\\\ 



BOTANIQUE. 



PoLY(iOMM. I, 327, 349: IX, 85, 124; X, 

 d03, 104, 174, 184. 185, 250; XI, 250. 

 335, 337; XII, 35, 345: XX, 207. 



POLYLOPHOSPEBMUM. II, 2'J8. 



POLYOCHNELLA. XVI, l'J6, 347; XVIII, 4, 



40, 41. 

 POLYOCHNELLE. XVI, 347: XVIII. 40. 



POLYOURATEA. XVI, 1!>2, 268. 

 POLYOIRATÉE. XVI, 268. 



PoLYPOi.iACÉES. IX, 303, 30!): XIV, 258. 



POLYPODIÉES. IX, 301. < 



PoLYPODiuM. IX, 301, 317, 319, 337, 359; 



XVIII, 188. 

 PoLYPOGON. III, 279, 288; IX, 23, 26. 

 PoLYPonus. III, 4; VIII, 64. 

 PoLYSiPHONiA. IV, 296; V, 173. 181, 270. 



POLYSPORA. XI, 167. 



PoLYSTiGHUM. IX, 318, 320, 327, 356. 



POLYSTICS. IX. 356. 



PoLYTHÈCE. XVI, 360; XVIII, 53, .54. 



PoLYTHECii^M. XVI, 190, 366 ; XVIII, 4. 



POLYTRICHUM. X, 145. 

 POMACÉES. XVI, 8, 12. 



PoMATosACE. XIII, 35, 131, 132, 193. 

 Pommes. IV, 35. 



PONTEDERIA. IV, 367. 

 PONTÉDÉRIACÉES. XIV, 302. 



POPULUS. X, 238 : XII. 25, 31, 46, 49, 64, 

 66, 69, 74, 81, 116, 131, 135, 141, 204 ; 



XVII, 146, loi. 155, 160, 163, 222; 



XVIII, 100; XX, 146, 149. 

 PoRLiERiA. II, 358, 359, 361, 371. 

 PoROCHNA. XVI, 197, 386 ; XVIII, 4. 57. 

 PoROCHNE. XVI, 386; XVIII, 57. 



PORPHYRA. V, 166, 181. 



PoRTULACA. XI, 250; XII, 77; XIII, 343. 

 PORTULACÉES. II, 111; XIV, 336. 

 POSOQUIERA. XII, 292. 

 POSSIDONIA. V, 166. 



PoTAMooETON. II, 359, 361, 367, 371 ; IV, 



347, 362. 

 PoTENTiLLA. I, 346; XI, 250, 251, 255, 



284, 306, 311, 327, 338, 339, 344, 350; 



XIV, 7 ; XVI, 11, 128. 132. 143, 147, 150. 

 POTENTILLÉES. XVI, 132, 138, 147, 1.51. 

 PoTERiuM. I, 337 ; XVI, 13, 103, 114, 130, 



151. 

 Preissia. m, 188. 

 Prénodesmes. III, 281. 

 Prepusa. vit, 252. 



PiUEIREA. m, 84, 131. 



PiiiMiLA. II, 118; Xli. 378; XIII. 4, 6. 



8, 17, 23, 26, 29, 31, 33, 35, 38, 40. 

 42, 49, 50, 53, 59, 62, 66, 72, 75, 78, 

 83, 85, 87, 89. 91, 95, 97, 101, 103, 

 105, 108, 192, 19.";. 



Primulacées IX, 79: XIV, 359. 



Primilales. XIV, 354, 359. 



PRIMILINÉES. XIV, 354,359,361, 365; 

 XVII, 354. 



Prismatocarpus. V, 6. 



Proboscella. XVIII, 4, 50. 



Proboscelle. XVIII, 47. 



Prodromis. II. 361. 



Propylamine. VII, 32. 



Proserpinaca. III, 107, 111, 137. 



Protéacées. XIV, 3.30. 



Prothallées. XIV, 215, 216. 



Prothalliitm. I, 257. 



Protococcacées. XIV, 224. 



Protococcus. XIV, 219. 



Protomeis. XVII, 255. 



Protomyces. I, 13. 



Prunées. XVI, 13. 



Prunus. IV, 124, 128, 204; VIII, 60, 174; 

 X, 22, 25, 31, 42, 47, 113. 114 ; XII, 28, 

 44, 46, 54, 63, 116, 137, 139, 156, 160, 

 164, 171; XVI. 5, 7, 15, 61, 64, 73, 82, 

 89, 102, 107, 127, 149, 151; XVII, 17' 

 19, 20: XVIII. 287. 



Psamma. VI II, 268, 310, 318, 333. 343. 



PSEUDANTHUS. XV, 294. 

 PSEUDOGYRAT^. IX, 290. 



Pseudolachnostylis. XV, 212, 262. 



PSILOTACÉES. XIV, 259. 



Psiloxyle. XIX. 349, 355. 



Psiloxylum. XIX, 349. 



PsiLURUs. III. 279, 288; VIII, 238. 



PSITTACANTHUS. XVII. 358. 



Ptealadiscus. XV, 173. 



Ptelea. XII, 68, 1 17 : XVII, 16, 20, 24, 26. 



Ptéridées. IX, 301, 306. 



Pteridium. IX, 349. 



Pteris. IX, 301, 313, 332, 348: XVIII, 



192, 200. 

 Pterocarya. XII, 82. 

 Pterocladia. IV, 294. 

 Pterosiphonia. IV, 295. 

 Pterota. II, 356, 360, .371. 

 Pterothamniox. II, 350. 

 Ptilota. II, 356, 360, 371. 

 Ptychocarpcs. II, 298. 

 Pucr.iMA. I, 114, 124: IX, 241, 250, 261, 



274 ; XIV, 5, 6, 7, 9, 16, 27, 34, 54, 90, 



