14 



INDEX. 



Puya, 319. 

 Pycnidia, 89. 

 P.ylaiella, 70. 

 Pyrenoid, 46. 

 Pyrenolichenes, 142A. 

 Pyrenomycetes, 95, 116, 



118, 125. 

 Pyrenula, 142. 

 Pyrethrum, 572, 574. 

 Pyrola, 334, 506, 507. 

 Pyrolacese, 506. 

 Pyrrophv], 16. 

 Pyrus, 152, 463. 

 Pythium, 101, 106. 



Quaking-grass, 294, 296. 

 Quassia, 438, 439. 

 Quassine, 438. 

 Quercitiorffi, 337, 340. 

 Quercitron- wood, 348. 

 Quercus, 341, 346, 347, 



348, 504. 



Quillaja, 457, 460. 

 Quillajese, 457. 

 Quill-wort, 230. 

 Quince, 464, 465. 

 Quinchamalium, 500. 

 Quinine, 550, 553. 



Racomitrium, 197. 

 Radiatas, 571. 

 Radicle, 247. 

 Radiola, 418. 

 Radiolarias, 9. 

 Radish, 408. 404, 405. 

 Radula, 192. 

 Rafflesia, 504. 

 Rafflesiaceae, 499, 504. 

 Raisins, 447. 

 Rajauia, 323. 

 Ralfsia, 71. 

 Ralfsiacese, 71. 

 Ramalina, 143. 

 Ramenta, 209. 

 Ramie, 353. 

 Rampion, 562. 

 Randia, 550. 

 Ranunculaceee, 278, 378. 

 Ranunculese, 383. 

 Ranunculus. 151, 378, 379, 



380, 382, 383, 384. 

 Rapateaceae, 308. 

 Rape, 404. 

 Raphanus, 400, 403. 

 Raphia, 301. 

 Raphidium, 51. 

 Raphiolepis, 463, 465. 

 Raspberry, 45'J, 460, 461. 

 Ravenala, 325. 



Ray-flowers, 567. 

 Reboulia, 191. 

 Receptacle, 210. 

 Red Algte, 1. 

 Red-beet, 372. 

 Red-cabbage, 405. 

 Red-clover, 46^, 517. 

 Red-currant, 455. 

 Red-pine, 264, 266. 

 "Red-rot," 164, 166. 

 Red Sandalwood, 473. 

 Red Seaweeds, 4, 77. 

 Red Snow, 48. 

 Red-strip, 165. 

 Red-tree, 468. 

 Reed, 151, 294. 

 Reed-mace, 303. 

 Reindeer Moss, 141. 

 Reineckea. 314. 

 Remijia, 550, 553. 

 Renealmia,326. 

 Replum, 398. 

 Reseda, 407. 

 Resedaceee, 406. 

 Resin, 266. 

 Rest-harrow, 471. 

 Restiacese, 309. 

 Restio, 309. 

 Restrepia, 332. 

 Retama, 472. 

 Reticularia, 8. 

 Retinospora, 268. 

 Rhamnaceae, 447, 449. 

 hhamnus, 151, 448. 

 Rhaphidophora, 305. 

 Rhatany, 468. 

 Rheum, 151, 359, 360. 

 Rhinauthacese, 153. 

 Rhinanthere, 525, 526. 

 Rhinanthus, 526. 

 Rhingia, 320. 

 Rhipidium, 320. 

 Rhipsalis, 375, 376, 377. 

 Rbizidiaceae, 103. 

 Rhizoboleso, 415. 

 Rhizocarpfffi, 205, 215. 

 Rhizoclonium, 58. 

 Rhizoids, 4, 10. 

 Rhizomorpha, 169. 170. 

 Rhizopacete, 99. 

 Rhizophora 482, 486, 487, 



513. 



Rhizophoraceee, 482, 486. 

 Rhizophyllidacese, 84. 

 Rhizophyllis, 84. 

 Rhizopods, 5. 

 Rhizopogon, 175, 176. 

 Rhizopus, 99. 

 Rhizosolenia, 20. 

 Rhodanthe, 573. 

 Rhodiola, 451, 452. 



Rhodochiton, 525. 

 Rhododendron, 161, 508. 

 Rhodomela, 83. 

 Rhodoraelacese, 83 

 Rhodophycese, 1, 14, 77. 

 Rhodophyll, 77. 

 Rhodophyllidaceee, 83. 

 Rhodophyllis, 83. 

 Rhodoraceee, 335, 508. 

 Rhodotypus, 457. 

 Rhodymenia, 83, 84. 

 Rhodymeniacese, 83. 

 Rhodymeniales, 82, 84. 

 Rhoeadina3, 393. 

 Rhopographus, 131. 

 Rhubarb, 359. 

 Rhus, 439. 

 Rhynchosia, 471. 

 Rhynchospora, 285, 286. 

 Rhytisma, 132. 

 Ribbon-grass, 296. 

 Ribes, 121, 152, 153, 241, 



454, 455. 

 Ribesiacese, 454. 

 Rib-grass, 530. 

 Riccia, 186, 189, 190. 

 Ricciacese, 190. 

 Rice, 291, 293, 296. 

 Richardia, 305. 

 Richardsonia, 550. 

 Ricinus, 431. 

 Riella, 192, 231. 

 Ringworm, 180. 

 Rivina, 372. 

 Rivularia, 10, 25. 

 Rivn!ariacea3, 22, 24, 25. 

 Robinia, 470, 473. 

 Roccella, 142. 

 Rock-cress, 402. 

 Rock-rose, 412. 

 Rod-bacteria, 39. 

 Roestelia, 147, 148, 151, 



152, 153. 



Roman spinach, 372. 

 Roots, 4. 

 " Ropiness," 35. 

 Rosa, 148, 459, 460. 

 Rosaceaa 451, 457. 

 Rose, 121. 

 Rose-mallow, 428. 

 Rose of Jericho, 401, 574. 

 Rosese, 459. 

 Rosellinia, 130. 

 Rosemary, 540. 



Oil of, 541. 

 Rosiflorse, 456, 466. 

 Rosmarinus, 536, 540,541. 

 Rostellum, 329, 332. 

 Rotang. 298. 

 Royal-fern, 209, 215. 

 Rubeffi, 458. 



