518 



INDEX AND GLOSSARY 



Rhizoma, 107. 



Rhizophoraceae, 416. 



Rhodospermeae, 503. 



Rhomboid ; oval, and a little angular 



in the middle. 

 Ribs, 152, 162. 

 Ricciaceae, 497. 

 Ringent, 288. 

 Ripening, 321. 

 Rise of sap, 179. 

 River-weed Family, 469. 

 Rock-Rose Family, 389. 

 Rosaceae, 411. 

 Rosaceous, 287. 

 Root, 80. 



Rootlets ; ramifications of the root. 

 Rootstock, 107. 

 Rose Family, 411. 

 Rostrate ; beaked. 

 Rostellate ; with a small beak. 

 Rosulate ; in a rosette. 

 Rotate, 288. 

 Rubiaceaa, 429. 

 Rudimentary, 291. 

 Rue Family, 401. 

 Rugose ; wrinkled. 

 Ruminated, 332. 

 Runcinate, 166. 

 Runner, 105. 

 Rush Family, 489. 

 Rutaceas, 401. 

 Saccate, 288. 

 Sagittate, 164. 

 Salicacete, 473. 

 Salver-shaped, 288. 

 Salvinieas, 495. 

 Samara, 327. 



Sandal-wood Family, 465. 

 Santalaceae, 465. 

 Sap, 56, 194. 

 Sapindacese, 405. 

 Sapodilla Family, 448. 

 Sapotaceae, 440. 

 Sap-wood, 124. 

 Sarcocarp, 322. 

 Sarraceniaceae, 383. 

 Saururaceffi, 467. 

 Saxifragaceae, 422. 

 Saxifrage Family, 422. 

 Scalariform ducts, 49. 

 Scale-like hairs, 55. 

 Scales, 433. 

 Scaly buds, 96. 

 Scape, 226. 



Scarious ; dry, thin, and colorless. 

 Schizandreae, 378. 

 Sclerantheae, 393. 

 Sclerogen, 37. 

 Scorpioid, 225. 



Scrophulariaceae, 445. 



Scurf, 55. 



Seaweeds, 502. 



Secondary axes, 216. 



Secondary roots, 85, 87. 



Secondary spirals, 145. 



Secund ; turned to one side, as the 



flowers of some spikes, &c. 

 Secundine, 310. 

 Sedge Family, 490. 

 Seed, 329. 



Seed-leaves, 77, 333. 

 Segments, 166, 286. 

 Seminal, 151. 



Sensitiveness of plants, 346. 

 Sepals, 228. 

 Separated, 264. 

 Septicidal, 323. 

 Septifragal, 324. 

 Serrate, 165. 

 Sesames, 444. 

 Sesamum Family, 444. 

 Sessile, 152, 215, 291. 

 Setsa, 55. 



Sheath, 172. 



Shield-shaped, 164. 



Shrubs, 103. 



Signs, 505. 



Sileneae, 392. 



Silex, 63. 



Silicle, 328. 



Siliculosa, 360. 



Silique, 328. 



Siliquosa, 360. 



Silky ; clothed with a shining ap- 

 pressed pubescence. 



Silver-grain, 118. 



Simarubacese, 402. 



Sinuate, 166. 



Sinus, 163. 



Sleep of plants, 342. 



Smilaceae, 487. 



Smilax Family, 487. 



Soapberry Family, 405. 



Solanaceae, 453. 



Sori, 494. 



Spadix, 218. 



Spathe, 218. 



Spatulate ; oblong or obovate, with 

 the lower end much narrowed. 



Specialized cell, 53. 



Species, 21, 350. 



Specific character, 355. 



Spermoderm, 329. 



Spiderwort Family, 490. 



Spigelieae, 431. 



Spike, 218. 



Spikenard Family, 425. 



Spindle-tree Family, 406. 



Spine, 105. 



Spinose ; furnished with spines. 



Spiral ducts, 50. 



Spirally, 280. 



Spiral markings, 41. 



Spiral vessels, 50. 



