INDEX. 



613 



Respiration, 89, 471. 

 Rhamnus, 77. 

 Rhegma, 448. 



Rhipsalis salicornioides, 35, 356. 

 Rhizina;, 144, 158. 



Rhizocarpeae, 70, 169, 190, 203, 209, 212, 

 244. 



structure of, 209. 

 Rhizoma, 235. 

 Rhizophora, 423. 



Mangle, 65, 237. 

 Rhizomorpha subterranea, 542. 

 Rhus, 53, 240. 

 Ribes, 241. 

 Riccia fluitans, 168. 

 Ricciese, 167. 

 Rice, 476, 484. 

 Richard, L. C., 417. 

 Ricinus, 398, 427. 

 Rime, 498. 

 Rimosus, 135. 

 Rivularia, 109. 

 Root, 88, 166, 167. 



function of the, 219. 

 Rootless Agamae, 168. 

 Root-sheath, 69. 

 Roots of parasites, 220. 

 Rosa, 226, 319. 



divarica, 321. 



Rosaceae, 242, 271, 272, 339. 

 Rosulate, 134. 

 Rotundata, 132. 

 Rotundatus, 131. 

 Rotundus, 129. 

 Rubiacese, 390, 426. 

 Rumex crispus, 278. 

 Ruscus, 128, 226, 236, 282. 



aculeatus, 245. 

 Rush-halm, 228. 



Sacculus, 203. 

 Sago, 13. 



Sagus Rumphii, 18. 

 Salicacea?, 332. 

 Salix, 332. 



alba, 548. 



capraea, 282. 



male flowers of, 306. 

 Salvinia, 69, 72, 203. 



fruits of, 208. 



natans, 208. 



seed-buds of, 208. 

 Salts, 5, 87. 



of ammonia, 489. 



crystallization of, 36. 



decomposition of, 87. 

 Salver-shaped, 130. 

 Salvia Horminum, 281. 



officinalis, 394. 



patula, 341. 



verticillata, 71. 

 Samara, 448. 



Sanguinaria canadensis, 308. 

 Santalacea.% 401. 

 Santalum album, 412. 



Sap, circulation of, 78. 



crude, 504. 



currents of, 109. 



experiments on the motion of, 97, 



115,515, 520. 

 Sapindaceae, 252. 

 Saponaria officinalis, 425. 

 Sarcostemma viminale, 66. 

 Sargassum, 146, 165. 

 Sarracenia, 268. 

 Sarsaparilla, 17. 

 Saururus, 303, 332. 

 Saxifraga, 7, 498. 



granulata, 15. 



sarmentosa, 72, 280. 

 Scabiosa, 345. 



atropurpurea, 395. 

 Scandix Pecten, 302. 

 Scapus, 229. 

 Scattered buds, 216. 

 Schaffner, 572. 



Scheuchzeria, embryo of, 419. 

 Schimper, Dr., 266. 

 Schistostega osmundacea, 543. 

 Schleiden, 256. 

 Scholia latifolia, 9. 



speciosa, 9, 113. 

 Schwann, 466. 

 Scindapsus, 65. 



Scitamineaa, 7, 16, 48, 55, 327. 

 Scitosiphon, 146. 

 Scleranthus perennis, 395. 

 Scolopendrium, 195. 

 Scorpion, 190. 

 Scrophularia, 410. 

 Secale, 16. 



cereale, 421. 



cornutum, 152. 

 Secretions, 80, 86, 523. 

 Sectus, 130. 

 Secunda?, 134. 

 Sedum, 128,276. 

 Seed, 437. 

 Seed-bud, 296, 367, 385, 389, 391, 588. 



arched, 391. 



development of, 423. 



straight, 389. 



structure of, 399. 

 Seed-leaves, 280. 

 Seed, solitary, 447. 



of plants, 444. 

 Seeds, naked, 437, 447. 

 Segmenta, 130. 

 Semecarpus, 436, 

 Semen of plants, 444. 

 Seminium, 452. 



Sempervivum tectorum, 27, 263. 

 Sensitive plant, 27, 552. 

 Sepals, 314, 332. 

 Septa, false, 432. 

 Sessilis, 133. 

 Serrate, 132. 

 Set.t, 69, 179. 

 Sexual plants, 201, 244. 

 Silenacea?, 391. 



