SUBJECT INDEX 



515 



Seed— Continued. 



rooms, heating to destroy insects, (38) 241. 

 selection, (31) 226, 829. 

 selection — 



and testing, (36) 638. 



based on transparency, (30) 233. 



new basis for, (29) 516. 



notes, (26) 141. 

 setting by cultivated plants, (27) 329. 

 supply of United States, (39) 443. 

 tester, rag-doll, (39) 238. 

 testing, (27) 95, 142, 491, 840; (31) 43, 835; (35) 93, 



140; (39) 238, 847. 

 testing- 

 accuracy and uniformity of results in, (26) 

 200. 



at Danish Seed Control Station, (35) 452. 



international conference, (26) 44. 



key, (36) 338. 



methods, standardization, (31) 639. 



papers on, (39) 238. 



precipitin reaction, (28) 204; (29) 144. 

 tests, (36) 541. 



tests, variations in, (40) 145. 

 treatment, (26) 539; (27) 132; (39) 238, 248, 353, 



354, 363, 549, 851, 853. 

 treatment with bromin, (40) 443. 

 weight, relation to plant characteristics, (29) 522; 



(31) 824. 

 weight, relation to plant mortality, (31) 35. 

 Seeding— 



drill for nursery rows, (40) 228. 

 experiments, plat competition in, (39) 830. 

 fall, notes, (30) 197; (38) 95. 

 machine for garden or nursery planting, (27) 

 191. 

 Seedlings- 

 abnormal, notes, (30) J29; (36) 734. 

 artificial nourishment, (27) 730. 

 as affected by — 



electrical discharges, (28) 326. 



narcotics. (31) 730. 



radium rays, (27) 630. 

 damping-off, (37) 651. 

 damping-off, treatment, (30) 846. 

 fasciated, morphology and physiology, (27) 524. 

 mounting in culture solutions, (31) 426. 

 of trees and shrubs in France, (26) 642. 

 phototropic responses in, (33) 29. 

 Seeds- 

 abortive, position in pod, (40) 521. 

 absorption of toxic salts by, (37) 527. 

 Acacia, germination, (39) 226. 

 adulteration, (35) 140; (38) 343. 

 after-ripening studies, (29) 527. 

 analyses, (26) 739; (27) 39, 239, 342, 815; (28) 315, 



811; (29) 144; (32) 534; (35) 8. 

 and fruits, treatise, (27) 729. 

 and leaves, dietary relationship, (37) 264. 

 apparatus for sterilizing, (26) 32. 

 as aflected by— 



caffein, (27) 330. 



electrical discharges, (28) 326. 



electrolytes, (33) 727; (35) 332. 



pod position, (34) 134. 



poisons, (29) 529. 



Roentgen rays, (34) 334. 

 asepticizing, (28) 826; (29) 433. 

 awned grass, abnormal germination, (30) 633. 

 bent, characteristias, (39) 533. 

 bibliography, (29) 626. 



breeding and distributing by experiment sta- 

 tions, (26) 434. 

 buried, germination, (34) 832. 

 buried, vitality, (34) 732; (36) 330. 

 catalase and oxidase content, (40) 222. 

 chemical treatment, (29) 326. 

 cleaned, (39) 238. 

 cleaning, (40) 40. 

 cleaning and treating, (28) 536. 

 cleaning device, (39) 538. 

 copper determination in, (40) 807. 

 crop tests in Norrland, (40) 832. 

 delayed germination of, (26) 128; (34) 30. 

 determination of— 



germination energy of, (29) 538. 



life duration, (32) 221; (33) 128; (38) 822. 

 disinfection, (26) 820; (35) 444. 

 disinfection experiments, (31) 738. 

 disinfection with bromin, (37) 542. 



Seeds — Continued. 



dissemination by birds, (27) 549. 

 distribution, (28) 46, 488; (33) 694; (36) 494; (39> 



distribution by ocean currents, (38) 125. 

 distribution in Canada, (28) 638. 

 dormancy in, (36) 330; (39) 225. 

 edible and oil-producing, in West Africa, (36) 



611. 

 edible, of Guam, (28) 142. 

 effect— 



of drying on germination, (27) 201. 



of size on yield, (29) 632. 



of soaking in water, (40) 727. 



on size of fruit, (27) 231, 524. 

 ensiled, germination, (29) 741. 

 exportation from Sweden, (26) 436. 

 extracting establishment in Prussia, (27) 347. 

 factors affecting oil content, (32) 427. 

 forest, effects of environment, (28) 543. 

 forest, preservation experiments, (26) 51. 

 formation as affected by light, (29) 526. 

 formation of hydrocyanic acid in, (27) 132. 

 fruit, hydrocyanic acid content, (27) 11. 

 fumigating, (32) 650. 



garden, disinfection and fumigation, (40) 638. 

 garden, home production, (39) 444. 

 garden, saving, (38) 241. 

 germ plasm, modifj'ing, (39) 30. 

 germinating— 



as affected by electricity, (28) 732. 



carbon dioxid separation in, (28) 728. 



electrical resjionse, (38) 822. 



energy transformations in, (36) 525. 



enzymatic peptolysis in, (32) 130. 



hydrocyanic acid in, (35) 332. 



pentosan content, (29) 525. 



power of (31) 624. 



respiration, (27) 729. 



response to temperatures, (40) 222. 



value, electrical tests, (36) 732. 

 germination, (36) 338. 

 germination and purity tests, (27) 39, 643, 840, 



841; (28) 434; (29) 741; (30) 141; (32) 231. 

 germination as affected by — 



acids, (29) 26; (30) 521. 



carbon bisulphid, (27) 633. 



carbon dioxid, (31) 521; (32) 328. 



chlorids, (35) 423. 



color, (32) 144. 



depth of planting, (36) 437. 



different substances, (29) 421. 



electricity, (27), 231. 



electrolyte solutions, (29) 218. 



fertilizers, (29) 327. 



frost and light, (35) 632. 



green manure, (28) 816; (35) 24, 529. " 



hot water and mechanical treatment, (29) 

 740. 



hydrogen peroxid, (29) 844. 



light, (26) 820, 821; (28) 826; (29) 525, 526, 

 836; (30) 522, 531; (31) 222; (35) 222, 523; 

 (38) 127. 



manganese sulphate, (30) 332. 



metallic compounds, (29) 528. 



metallic salts, (39) 526. 



mucilage, (27) 427. 



naphthalin, (33) 523. 



nitrogenous products, (33) 825. 



Orwood, (28) 536. 



pressure, (35) 332. 



radioactivity, (29) 326; (30) 131. 



radium, (31) 821; (.34) 626, 730. 



Roentgen rays, (28) 128; (35) 436. 



salt, (32) 223. 



salt concentration, (39) 732. 



sulphuric acid, (27) 524; (29) 628. 



superphosphate, (31) 729. 



temperature, (26) 200, 821; (31) 222; (35) 222. 



thorium X, (29) 131. 



various solutions, (27) 330. 



volatile conifer products, (32) 618. 



warm water, (36) 430. 



weather, (38) 15. 

 germination- 

 experiments, (38) 441. 



in culture solutions, (31) 426. 

 electrolytes, (37) 431. 

 electrolytic solutions, (31) 427. 

 heated soils, (26) 640; (35) 722. 



