INDEX. 



611 



Passion-flower, 476. 

 Patellaria, 134. 

 Patellariaceee, 134. 

 Patellea, 134. 

 Paternoster peas, 470. 

 Pathogenic Rod-Bacteria, 



39. 



Patrinia, 557. 

 Paullinia, 441. 

 Paulownia, 527. 

 Pavonia, 428. 

 Paxillei, 172. 

 Payena, 511. 

 Paypayroleae, 411. 

 Pea, 470. 



Peach, 117, 121, 461. 

 Pear, 130, 464, 465. 

 Pedagnuoli, 355. 

 Pedaliacese, 518, 529. 

 Pediastrum, 52. 

 Pedicularis, 151, 526. 

 Peganum, 438. 

 Pelargonium, 418, 419. 

 Peliosanthes, 320. 

 Pellia, 191, 192. 

 Pellitory, 353. 

 Peltigera, 143. 

 Pelvetia, 73. 

 Penicillium, 122, 123. 

 Penium, 43, 44. 

 Pennisetum, 295. 

 Penny-cress, 401. 

 Penny-wort, 493. 

 Pentacyclicee, 505,. 506. 

 Pentadesma 414. 

 Pentapera, 505. 

 Pentstemon, 524, 527. 

 Peplis, 47, 483. 

 Pepper, 361. 

 Peppermint, 541. 

 Peperomia, 361, 362. 

 Pepperwort, 401. 

 Perekia, 375, 376. 

 Perianth, 235. 

 Pericha;tium, 192. 

 Pericarp, 2i9. 

 Pericallis, 574. 

 Peridermiurn, 147, 118, 



153, 154, 1C5, 150. 

 Peridinta, 1. 14, 17. 

 Peridinin, 16. 

 Peridinium, 17. 

 Peridiola, 176. 

 Peridinm, 88, 89. 147. 

 Perigynium, 189. 

 Perilla, 541. 

 Periphyses, 88. 

 Periplasm, 104. 

 Periploca, 546. 

 Perisperm, 249. 

 Perisporiaceae, 122. 



