JANUARY 1 TO DECEMBER 31, 194 9 



419 



Beet. See Beta vulgaris. 

 Belamcanda chinensis, 175044. 

 Belladonna. See Atropa belladonna. 

 Benincasa Mspida, 173839, 175015. 

 Berseem. See Trifolium alexandri- 



num. 

 Beta intermedia, 180812. 



lomatogona, 174057, 176871, 178835. 

 trigyna, 180813. 



vulgaris, 172729-172741. 173250- 

 173252, 173605, 173641, 173642, 

 173841-173844, 174058-174063. 

 174766, 174768. 174792, 175032, 

 175046, 175047, 175388, 175390, 

 175594, 175596-175601. 175985- 

 175996. 176421-176433, 176872- 

 176875. 177269-177275, 178237, 

 178836. 178837, 179173-179178. 

 179610, 179844, 179845, 18023S, 

 180409, 180410, 181011, 181683- 

 181685, 181715-181717, 181930, 

 182143-182145, 182852-182854, 

 183663, 184674, 184940-184947, 

 185469-185473. 

 vulgaris var. cicla, 176434, 177276, 

 179179, 179180, 181718, 181859, 

 181931, 182146, 183211. 

 Bignonia sp., 185696. 

 Bittervetch. Sec Lathyrus sativus. 

 Blackberry-lily. See Belamcanda 



chinensis. 

 Blueberry. See Vaccinium angusti- 



folium var. laevifolium. 

 Blnegrass, Canada. See Poa com- 

 pressa. 

 rough. See P. trivialis. 

 Boehmcriu nivca, 180018, 180033. 

 Bothriochloa intermedia, 173636-173638, 



174039-174042, 176409. 

 Bottlebrush, lemon. See Callistemon 



citrinus. 

 Boxelder. See Acer negundo. 

 Bracliiaria mutica, 184749. 

 Brachypodkim pinnatum, 172692, 

 185135. 

 sylvaticum, 172383, 173700. 

 sp., 174064. 

 Brassica, 184444-184451. 



campestris, 173864, 173868, 174796, 

 174804, 174808, 175077-175079, 

 175081, 175085, 175089, 175093, 

 179642, 181024, 182923. 183395. 

 184346. 

 campestris var. sarson. 173846- 

 173853, 174793-174794, 175048- 

 175031, 180261-180264. 180411- 

 180414, 181012-181016, 181018- 

 181023, 182918, 183019, 1831 11. 

 183390, 183391, 183917, 183918, 

 184344, 184345. 

 juncea, 172855-173857, 173859- 

 183861, 173870-173872, 174795, 

 175053-175057, 175100, 179850, 

 179854. 181017, 181025-181038, 

 183117. 184347, 1S4348. 

 leader, 177277. 



Brassica — Continued 



napus, 172384-172387, 175607, 

 175608, 176876, 178841, 179181- 

 179184, 182147. 

 nigra. 173869, 175071, 175602, 

 179633-179637, 179861, 180415- 

 180417, 181039, 183020. 

 oleracea var. botrytis, 172742, 

 173845. 179185, 179631, 179632, 

 180260. 181719, 181860, 183018, 

 183212-183214, 183392. 

 capitata, 172743-172753, 173643, 

 173854, 174065-174071, 174797, 

 175603-1 75606 . 1 76435-1 76443 , 

 176877, 176S78, 177278. 178838- 

 178840, 179186-179188, 180268, 

 180418, 180779, 180809, 181720- 

 181722, 181861, 181932, 182148- 

 182150, 182919, 183215. 183216, 

 183571, 184035. 

 gemmifcra, 181723. 

 gongylodes. 17385S, 177279, 



177280. 

 viridis, 174772. 

 rapa, 172754-172757, 173644, 173862, 

 173863, 174072-174076, 174798, 

 175058, 175059, 175098. 175609, 

 175610, 176444, 176445, 176879, 

 176880, 177281, 177282, 179189, 

 179638, 179639, 179862, 179863, 

 181724, 181725, 181862, 181906, 

 183572. 

 spp., 172758. 173865-173867, 173873- 

 173875, 174799-174803, 174805- 

 174807, 175060-175070, 175072- 

 175076, 175080, 175082-175084, 

 175086-175088, 175090-175092, 

 175094-175097, 175099, 175101, 

 176446, 176881, 176883-176885, 

 177283-177286, 178842, 179190- 

 179192, 179640, 179641, 179643- 

 179654, 179846-179849, 179851- 

 179853, 179855-179860, 180265- 

 180267, 180269, 180419-180422, 

 180810, 180811, 181040-181047, 

 181726-181728, 182151, 182152, 

 182920-182922, 182924, 183112- 

 183116, 183118, 1S3292, 183293, 

 183393, 183394, 183396, 183437, 

 183438, 183573, 183574, 183664, 

 183665, 183919-183921, 184290, 

 184452, 184453. 

 Briza spp., 177287, 177288. 

 Broadb Q an. S^e Vicia faba. 

 Bromegrass, smooth. See Bromus iner- 



mis. 

 Bromus brcvis, 175000. 

 catharticus. 185500. 

 inermis, 172388, 172391, 172393, 



172395, 172759-172761, 173645- 

 173652. 175338-175341. 178843, 

 178844. 



janonicus, 173724. 

 scoparius, 185147. 

 spp.. 172389. 1^390. 172392. 172394. 



172396, 172397, 173653-173^55. 

 175342, 175343. 184955. 185137- 

 185143. 



