408 



FOUNDATIONS OF BOTANY 



Protoplasm, circulation of, *184, 



185. 



Protoplasm, continuity of, 146. 

 Pteridophytes, 232. 

 Pteridophytes, remarks on, 286, 



295-297. 



Puccinia, study of, 259-262*. 

 Pulvini, 145, *146. 



Race, 230. 

 Raceme, *186. 

 Raspberry, *374. 

 Ray, medullary, 45. 

 Ray-flowers, 188, *189. 

 Receptacle, 199. 

 Red clover, leaf of, *144. 

 Regions of vegetation, 324. 

 Regular flowers, 198. 

 " Reindeer moss," 274. 

 Reproduction in algse, 256. 

 Reproduction in ferns, 287, *288, 



*289, 291. 

 Reproduction in flowering plants, 



212-215*. 

 Reproduction in fungi, *258, *259, 



*260, *261, *262, *265, *266, 



*268, *270. 

 Reproduction in morning-glory, 



390, 391. 



Reproduction in mosses, *284, 285. 

 Resin passage, *93. 

 Respiration, 172, 173. 

 Retuse, *131. 

 Rhachis, 287, *288. 

 Rhizoids, hairs serving as roots in 



mosses and liverworts, *282, 



*289. 



Rhizopus, study of, 257, 258, 259. 

 Rhodophycese, 232. 

 Rhubarb roots, *47. 

 Ring, annual, *100, *101. 



Ringent, *203. 



Rise of water in stems, 108-113. 



Rockweed, study of, 250-252*. 



Root, 36-61. 



Root, adaptation to work, 59, 60. 



Root-cap, *42. 



Root-climbers, *39, 73. 



Root, dicotyledonous, section, *44. 



Root, elongation of, 30, 31. 



Root, exogenous, *44. 



Root, fleshy, 45, 46, *47. 



Root-hair, 31, *32, *49, 50. 



Root-pressure, 54, *55. 



Root-section, *42, *44. 



Root-sheath or root-pocket, 37. 



Root-system, 47, 48. 



Roots, absorbing surface of, 49, 



. 50. 



Roots, absorption and temperature, 



55, 56. 



Roots, adventitious, 36. 

 Roots, aerial, 36, *37, *38, *39. 

 Roots, brace-, *38. 

 Roots, fascicled, *41. 

 Roots, fibrous, *41. 

 Roots, growth of, 30, 31. 

 Roots, hemlock, lateral extension 



of, *60. 

 Roots, movements of young, 56, 



*57, *58, 59. 

 Roots, parasitic, 39, *40. 

 Roots, primary, 36. 

 Roots, propagation by, 61. 

 Roots, selective action of, 54. 

 Roots, soil-, 36. 

 Roots, storage of nourishment in, 



46, *47. 



Roots, structure of, 41-46. 

 Roots, water, 37. 

 Rootstock, 75, *76, *77. 

 Rotation of protoplasm, *184, 185. 



