INDEX AND (i LOSS All Y. 



307 



Raceme, 150. 



Racemous, resembling a raceme. 



Raehis, 3i5, 146. 



Kadiate and Radiant, pp. 219, 220. 



Radiate-veined. See Palmate-veined, 10. 



Radical^ from the root. 



Radical number, 113. 



Radicle, lyO, 191. 



Rcuaial, of the branches. 



Rumous, branched. 



Ray, Ray-flowers, 156. 



Receptacle, 64. 



Reclinate, 140. 



Recurved, bent or curved backward. 



Rejiexed, curved back and downward. 



Rei,nilar flower, 86. 



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



R&pand. — Fig. 53. 



Rtticulute, netted. 



Retuse, 34. 



Kevolute, 139. 



Rhizome, 231. 



Rhomboid or rhombic, oval, with anguhir 



sides. 

 Rib (costa), ridge caused by raised veuis. 

 Ringent, gaping, as when a labiate corolla 



has an open throat. 

 Root.— Lesson 27. 

 Root-stock, 231. 

 Rosaceous, 87. 

 Rostrate, with a beak. 

 Rotate, 90. 

 Rudiments, 116. 

 Rugous, wrinkled. 

 R-.'.ncinate, 22.— Fig. 36. 

 Runner, a slender branch striking root, 



as in Strawberry. 



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-i^nd, all turned to one side. 



Seed. — Lesson 24. 



Seg7nents, parts or divisions. 



Sepal, 65. 



Septinate, 40. 



Sericious, 61. 



Serotinous, late in the season. 



Serrate and Serrulate, 80. 



Sessile, 5. 



Setaceous or Setous, bristly. 



Sheath, lower part of the leaf or leaf-stalk 



which surrounds the stem. 

 Shrub, 215. 



Silicic and silique, 181. 

 Si)nple, not compound, of one piece. 

 Simple pistil, 124. 

 Sinuate, 21.— Fig. 32. 

 Sinus, a rounded recess between the lobes 



of the leaves, &o. 

 Solitary, 145. 

 Spadiciflora?, 258. 

 Spadix and spathe, 148. 

 Spatulate, 17. 

 Species, 241. 

 Spike, 146. 

 Spine, 56. 



Spinescent or Spinous, 187. 

 Spiral arrangement, 49. 

 Spores, 251. 

 Spur, 78. 

 Squarrous, of a ragged appearance; as, 



with crowded, spreading bracts or 



leaves, &c. 

 Stamens, 67. 



Staminate, with stamens only, barren. 

 Stellate, whorled. 

 Stem. — Lesson 23. 

 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 the 



end, producing a new plant. 

 Stoloniferous, bearing stolons. 

 Straight-veined, when the principal veins 



pass direct to the margin. 

 Striate, slightly furrowed with streaks. 

 Strigous, clothed with short, stiti", 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 stems, 225. 

 Subulate, awl-shaped, Fig. 7. 

 Succulent, thick, juicy, ticshy. 

 Superior, 82. • 



Supra-axillary, arising from above the 



axil, as do the flowers of Potato. 



