Hillier, H. G. 



1973. Hilliers' manual of trees & shrubs. 575 p., illus. A. S. Barnes, 

 South Brunswick. (A British manual first published 1972 by Davis & 

 Charles, Newton Abbot.) 

 Hoyt, Roland Stewart. 



1938. Check lists for the ornamental plants of subtropical regions. 383 

 p., illus. Livingston Press, Los Angeles, Calif. 

 Kelsey, Harlan P., and William A. Dayton. 



1942. Standardized plant names, second edition; a revised and en- 

 larged listing of approved scientific and common names of plants and 

 plant products in American commerce or use. Prepared for the 

 American Joint Committee on Horticultural Nomenclature by its 

 Editorial Committee. 675 p. J. Horace McFarland Co., Harrisburg, 

 Pa. 

 Lewey, Helen J. 



1975. Trees of North Central States: their distribution and uses. 

 USDA For. Serv. Tech. Rep. NC-12, 11 p. North Cent. For. Exp. 

 Stn., St. Paul, Minn. 

 Little, Elbert L., Jr. 



1953. Check list of native and naturalized trees of the United States 

 (including Alaska). U.S. Dep. Agric, Agric. Handb. 41, 472 p. (Out 

 of print. Revision in preparation.) 

 McCourty, Frederick, Jr., ed. 



1970. 1200 trees and shrubs — where to buy them. In Plants and Gar- 

 dens, vol. 26, No. 2, 96 p., illus. Brooklyn Botanic Garden, New 

 York. (Handbook No. 63.) 

 Mathias, Mildred E., and Elizabeth McClintock. 



1963. A checklist of woody ornamental plants of California. Calif. 

 Agric. Exp. Stn. Ext. Serv. Man. 32, 65 p. Berkeley. 

 Mattoon, H. Gleason, ed. 



1958. Plant buyer's guide of seed and plant materials in the trade. 6th 

 ed. completely revised. 298 p. Mass. Horticultural Society, Boston. 

 Moore, Harold E., Jr. 



1963. An annotated checklist of cultivated palms. Principes 7: 119— 

 182. 

 U.S. Department of Agriculture, Forest Service. 



1972a. State trees. FS-63, rev. 4 p., illus. Washington, D.C. 

 U.S. Department of Agriculture, Forest Service. 

 1972b. Seed and planting stock dealers: a directory of dealers that sell 

 the more common forest and shelterbelt seeds and plants. 26 p. 

 [Unnumbered publ. ] 



C. ATLASES 



Atlases, or publications composed of distribution maps, generally have 



