AMERICAN- GROWN 

 TREES 



Shrubs and 

 Plants 



(~)UR ability to supply 

 ^ trees, shrubs and 

 plants of the highest 

 quality is not curtailed 

 by the stoppage of for- 

 eign shipments. Buy 

 nursery stock grown at 

 Andorra. 



Andorra 

 Nurseries 



iVm. Warner Harper, Prop. 

 BOX 200 Our catalog 



Chestnut Hill 

 Phila., Penna 



Suggestions for 

 Effective Planting" 

 on request. 



FORESTRY SEEDS 



I OFFER AT SPECIAL PRICES 



Pinns strobus Picea Englemannl 



Pseudo-tsnffa Doug- Pieea Punt ens 



la -si Thuya Occldentalls 



1'inus Ponderosa Pinns taeda 



and many other varieties, all of this 

 season's crop and of good quality. 

 Samples upon request. Send for my 

 catalogue containing full list of varieties. 



THOMAS J. LANE 



TREE SEEDSMAN 

 Dresher Pennsylvania 



Orchids 



We are specialists in Or- 

 chids; we collect, import, 



grow, sell and export this class of plants 



exclusively. 

 Our illustrated and descriptive catalogue 



of Orchids may be had on application. Also 



special list of freshly imported unestab- 



lished Orchids. 



LAGER & HURRELL 



Orchid Growers and Importers 



SUMMIT. N.J. 



PRESERVE YOUR TREES 



We are Tree Expert, and our 

 workmen are Trained Tree 

 Surjeon in lie MILLANE 

 METHOD of carinr lor Tree, 

 thai have been neglected. Ask 

 oar representative to rubmit a 



The Millar* Tret Expert Company '^ n " J. " " ?." ?.' ><" 



r r ^ ' trees. Send for booklet Treej> 



131 Main St, M1DDLET0WN, CONN. The Care They Should Have." 



NUT CULTURE North South. Ea,t, 



West. All phaset 



diacusaed by experta. THE OFFICIAL JOURNAL. 

 $1.25 per year. Sample 16c. 



American Nut Journal *tf*f*"' 



CURRENT LITERATURE 



1917. Fighting forest fires, by A. L. 

 Dahl, p. 193, 200-1. 



Scientific American supplement, Oct. 6, 

 1917. Blister rust of the white pines, 

 by S. J. Record, p. 216-18. 



Scientific American supplement, Nov. 17, 

 1917. Annatto of commerce, by C. D. 

 Mell, p. 309. I 



Special libraries, Dec, 1917. Russian 

 scientific literature, by Raphael Zon, 

 p. 157-9. 



United States Dept. of agriculture. 

 Monthly weather review, July, 1917. 

 Some field experiments on evaporation 

 from snow surfaces, by F. S. Baker, 

 p. 363-6. 



United States Dept. of agriculture. Weekly 

 news letter. Nov. 28, 1917. Urged to 

 burn wood ; larger use of firewood in 

 northern and eastern states recom- 

 mended to supplement coal supply, p. 7. 



United States Dept. of agriculture. Weekly 

 news letter, Dec. 5, 1917. Black locust ; 

 considerable demand for this wood by 

 wooden ship industry; how to distin- 

 guish from honey locust, p. 8. 



World's work, Dec. 1917. Can we build 

 those ships in time? by Burton J. Hen- 

 drick, p. 172-86. 



Trade journals and consular reports 



American lumberman, Nov. 17, 1917. Lum- 

 bermen's regiment soon to go over- 

 seas, p. 55. 



American lumberman, No. 24, 1917. Water 

 power to conserve coal, by Gifford Pin- 

 chot, p. 29. 



American lumberman, Dec. 1, 1917. Pro- 

 tecting the bottoms of wooden ships, by 

 A. K. Armstrong, p. 52-3. 



American lumberman, Dec. 8, 1917. Ten 

 thousand soldiers to work in woods, 

 p. 42-3; British timber trade fights gov- 

 ernment control, by W. J. Drewry, p. 55. 



Canada lumberman, Nov. 15, 1917. The 

 wooden shipbuilding industry, p. 47; 

 Early days of Canadian shipbuilding, p. 

 48-9; Imperial munition board standard 

 ships, p. 50-2; Wooden shipbuilding in 

 British Columbia, by A. F. Menzies. p 

 53-7; Shipbuilding in the Maritime 

 provinces, by Elihu Woodworth, p. 58- 

 60; Quebec shipbuilding, past and pres- 

 ent, by George Gale, p. 61-3 ; Future of 

 shipbuilding in B. C, by John Eadie, 

 p. 63-4; The importance of Canadian 

 shipbuilding, by Edward Harper Wade, 

 p. 64-5; Wooden shipbuilding in New 

 Brunswick, by R. E. Armstrong, p. 

 66-7; Ship keels and other special tim- 

 bers, by Elihu Woodworth, p. 68-9; 

 Timber requirements of naval service, 

 by J. A. Wilson, p. 70; Newfoundland 

 shipyards busy, by J. W. McGrath, p. 

 70-1 ; How modern wooden ships are 

 constructed, by H. Cole, p. 72-77. 



Engineering and contracting, Nov. 28, 1917. 

 Density factor safe guide to strength of 

 structural timbers, by Sanford M. Zel- 

 ler, p. 437-8. 



Engineering and mining journal, Dec. 8, 

 1917. Economic importance of wood 



61 



Uk 



TREE 

 SEEDS 



VERY one is in- 

 terested in trees 

 in some way or 

 a n o t h e r f or food, 

 shade, beauty, or utili- 

 tarian wood. 



Thorburn's tree seeds 

 are of the very finest 

 grade. They are de- 

 veloped and sorted with 

 the utmost care and by 

 using them you will be 

 able to grow splendid 

 trees for the lawn, the 

 golf course, the or- 

 chard, or the mill 

 trees that will be all 

 that you can desire. 



Order Thorburn's, famous 

 for over a century for 

 quality. 



Today send for oar 

 latest catalog. Sent 

 free on request. 



J.M.Thorburn&Co. 



ESTABUSHED 1802 



53-55 S. Barclay Street 



through to 



54 Park Place NEW YORK 



