INDEX AND GLOSSARY. 



329 



Raceme, 150. 



Racemovs, resembling a raceme. 



Raehis, 3(5, 146. 



Radiate and Radiant, pp. 219, 220. 



Radiiite-veined. See Palmate-veined, 10. 



Radical^ from the root. 



Radical number, 113. 



Radicle, 190, I'Jl. 



Jiaiuial, of the branches. 



Baimrus^ branched. 



Ray, Ray-flowers, 156. 



Receptacle, 64. 



Reelinate, 140. 



Recurved^ bent or curved backward, 



Reflexed, curved back and downward. 



Re<rnlar flower, 86. 



Reniform, kidney-shaped. — Figs. 23, 24, 



Repand, — Fig. 53. 



Reticulate., netted. 



Retuse, 34. 



Revolute, 139. 



Rhizome, 231. 



Rhomboid or rhombic, oval, with angular 



sides. 

 Rib (costa), ridge caused by raised veins. 

 Ringent, gaping, as when a labiate corolla 



has an open throat. 

 Root.— Les.son 27. 

 Root-stock, 231. 

 Rosaceous, 87. 

 Rostrate, with a beak. 

 Rotate, 90. 

 Rudiments, 116. 

 Rugous, wrinkled. 

 Runcinate, 22.— Fig. 36. 

 Runner, a slender branch striking root, 



as in iStraw berry. 



Saccate, bag-like, or sack-like. 



Sagittate, arrow-shaped, 19. 



Salver-form, 94, 



Samara (a key), 169. 



Sap, 204. 



Scabrous, rough. 



Scale-stems, 228. 



Scape, 144, 



Scarious, dry, thin, scale-like. 



Scorpoid cyme, 159. 



Sec'u,nd, all turned to one side. 



Seed, — Lesson 24, 



Segmfi'.ts, parts or divisions. 



Sepal, 65. 



Septinate, 40. 



Sericious, 61. 



Si'roHnous, late in the season. 



Serrate and Serrulate, 30. 



Sessile, 5. 



Setaceous or Setous, bristly. 



S/ieath, lower part of the leaf or leaf-stalk 



which surrounds the stem. 

 Shrub, 215. 



Silicic and siliqne, 181. 

 Simple, not compound, of one piece. 

 Simple pistil, 124. 

 Sinuate, 21.— Fig. 32. 

 Sinus, a rounded recess between the lobes 



of tlie leaves, &c. 

 Solitary, 145. 

 Spadiciflortie, 258. 

 Spadix and spathe, 148. 

 Spatulate, 17. 

 Species, 241. 

 Spike, 146. 

 Spine, 56, 



Spinescent or Spinous, ISf. 

 Spiral arrangement, 49. 

 Spores, 251. 

 Spur, 78. 

 Squaj^'ous, of a ragged appearance; as, 



with crowded, spreading bracts or 



leaves, &c. 

 Stamens, 67. 



Staminate, with stamens only, barren. 

 Stellate, whorled. 

 Stem, — Lesson 28. 

 Sterile, 109, 

 Stigma, 122. 



Stings, sharp, poisonous hairs, 59. 

 Stipe, the stalk of a pod, &c. 

 Stipitate, borne on a stipe. 

 Stipule, 4. 



Stipulate, with stipules. 

 Stolon, a branch which strikes root at tlio 



end, producing a new plant. 

 Stoloniferous, bearing stolons. 

 Sir aig) it-veined, when the principal veins 



pass direct to tlie margin. 

 Striate, slightly furrowed with streaks. 

 Strigous, clothed with short, stitf, and 



close-pressed hairs. 

 Strobile, same as cone, 183. 

 Style, 122. 

 Sub (in composition) denotes the quality 



in a lower degree, as. 

 Sub-entire, nearly entire. 

 Submersed, under water. 

 Subterranean steins, 225. 

 Subulate, awl-shaped. Fig, 7. 

 Succulent, thick, juicy, fleshy. 

 Superiiir, S2. 

 Supia-axill-ar//, arising from above the 



axil, as do ilie flowers ofPotato. 



