INTRODUCTION. 



10. B. dulcis, -18°, 129, 10°,83; uninj., 16°,181, 285; B. 

 empetrifolia, 16°,181, 285 ; B. fascicularis, 256 ; B. fuchsioides, 

 207 ; B. glauca, 207 ; B. glauccscens, 207 ; B. glumacca (nervosa), 

 256; B. ilicifolia, 5°,207, uninj., 5°,203; B. Jaincsoni, 3°,166, 

 lO°-5,60, 187; B. japonica, -4°,278, -2°,266, -1°,284, O°,102, 

 302, 1°,304, 2°,216,284, 3°,241, 4°,35, 5°,222, 6°,286, 12,109, 

 (b. z.-OO), 1 (1), 2 (2), 4 (3), (P-H)°), 1 (1), 4 (2), 6 (3) ; 

 uninj., 4°,215, 3°,270, 12°,238, 22» 200,212,299, (1°— 10°) 6, 

 (11°— 20°) 8 ; B. Kuightii, 64,207 ; B. Lycium, 207 ; B. niacro- 

 phylla, 305 ; B. nepalensis, 299 ; B. Ncuberti, hyb., 3°, 166; B. pur- 

 purea, 181; B. Siraonsii aud vars.,-13°,129 ; B. stcnophylla, -7°, 

 99, -6°,89, 102; uninj., 1°,305, 7°, 125, 16°, 181 ; B. stolonifera, 

 232; B. virgata, 207; B. vulgaris, -11°,134, 2°2,273, 7°,125; 

 uninj., -9°,232, 1°,233, 3°,270, 4°,215, 5°,222, 9°,209,22*,200, 

 210,212,285, (1°— 10°) 10 ; (11°— 20°) 7 ; B. Wallichii, O°?102, 

 207; uninj., 14°,299, 16°,18'1. 



Betula (Birch), 7°,27. Biguonia, 10°,184, 12°,123; B. cap- 

 reolata, 16°, 62; uninj., 208 ; B. graudi flora, 1°, 31, 12°,148; un- 

 inj., 181; B. radicaus, O°?102. Biota (see Thuja) Meldensis, 

 0°,249; B. occidentals, 6°,303. B. oricntalis, -4°,278, -2°, 

 266, .lo f 46, O°?102,273,302, 3°,300, 6°,286, 6°'5,240, 6°9, 

 245, 10°,39, 12°,191, 106; B. o. vars., antarctica, 60; aurca, 0°, 

 38,102, 7°,101, 8°,37, 10°,83, 88°,6fi ; elegantissiina, O°?102, 3°, 

 246; falcata, lO o, 5,60; incurvata, lO o, 5,60 ; senipcraurescens, 

 -13°,294; uninj., -7°,290, 1°,233, 2°,2S4, 3°,270, 4°,215, ,5°,222, 

 9°,209,213, 22*121,200,246,254,299; vars., aurea, 22*; elegantis- 

 sinia, 17, &c, 39. Blackberry (see Rubus), Amer., 9°,95, (Bram- 

 ble) varieg., 129. Bocconia, 10°, 19. Bcehmeria, 22*62. Bol- 

 tonia, 16°, 181. Bomarea acutifolia, 5°,203 ; B. Salsilla, 8°, 65. 

 Borecole, var., -15°,314, -11°,90, -lO°,303, -2°,206, 0°,221,273, 

 1°,219, 3°,198,269, 4°(vars.),127,197, 5°,222, 7°,227, 53,122,254, 

 (b. z.-0°) 14 (1), 10 (2), 1 (3), (P-10°) IB (1),15 (2), 8 (3) ; 

 uninj., -2° (vars.) 301, 2°,216, 9°,209, 59,200, vars., of merit, 70, 

 301. Borya, 211. Boussiugaultia, 10°,63, 10; uninj., 14°,299. 

 Bouvardia, 18°, 10. Box (see Buxus semp.). Boykinia, 10°,19. 

 Bravoa, 10°,18. Bridoesia (Ercilla), 207; uninj., (m) 10°,19, 

 16°, 181. Brodiiea, 8°, 64. Broussonetia K;empferi, 19; B. papy- 

 rifera, 16°,187, 22* 109,212,223. Bruomansia lutea, 28; B. san- 

 guinea, O°,273,302, 8°,64, 28,220,254 uninj., 14°,29:», 18°,10. 



