316 



INDEX. 



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, quincuncial 

 petals. 



Rotate (corolla), mon- 

 opetalous, wheel- 

 shaped, 171. 



Rubiw, 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. 



Russellia, 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 /jjl\ 



Sanguinaria, 64. /Ml 



Sapindaceoe, Sapindus, 195. tp / 



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 Name?, Use of, 18. 



Scorpoid raceme, rolled inward, 

 and unrolling as it blossoms. 



Scrophulariaceae, 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 



Is, 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. 



- iioya, 221 . 



oenceous, silky. /> 



Serdtinous, occurring late in the season. p? 



Serrate, saw-edged. 104. L< 



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



ie (sitting), having no 

 petiole or f<>ot->ialk. 37. 

 j Seta, plu. setsc (bristles), 

 perianth of the Sedges, 



Shadberry, IHi. 

 Sheath, the 



e petiole of 

 Grasses, 271. 



Sheathing petiole, 132. 

 i Sheep Poison, 157. 



Sheep Sorrel, 203. [274. 

 Shepherd 1 - I'ur-e. 98, 177, 



Shooting Star, 161. 



Showy Orchis, 234. 



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



Silene, 83. 



Silicle, Silique (sil-Ckc), 

 100.101. 



Silk Gru->. I'.C,. 



Silver grain, the medul- 

 lary rays, 107. 



Simple, of one piece, not 

 compound, 18. 



Sinuate, margin with round- 

 ed lobes and sinuses. 



Siphdnia, 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. 



Soapworts, 83, 195. 

 i Social Flowers, 135. 



Solidago, 147. 



Solitary inflorescence, 31. 



Solvent trunk or axis, 107. 



Sorrel worts, 203. 



Sorosis, fruit compounded of an inflores- 

 cence, as Pineapple. 



Sorns, pi. sori , fruit-dots of Ferns, 22. s* 



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



Spanish Chestnut. 213 [231. vl/ 



SpSthe, the bract (colored) sheathing y 

 a spadix, 231. 



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



Spearmint, 182. [// 



Species, 18. (J 



Specific Characters, 179. V 



Speedwell, 170. 



Spike, the flowers sessile on the ra- Js 

 chis. ^ 



Spikelets, the peculiar clusters in the y" 

 Grasses, 272. if 



Siike, Oil of. 182. * 



Spines, woody thorns, 121. 



