448 



EXPERIMENT STATION RECORD 



Plants— Continued . 



as affected by— continued. 



chromium compounds, (28) 730. 



climatic complexes and other external fac- 

 tors, (33) 221. 



coal tar dust, (28) 129. 



coal tar vapors, (29) 530. 



colored light, (29) 526. 



creatiniu, (26) 420. 



distilled water, (31) 730. 



electricity, (28) 428, 530; (40) 147, 

 424, 428, 429. 



environment, (25) 392; (33) 126. 



ethylene, (34) 626. 



formaldehyde, (26) 731; (29) 827. 



freezing, (33) 428. 



gas, (32) 524, 729; (33) 629; (3.5) 630; (37) 726. 

 727. 



graphite, (29) 19. 



guanidin, (28) 426. 



high temperatures, (29) 27. 



light, (29) ,52';. 



light intensity, (39) 225. 



lime and magnesia ratio, (2(i) 35. 



lithium salts, (28) 526. 



magnesium carbonate, (40) .326. 



manganese, (32) 129; (40) S20. 



manganese and copper sulphates, (27) 130. 



methylene blue, (28) 825. 



uaphthalin, (33) 523. 



narcotics, (27) 826. 



nucleic acid, (26) 814. 



one-sided fertilizing, (28) 624. 



oxalic compounds, (29) 49. 



plant metabolism products, (33) 825. 



potassium cyanid, (38) 855. 



radiant energy, (27) .521; (30) 431. 



radioactivity, (28) 529, 731; (.30) 30; (31) 129. 



radium, (27) 134; (36) 526. 



salicylic aldehyde, (33) 328. 



salt solutions, (29) 218. 



size of seed, (30) 725. 



smoke, (31) 521; (32) 524, 729; (33) 428, 629; 

 (35) 133. 



soil type, (28) .537. 



soot, (31) 827; (34) 154. 



stimulants, (27) 27. 



sulphur, (27) 27. 



sulphur dioxid, (35) 636. 



suppression of endosperm, (29) 629. 



tar coating, (32) 826. 



tarred roads, (27) 333, 635; (31) 827. 



tellurium, (31) 826. 



tobacco smoke, (26) 230; (27) 254, 830; (29) 

 30. 



ultraviolet rays, (27) 827; (33) 28. 



uranium and lead, (28) 731. 



various colors, (28) 36. 



wind, (30) 30, 354. 

 ash analyses, (27) 623. 

 assimilation — 



as affected by sunlight, (29) 26. 



experiments, (29) 732. 



in, (30) 332. 



of humus by, (27) 26. 



of mineral matter by, (26) 521. 

 assimilatory apparatus, (37) 222. 

 barium in, (30) 502; (36) 202. 

 beach, transpiration in, (27) 522. 

 behavior in unventilated chambers, (40) 326. 

 behavior of organic substances in, (39) 526. 

 betain in localization, (27) 203; (31) 108. 

 biology of, treatise, (30) 429. 

 blooming dates, (27) 240; (33) 825. 

 brachysm in, (32) 731. 

 bud sports in, (34) 740. 

 bulbous and tuberous, treatise, (26) 337. 

 calcium oxalate in, (39) 827. 

 calcium utilization by, (37) 631. 

 calcium-magnesium ratios, (39) 630. 

 carbohydrate economy, (37) 524. 

 carbon dioxid assimilation, (35) 633; (39) 225. 

 carbon nutrition of, (27) 525; (29) 28; (31) 426. 

 carotinoids in, (31) 803; (34) 627. 

 castration of, (31) 44. 

 certificated by Royal Horticultural Society, (31) 



340. 

 change of habitat with elevation, (39) 730. 

 chemical differentiation of species, (26) 106. 

 chemistry of, treatise, (30) 310. 



Plants— Continued. 



Chinese, in British Isles, (38) 39. 

 chloroform extract, (27) 500. 

 chlorophyll formation as affected by magne- 

 sium, (39) 827. 

 chlorophyll formation in, (31) 519, 520. 

 chondriosomes, (39) 332. 

 classification, (36) 411. 

 classification, scientific basis, (31) 804. 

 classification, treatise, (29) 216. 

 climatic change of habitat, (40) 616. 

 climatic index, (35) 732; (36) 824. 

 climatic injury to, (36) 431. 

 climatic relations, (29) 719. 

 climbing, treatise, (34) 741. 

 collecting, (29) 327. 

 collection and preservation, (31) 394. 

 colonial, breeding, (28) 736. 

 colonial, treatise, (33) 437; (36) 142. 

 coloration as affected by crossing varieties, (39) 



734. 

 composition as affected by — 



irrigation, (28) 229. 



salt solutions, (39) 630. 



sodium salts, (29) 419. 



soil fertility, (36) 622. 

 copper content, (37) 432. 

 correlation between — 



homologous parts, (37) 630. 



somatic characters and fertility, (32) 628. 

 creatinin in, (26) 419. 

 cruciferous, club root of, (26) 447. 

 cruciferous, Cystopus on, (26) 342. 

 cryptoganiic diseases, (39) 152. 

 cucurbitaceous, fungus disease affecting, (26) 



244. 

 cultivated- 

 determination of races, (28) 331. 



fruit and seed setting, (27) 329. 



of East Indies, treatise, (30) 697. 



relation to soil salts, (28) 426; (31) 627. 



variety groups of, (26) 43. 

 culture experiments, (26) 237. 

 culture in sterile media, (27) 333. 

 culture indoors, (32) 839. 

 culture, treatise, (28) 235. 

 cumulative influence of starvation in, (27) 636; 



(28) 331. 

 cyanogen formation in, (28) 527. 

 cyanogenetic, new, (39) 332. 

 dead, autolysis in, (28) 327. 

 dead, autolysis of proteins in, (27) 426. 

 deep-rooted, for grass land, (26) 734; (33) 431. 

 denitrification in, (29) 325. 

 desert- 

 as emergency feed, (40) 276. 



concentration of cell sap, (36) 823; (39) 29. 



cryoscopic determinations on tissue fluids, 

 (39) 29. 



deciduous rootlets, (27) 329. 



density of cell sap, (32) 34; (36) 327. 



of Mexico, (31) 132. 



osmotic pressure in, (33) 628. 



root habits, (26) 227, 728; (29) 626; (32) 429, 

 626. 



root systems, (26) 728; (30) 827; (39) 29. 



studies, (33) 221. 



vital statistics, (40) 129. 



water balance, (26) 530; (27) 29. 

 differential septa in, (26) 531. 

 dimorphism of chlorophyll grains in, (27) 427. 

 dioecious, change of sex ratios in, (36) 736. 

 direct absorption of acid solutions, (39) 525. 

 disease resistance in, (28) 639. 

 distribution, (28) 46; (31) 522; (36) 494; (39) 139. 

 distribution^ 



and climatic conditions in United States, 

 (28) 212. 



and diffusion of nutrients in, (27) 525. 



as affected by climatic gradient, (26) 821. 



as affected by sea water, (27) 527. 



by ocean currents, (38) 125. 



in glacial plunge basin, (40) 326. 



of aluminum in, (31) 129. 

 /S-enzyms in, (28) 503. 

 fat-soluble A in, (30) 61. 

 ions in, (29) 323; (30) 30, 31. 

 oxidases in, (27) 632; (31) 626. 



on desert mountains, (40) 129. 



relation to evaporation, (29) 826. 



