Pilostylus 



132 



Pilostylus Hausknechtii Boiss., I. 15. 

 pilosus (Andricus), I. 155, 222, 223, 235, 



238; III. 211, 213. 

 pilosus (Gymnetron}, I. 63. 

 Pimpinella magnet, I. 34. 



- Saxifraga, I. 60, 379. 

 Pimpinellae (Cecidomyia}, I. 60. 

 Pimpla calobata, I. 173. 



- caudata, I. 173. 

 Pinus, I. 32; II. 292. 



-canariensis, II. 288, 289, 291, 292. 

 -Pinea, II. 288, 289, 291, 292; VI. 29. 

 -sylvestris, I. 14, 46, 57, 58; II. 289; 

 VI. 33. 



- Weymouthii, I. 14. 

 Pisi (Cecidomyia}, I. 23. 

 Pissodes, I. 57. 



- notatus, I. 57. 

 Pistacia, I. 22, 37. 



- Lentiscus, I. 33, 37. 



- Terebinthus, I. 36, 37, 56. 

 Pistaciae (Agromyza), I. 56. 



Pisum, I. 23: II. 159, 165, 168, 179; III. 



50; V. 266, 267, 268. 

 -sativum, II. 186*, 187*; III. 139, 343, 



344. 



Planosarcina, IV. 87, 96. 

 -uveae, (Urosarcina}, IV. 87, 91, 95*, 



103*. 

 Plantago lanceolata, II. 139. 



- major, I. 63. 



- maritima, I. 63. 

 Plasmodium, II. 3, 4. 

 Platycerium Willingkii, I. 371. 

 Platymesopus erichsonii, I. 173. 

 Plectridium pectinovorum, IV. 216, see 



also: Granulobacter pectinovorum,. 

 Pleospora, I. 348, 349, 350. 



- gummipara, I. 322, 345-354, 356*, 

 357*. 



Pleurococcaceae, II. 301, 302, 311. 

 Pleurococcus, II. 301, 308, 316; III. 23, 



25, 294, 295; IV. 379; V. 81. 

 -vulgaris Menegh, II. 227, 297; III. 



23, 24, 293-296; IV. 118; V. 41, 288. 

 pleur-ostigma (Ceutorrhynchus), II. 4, 5. 

 plicatrix (Cecidomyia}, I. 48. 

 Plumbaginaceae, III. 152. 

 Plymouthii (Bacillus}, V. 38, 45. 

 Poa, I. 395, 397, 401; II. 129. 



- annua, I. 18; II. 139. 



- nemoralis, I. 6, 23, 61, 386-399*, 400*; 

 II. 129; V. 256. 



-pratensis, I. 392; II. 139. 



- trivialis, I. 392. 



Poae (Cecidomyia}, (Cecidomyia grami- 

 nicola}, I. 6, 23, 61, 386, 389-392, 

 399*, 400*; II. 129; V. 256. 



Podostemaceae, I. 374, 383. 



politus (Cynips}, IV. 136. 



Polycera (Cynips}, I. 73, 150, 237; IV. 137. 



Polycoccus punctiformis Ktzg., II. 318. 



Polygala Baldwini, III. 326. 



- calcarea, III. 326. 



- depressa, III. 326. 

 -javana, III. 326. 



- oleifera, III. 326. 

 -senega, III. 326. 



- serpillacea, III. 326. 



- variabilis, III. 326. 



- vulgaris, III. 326. 

 Polygonaceae, III. 152. 



Polygonum, III. 334, 335, 339, 342, 345, 

 348, 349, 350; IV. 4, 



- amphibium, I. 55. 



- aviculare, I. 6, 61; III. 343. 

 -bistorta, III. 343; IV. 17. 



- Fagopyrum, III. 152, 343. 



- Persicaria, I. 55, 267; III. 343. 



- sacchalinense, III. 343. 



- tinctorium, III. 330, 333, 335, 337, 

 338, 339, 340, 341, 343, 347, 350; IV. 



3, 29, 31, 101. 

 polylineatus (Apion}, I. 60. 

 polymorpha (Cecidomyia}, I. 24. 



poly my xa (Bacillus}, (Bacillus asterospo- 

 rus, Bacillus macerans, Bacillus sola- 

 niperda, Clostridium polymyxa, Gra- 

 nulobacter poly my xa}, III. 66, 68, 71, 

 84, 95, 99, 320; IV. 148, 149, 150, 

 155, 164, 167, 171, 172, 177, 178, 216, 

 217; V. 4, 94, 108, 256; VI. 9-15. 



polymyxa (Clostridium}, VI. 9-15, see 

 also: Bacillus polymyxa. 



polymyxa (Granulobacter}, III. 68, 71, 

 84, 95, 99, 320; IV. 148, 149, 150, 155, 

 164, 167, 171, 172, 177, 178, 216; V. 



4, 108; VI. 9-15, see also: Bacillus 

 polymyxa. 



polymyxa var. mucosum (Granulobacter}, 

 IV. 148, 149, 166, 167, 171, 177. 



polymyxa var. teneix (Granulohacter}, IV. 

 148, 149, 167, 171, 177. 



Polypodium vulgare, I. 302, 310. 



Polyporus igniarius, I. 330. 



Polysaccharomyces, III. 12, 182. 



Polytoma uvella, II. 315. 



Polytrichum, VI. 35, 36. 



- commune, VI. 36. 



- formosum, I. 302. 



