450 



EXPERIMENT STATION RECORD 



Plants— Continued. 



light relations, photometer for study of, (39) 



524; (40) 521. 

 light rcfiuircmcnts, (27) 221. 

 ligneous, of Eritrea, (26) 643. 

 lower, protein synthesis in, (27) 226. 

 mangiinose in, (27) 830; (29) 28. 

 marine, tolerance to fresh water, (37) 431. 

 maturation in, (35) 131. 

 measurements of root systems, (28) 228. 

 medicinal, .see Drug plants. 

 Mendelian characters in, (28) 370, 531. 

 methods of sugar analysis, ^40) 30. 

 mineral nutrition, (28) 124, 127; (31) 221. 

 monocotylcdonous, embryology, (37) 127. 

 monoecious, evolution, (34) 225. 

 morphological and physiological characters, 



correlation, (36) 221. 

 mosaic diseases, (38) 48. 

 mutilated, regeneration, (38) 129. 

 mutual stimulation through roots, (30) 522. 

 mycotrophic, nutrition physiology of, (28) 430. 

 myrtaccous, possibilities of, (35) 141. 

 narcosis in, (27) 130. 

 natural selection in, (28) 430. 

 nematodes affecting, (26) 748; (28) 242; (36) 150. 

 new, at Kew, (34) 40. 

 new, notes, (27) 438. 

 new or noteworthy, from Colombia and Central 



America, (34) 827. 

 new or noteworthy, tests, (37) 143. 

 nitric salts in localization, (30) 30. 

 nitrification in, (34) 627. 

 nitrogen — 



assimilation by, (26) 32, 617; (28) 35; (31) 



223. 

 atmospheric, assimilation by, (35) 435. 

 formation by, (29) 133. 

 nutrition in, (29) 628. 

 percentage requirement, (40) 425. 

 permutite assimilation by, (29) 127, 517. 

 source for, (26) 723. 

 nitrous acid in sap of, (28) 429. 

 nonlegume, symbiosis with nodule bacteria, 



(37) 819. 

 notebook for study of, (35) 896. 

 nuclear chimeras, (39) 226. 

 nutrient solutions for, (36) 31; (39) 331; (40) 520. 

 nutritive exchanges in, (33) 425. 

 odorous principles, (40) 710. 

 of British Guiana, (40) 542. 



Colombia and Central America, (39) 433. 

 Connecticut Valley, Mass., handbook, (29) 



216. 

 Dade County, Florida, (31) 239. 

 District of Columbia, (40) 160. 

 lower California, (34) 827. 

 New Zealand, ecology, (27) 733. 

 New Zealand for North American gardens, 

 <\ 33) 842. 



Northern Nigeria, Hausa names, (38) 525. 

 sand dunes of Coos Bay, Oregon, (31) 744. 

 oil, culture and utilization, (33) 438. 

 oil producing, methods of variety testing, (26) 



436. 

 oil production in, (33) 629. 

 on saline soils, (40) 424. 

 origin and role of o.xalate of lime in, (27) 133. 

 origin of assimilated carbon in, (27) 227. 

 ornamental — 



breeding experiments, (27) 741. 

 bud variation, (37) 546. 

 crovfn rot of, (35) 754. 

 culture, (32) 839; (36) 535. 

 culture experiments, (27) 438; (28) 827; (30) 

 441; (31) 340; (32) 337, 540; (34) 231; (36) 

 137, 241; (37) 241; (38) 444; (39) 139, 444, 

 843; (40) 741. 

 culture in Arizona, (32) 232. 

 culture in bogs, (38) 447. 

 culture in Mexico, (34) 741. 

 descriptive notes, (34) 536. 

 diseases, (29) 242; (30) 240; (32) 344; (36) 



541; (38)252; (40)645. 

 faU V. spring planting, (26) 238. 

 for Florida, (34) 535. 



home planting, (34) 741; (39) 450. 

 latitude of St. Louis, (34) 439. 

 Maine, (35) 840. 

 Nebraska, (40) 340. 



Plants — Continued. 



ornamental— continued. 



for school grounds, (28) 694. 



unfavorable city conditions, (33) 442. 



growth in partially sterilized soils, (26) 

 815. 



heredity in, (28) 740. 



insects atfecting, (30) 240; (34) 651. 



manuring, (30) 445. 



native to United States, (34) 535. 



nematodes affecting, (34) 249. 



new insect enemies, (40) 753. 



of central Europe, handbook, (30) 742. 



of Mi.^.souii, (28) 439. 



of New Mexico, (29) 842. 



Siberian, (39) 244. 



sports of, (34) 639. 



tests, Alaska, (36) 443; (37) 142. 



treatise, (37) 145, 746. 



varieties, (27) 438; (30) 441; (32) 337; (34) 

 231. 



varieties for Illinois, (28) 437. 



variety tests, (40) 444. 



wild species, (39) 846. 

 oxidase activity, (37) 326, 429, 430. 

 oxidases in, (35) 130. 

 oxidation and reduction in, (38) 223. 

 oxidation ferments of, (33) 409. 

 oxidative changes in, (34) 731. 

 parasitic— 



and saprophytic, nitrogen content, (27) 526. 



arsenic content, (27) 830. 



effect on hosts, (28) 548. 

 parthenogenesis in, (30) 329; (34) 727. 

 pectin substances in, (40) 804. 

 pentosans in, studies, (27) 427. 

 pentose sugars in, (39) 224. 

 jserennial — 



branch development in, (32) 128. 



for southeastern Alaska, (33) 638. 



senile changes in leaves of, (32) 728. 

 periodicity in, (27) 522; (28) 435; (35) 632; (39) 



317. 

 periodicity of specific characters, (30) 224. 

 permeability in, see Permeability. 

 Philippine, propagation by cuttings and lay- 



erage, (34) 4,36. 

 phosphate nutrition of. (26) 622. 

 photosynthesis in, see Photosynthesis, 

 phototropic and geotropic reactions in, (35) 632. 

 phototropism, (39) 223, 826. 

 phylogenetic relationships, (33) 822. 

 physics of, (36) 107. 

 physiological characters of, (33) 629. 

 physiological functions, relation to weather 



factors, (39) 809. 

 physiology of heredity in, (34) 822. 

 plasmolytic phenomena, (39) 528. 

 poisoning by certain elements, (38) 628. 

 poisonous — see also Cattle, Livestock and For- 

 age poisoning, and specific plants. 



destruction, (26) 333. 



feeding experiments with, (33) 384. 



in Western Australia, (33) 846. 



manual and bibliography, (26) 327. 



notes, (20) 86; (35) 383; (38) 646; (39) 85, 

 433, 891, 892; (40) 182, 300. 



of California, (32) 778. 

 Colorado, (34) 576. 

 Idaho, (35) 383. 

 Kentucky, (32) 337. 

 Union of South Africa, (34) 241. 



on ranges, (32) 474; (35) 781; (39) 184, 386, 

 587, 787, 788, 886. 



to livestock in Great Britain, (37) 688. 

 pollen sterility in, (35) 731. 

 pollination, see Pollination, 

 polyembryony, (39) 527. 

 potassium in localization and function, (26) 



823. 

 potted, Sciara maggots on, (36) 460. 

 precipitin reaction of, (31) 733. 

 preparation and mounting, (34) 94. 

 production capacity, inheritance of, (33) 822. 

 protection against freezing, (27) 333, 524; (28) 



330, 630; (31) 34. 

 protection against termites, (27) 454. 

 protection, instruction in, (30) 395. 

 protective contents of, (26) 629. 

 protein assimilation in, (27) 525. 



