Begonia 



108 



Begonia ricinifolia, I, 106. 



— warszewiczü, I. 106. 

 Begoniaceae, I. 107. 

 Bellidiastrum Michelii, I. 57. 

 Berberidis (Aecidium), I. 15. 

 berberina (Lasioptera) , I. 56. 

 Berberis, I. 15. 



— vulgaris, I. 56; II. 139. 

 Beroliniensis {Bacillus), V. 38. 

 Bf;/a vulgaris, III. 152; V. 115, 280. 

 Betonica officinalis, I. 63. 



Betuia, I. 3, 32, 43. 

 5e/MZa alba, I. 44, 48, 75*. 



— lenta L., III. 325, 326. 

 Betulaceae, III. 326. 

 J5e/MZi [Phytoptus), II. 128. 

 beiulinum (Bursifex), I. 43. 



beijerincki ( ), IV. 136. 



Beijerinckii {Coryneum), I. 322, 324, 



330, 331-335, 341, 347, 348, 349, 352, 

 353, 354, 355*, 356*; IV. 267; V. 172. 



bicolor {Rhodites), I. 250. 



Billrothii {Ascococcus), V. 52, see also: 

 Bacillus herbicola. 



Biorhiza aptera F., I. 70, 145, 146, 147, 

 149, 151, 154, 155, 157, 159, 161, 174, 

 175, 178, 183, 184, 187, 192, 209, 212, 

 245, 268, 273*, 274*. 



— renum Hartig, I. 28, 135, 139, 142, 

 147, 152, 155, 157, 160, 161, 223-230. 



— terminalis [Atidricus terminalis, Ce- 

 cidomyia terminalis, Cynips terminalis, 

 Dryoteras terminalis. Ter as terminalis), 

 I. 21, 29, 48, 64, 66, 74, 77*, 132, 137, 

 142, 145, 146, 147, 150, 151, 154, 155, 

 157, 158, 159, 172-188, 196, 197, 205, 

 209, 214, 222, 261, 266, 268, 272*, 

 273*, 274*, 275; VI. 50. 



Biota, II. 285, 292. 



— meldensis, II. 285, 287. 



— orientalis, II. 283, '285, 287, 291. 



— orientalis decussata, II. 283, 285. 



— orientalis meldensis, II. 283, 285. 

 Blasia, II. 314. 



— pusilla, I. 1 1 ; II. 1. 

 Blastomyces, III. 345; V. 233, 234, 239, 



242, 259. 



— glutinis, III. 345. 



— granulosus, III. 345. 



— roseus, III. 345. 



Blastomycetes, III. 345; V. 233, 234, 239, 



242. 

 Blastophaga grossorum, I. 21. 

 Blechnum brasiliense, I. 302. 

 Bombycidae, I. 30. 



Bombyx Pini, I. 58. 

 Bostrichus, I. 62. 



— Kaltenbachii Bcé., I. 63. 

 Botryococcus, VI, 64. 

 Botrytis, V. 146. 



— cinerea Persoon, V. 172. 

 botularia (Cecydomyia), I. 56. 

 Botys dentalis Hb., I. 55. 

 bovis (Actinomyces), V. 157. 

 Brachyscelis Schrad., I. 2. 



— duplex Schrad., I. 39. 



— ovicola Schrad., I. 39. 



— pharetrata Schrad., I. 39. 



— pileaia Schrad., I. 39. 

 Bracon caudatus, I. 173. 

 Braconidae, I. 136, 173. 

 brandtii {Aulax), I. 253. 

 Brassica, I. 35; IV. 274. 



— campestris, I. 422. 



— Napus, I. 47, 58, 59, 62, 76*, 422; 

 II. 3, 5. 



— oleracea, I. 62, 312, 370; II. 3, 4; III. 

 333, 343. 



— oleracea acephala, I. 299. 



— oleracea var. Botrytis, II. 131. 



— Rapa, I. 422; V. 117. 

 Brassicae {Aphis), I. 35. 

 brassicae {Apion), I. 63. 

 Brassicae {Cecidomyia), I. 59; II. 5. 

 brassicaria (Ocyptera), II. 4. 

 Bromius obscurus L., I. 62. 

 Bromus, I. 401. 



— erectus, I. 3, 33, 45. 



— mollis, I. 3, 45, 401. 

 Bruchus Spartii Kirchn., I. 60. 

 Bryonia dioica, I. 51. 

 Bryoniae [Cecidomyia), I. 51. 

 Bryophyllum, I. 107, 108, 110. 



— calycinum, I. 107. 

 Bryum billardieri, I. 302, 303. 



— nutans, I. 302. 



buccalis {Leptothrix) , III. 68; V. 125. 



Buphthalmum, VI. 29. 



Buprestidae, I. 30. 



burgundus {Andricus), III. 201, 214, 215, 



216, 217, 221, 222, 232*; IV. 136, 137, 



138. 

 bursaria {Cecidomyia), I. 49. 

 bursarius [Pemphigus), I. 29, 35. 

 Bursifex Aceris Am., I. 41. 



— betulinum, I. 43. 



— Pruni Am., I.. 26, 42. 



— Pseudoplatani Am., I. 42. 



— Salicis Am., I. 42. 



butylicum {Amylobacter), V. 277, see also: 



