316 



ItfDEX. 



Root, the base of the plant, 13, 107. 

 Root, axial and inaxial, 50. 

 Rootlets, divisions of the root, 13. 

 Root-stock, the rhizome. 

 Rosa, Rose, 112. 

 Rosaceae, Roseworts, 115. 

 Rostrate, beaked, with a beak. 

 Rosaceous corolla, rose-like,viz., 

 with 5, regular, quiucuucial 



Rotate (corolla), mon- 

 opetalous, wheel- 

 shaped, 171. 



Rubus, 116. 



Rudiment, the beginning of a thing. 



Rugous, wrinkled, 206. 



Rue Anemone, 60. 



Rue, Meadow, 60. 



Rumex, 203. 



Runner, a prostrate branch, 104. 



Runcinate, hooked backward, 143. 



Rush, 264. 



Russcllia, 176. 



Rye, 279. 



S. 



Sabal Palmetto, 223. 



Safflower, 246. 



Saffron, 147, 246. 



Sage, 180. 



Sagittate, arrow-shaped, 98, 260. 



Sago Palm, Sagus, 228. 



Safsify, 147. 



Salver-shaped corolla, a flat 

 border with a slender tube, 

 like Phlox, [fruit, 191. A 



Samara, a simple, winged ln\ 



Sanguinaria, 64. /Mfj 



Sapindaceae, Sapindus, 195. W' 



Saponaria, 83. 



Sarracenia, 158. 



Scabrous, rough, 142, 275. 



Scales of the involucre, 138 



Scale-mosses, 27. 



Scammony, 188. 



Scarious, dry and translucent, 138, 244. 



Scape, a radical flower-stalk, 56. 



Scape-like, stem with diminished leaves. 



Scilla, 258. 



Scientific Names, Use of, 18. 



Scorpoid raceme, rolled inward, 

 and unrolling as it blossoms. 



Scrophulariacese, 174. 



Sea-weeds, 27. 



Secund, turned to one side, 256. 



Sections, cuttings, 184. 



Sedges, 263. 



Seed, importance of, 33. 



Seed, Composition of, 186. 



Seed, Life of, 185. 



Self-heal, 179. 



Semi (in composition), half ; as 



Semicordate, half cordate. 



Senegal Gum, 125. 



Senna, 125. 



Sensitiveness, 121. 



Sensitive Plant, 123. 



Sensivera, Hemp, 258. 



SSpals, the leaves of the calyx, 31. 



Septicidal, opening be- 

 tween the cells. 



Septif'ragal, valves 

 breaking away from 

 the partitions, which 

 remain in place, 185. 



Septum, a partition. 



Sequoya, 221. i 



Sericeous, silky. /l 



I Serdtiuous, occurring late in the season. K? 

 j Serrate, saw-edged, 104. It 



Serrulate, finely saw-toothed, 14, 171. r 



Sessile (sitting), having no 

 petiole or foot-stalk, 37. 



Seta, plu. setae (bristles), 

 perianth of the Sedges, 



Shadberry, 116. [270. 



Sheath, the petiole of the 

 Grasses, 271. 



Sheathing petiole, 132. 



Sheep Poison, 157. 



Sheep Sorrel, 203. [274. 



Shepherd's Purse, 98, 177, 



Shooting Star, 161. 



Showy Orchis, 234. 



Shrub, a small (6-20 ft.), woody plant. 



Silene, 83. 



Silicic, Silique (sil-5ke), 

 100, 101. 



Silk Grass, 195. 



Silver grain, the medul- 

 lary rays, 107. 



Simple, of one piece, not 

 compound, 13. 



Sinuate, margin with round- 

 ed lobes and sinuses. 



Siphonia, 207. 



Sisymbrium, 185. 



Silver-leaved Maple, 192. 



Sleep of plants, 31, 91, 92. [128. 



Slips, cuttings which grow when severed, 



Snap Dragon, 173, 175. 



Snow Drop, 263. 



Snow Flake, 263. 



Soapberry, 195. 



Soap worts, 83, 195. 



Social Flowers, 135. 



Solidago, 147. 



Solitary inflorescence, 31. 



Solvent trunk or axis, 107. 



Sorrelworts, 203. 



Sorosis, fruit compounded of an inflores- 

 cence, as Pineapple. 



Sorus, pi. sori, fruit-dots of Ferns, 22. .^r 



Spadix, a spike with a fleshy rachis, (A\ 



Spanish Chestnut, 213. [231. \/ 



Spathe, the bract (colored) sheathing \f 

 a spadix, 231. 



Spatulate, form of a surgeon's spatula, /n 



Spearmint, 182. Iff 



Species, 18. tt 



Specific Characters, 179. 



Speedwell, 170. 



Spike, the flowers sessile on the ra- Jb 

 chis. % 



Spikelets, the peculiar clusters in the H" 

 Grasses, 272. tf* 



Spike, Oil of, 182. * 



Spines, woody thorns, 121. 



