INDEX AND GLOSSARY. 



329 



Rinyent, gaping, as when a labiate corolla 

 has an open throat. 



Raceme, 150. 



Ractnwus, resembling a raceme. 



Rachis, 8rt, 146. 



Radiate and Radiant, pp. 219, 220. 



Radiate-veined. See Palmate-veined, 10. 



Radical, i'roin the root. 



Radical number, 113. 



Radicle, 190 191. 



riarnial, of the branches. 



ft!iikM-*, branched. 



Ray, Ray-flowers, 156. 



Receptacle, 64. 



Revlinate, 140. 



Recurved, bent or curved backward. 



Rtflexed, curved back and downward. 



Regular flower, 815. 



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



Repand. Fig. 68, 



Ktticulate, netted. 



Retu.se, 34. 



Revolnte, 139. 



Rhizome, 231. 



Rhomboid or rhombic, oval, with angular 



sides. 



Rib (costa), ridge caused by raised vc' 

 ing, a 

 n thr 



Root. Lesson 27. 

 Root-stock, 231. 

 Rosaceous, 87. 

 Rostrate, with a beak. 

 Rotate, 90. 

 Rudiments, 116. 

 Rugous, wrinkled. 

 Ksucinate, '22. Fig. 36. 

 Rvn-ner, a slender branch striking root, 



as in Strawberry. 



Saccate, bag-like, or sack-like. 



Sagittate, arrow-shaped, ly. 



Salver-l'orm, 94. 



Samara (a key), 169 



Sap, 204. 



Scabrous, rough. 



Scale -stems, 228. 



Scape. 144. 



^carious, dry, thin, scale-like. 



Scorpoid cyme, 159. 



Sec.-i.nd, all turned to one side. 



Seed. Lesson 24. 



Xeymf.nts, parts or divisions. 



Sepal, 65. 



Septinate, 40. 



Sericious, 61. 



Serotinous, late in the season. 



Serrate and Serrulate, 30. 



Sessile, 5. 



Setaceous or Setou*, bristly. 



Sheath, lower part of the feaf 01 loaf-Stalk 



which surrounds the stem. 

 Shrub, 215. 



Silicic and silique, 181. 

 Simple, not compound, of one piece. 

 Simple pistil, 124. 

 Sinuate, 21. Fig. 32. 

 Sinus, a rounded receus between the lobes 



of the leaves, &c. 

 Solitary, 145. 

 Spadiciflorse, 258. 

 Spadix and spathe, 143. 

 Spatulate, 17. 

 Species, 241. 

 Spike, 146. 

 Spine, 56. 



Spinescent or Spinons, 187. 

 Spiral arrangement, 49. 

 Spores, 251. 

 Spur, 78. 

 Squarrfiim, of a ragged appearance; aa, 



with crowded, spreading bracts 01 



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. 

 Sti-pule, 4. 



Stipulate, with stipules. 

 Stolon, a branch which strikes root at the 



end, producing a new plant. 

 Stiiloni/erous, bearing stolons. 

 Straight-veined, when the principal veins 



pass direct to the margin. 

 Striate, slightly furrowed with streaks. 

 Strigous, clothed with short, stiff, and 



close-pressed hairs. 

 Strobile, same as cone, 183. 

 Style, 122. 

 Sub (in composition) denotes the finality 



in a lower degree, as, 

 Sub-entire, nearly entire. 

 Submersed, under water. 

 Subterranean stems, 225. 

 Subulate, awl-shaped, Fig. 7. 

 Succulent, thick, juicy, fleshy. 

 Superior, 82. 

 Supra-axillary, arising from above the 



axil, as do the flowers of Potato. 



