, and plucking experiments 

 which are being carried on under the direction of the authors al this tea station. 

 The station has been located al Heeleaka, near Moriari, Assam. 



