126 



Harper, Roland M[cMilIan]. The 

 Altamaha grit region in December. 

 Plant World Tucson Ariz. 15 1912 

 (241-248 with tables). [3200 8000 

 gh]. 78601 



A botanical cross-section of 



northern Mississippi, with notes on the 

 influence of soil on vegetation. New 

 York Bull. Torrey Bot. 01. 40 1913 

 (377-399 with pis.). [3200 SOOO gh]. 



7S()02 



Car-window notes on the 



vegetation of the Upper peninsula. 

 Rep. Michigan Acad. Sci. Lansing 15 

 1913 (193-198). [8000 gg]. 78603 



Five hundred miles 



through the Appalachian valley. Tor- 

 reya New York 13 1913 (241-245). 

 [3200 8000 gh]. 78604 



Taxodium L. C. Rich. 



[Revised.] In : Small, J. K. Flora of 

 the southeastern United States. New 

 York 1913 (36). [6500]. 78605 



Harrer, Franz. Entgegnung. [Nebst] 

 Antwort von [Franz Wilhelm] Neger. 

 Geist d. Ostens Miinchen 1 1913 (193- 

 195). [3200 mWdc]. 78606 



Die 50 jahrige Sequoia 



gigantea bei Apfeltrang. Natw. Zs. 

 Landw. Stuttgart 11 1913 (501-503). 

 [6500 8000 dc]. 78607 



Harris, J[ames] Arthur. The size of 

 the seed planted and the fertility of the 

 plant produced. Amer. Breed. Mag. 

 Washington 3 1912 (293-295 with 

 diagr.). [3440]. 78608 



Biometric data on the in- 



florescence and fruit of Crimnn loJigi- 

 folium. St. Louis Mo. Bot. Gard. Rep. 

 23 1912 (75-99 with tables diagrs.). 

 [1560 4410 4500]. 78609 



Hallett's method of breed- 



ing and the pure line theory. Amer. 

 Breed. Mag. Washington 4 19i3 (32-34). 

 [4600]. 78610 



Supplementary studies on 



the differential mortality with respect 

 to seed weight in the germination of 

 garden beans. Amer. Nat. New York 

 47 1913 (683-700 739-759 with ff. 

 tables). [4410]. 78611 



A quantitative study of 



the factors influencing the weight of the 

 bean seed. — I. Intra-ovarial correla- 

 tions. Bot. Centralbl. Dresden Beihefte 



Abt. 1 31 1913 (1-12 w. 4 pi). [3200 

 3450 1560 5400 2450]. 78612 



Harris, J[ames] Arthur. An illustra- 

 tion of the influence of substratum 

 heterogeneity upon experimental results. 

 Science New York (N. Ser.) 38 1913 

 (345-346 with fig.). [4410 3550.] 



78613 



Prolification of the fruit 



in okra, Hibiscus esculenlus. Torreya 

 New York 13 1913 (33-35). [1800 

 5400]. 78614 



Note on the Alpine 



dwarfing of the Polygonum Bistorta. 

 Torreya New York 13 1913 (182-184 

 Avithfig.). [3200 5400]. 78615 



Hart, E[dwin] B[ret], Humphrey, 

 G[eorge] C[olvin] and Morrison, F. B. 

 Comparative efficiency for growth of 

 the total nitrogen from alfalfa hay and 

 corn grain. J. Biol. Chem. Baltimore 

 13 1912 (133-153 with tables charts). 

 [3120]. 78616 



Harter, L[eonard] L[ee]. The foot- 

 rot of the sweet potato [caused by 

 Plenodomus destruens]. [With biblio- 

 graphy.] Washington U.S. Dept. 

 Agric. J. Agric. Res. 1 1913 (251-274) 

 f. 1 pis. xxiii-xxviii. [4050 7700]. 



78617 



and Field, Ethel C. Dia- 



porthe, the ascogenous form of sweet 

 potato dry rot. Phytopathol. Ithaca 

 N.Y. 2 1912 (121-124 with 4 ff.). 

 [7700 4050]. 78618 



A dry rot of sweet po- 

 tatoes caused by Diaporthe Batatatis. 

 Washington D.C. U.S. Dept. Agric. 

 Bur. PI. Ind. Bull. No. 281 1913 (1-38 

 with ff. pis. tables). [4050 7700]. 



78619 

 Hartley, C[harles] P[inckney]. Pro- 

 gress in methods of producing higher 

 yielding strains of corn. Washington 

 D.C. Yearbook U.S. Dept. Agric. 1909 

 1910 (309-320 with pis.). [4600]. 



78620 



et alii. Crossbreeding 



corn. Washington D.C. U.S. Dept. 

 Agric. Bur. PL Ind. Bull. No. 218 1912 

 (1-72 with tables diagrs. fig.). [3550]. 



78621 

 Hartley, W. J. On a violet colouring- 

 matter and its production by a certain 

 bacterium {^Bacterium violaceus vel B. 

 ianthinus]. Dublin Sc. Proc. R. Soc. 

 n.8. 14 1913 (63-73). [3120 7700]. 



78622 



