INDEX. 



177 



Polysepalous, 84, 85. 

 Polysynimetricl, 80 (see Regular). 

 Pome, 136. 

 Ponds, 62. 

 Poplar, 116. 



Poppy, 21, 62, 84, 87, IOI, I03, IO5, 122, 



138, 141, 150, 155. 

 P->rc, 97, 123, 124, 138. 

 Porous capsule, 138, 141. 

 Position, relative, 7, 27. 

 Posterior, 85, 86, 89, 94, 95. 103, 105, 127, 



156. 

 Potassium, 10, 160. 

 Potato, 5, 17, 26, 44, 45, 59, 64, 89, 93, 97, 



Potentilla, 62. 



Power (of microscope), high p., 31 ; low 



P-, 3i- 

 Practical work, 6. 

 PrEefloration, 84, 87. 

 Pnefoliation, 84, 149. 

 Prickle, 28, 41, 65, 86, in. 

 Primary, 132, 146; leaflet, 61. 

 Primine, 108. 

 Primrose, 76, 84, 87, 89, 93, 95, 96, 97, 101, 



106, 124, 125, 138, 151, 157. 

 Primulacese, 157. 

 Piismatic, 27. 

 Privet, 100. 

 Procumbent, 25. 

 Prosenchymatous, 32. 

 Prostrate, 25. 

 Protection ; of buds, 47 ; of flower, m-114, 



148, 151 ; of foliage leaf, 61 ; of lamina, 



54 ; of root, 17 ; of seeds, 140, 148 ; of 



!-hoot, 27, 40, 61. 

 Proteids, 5, 26, 42, 67, 71. 

 Proterandr'y, 115, 117, 120, 122, 123, 124, 



128, 129, 151. 

 Proterogyny. 115, 117, 118, 121, 123, 151. 

 Protoplasm, 4, 5, 8, 10, n, 17, 28, 31, 32,33, 



34. 35, 40, 42, 43, 65, 71, 72, 73, "4, "5, 



160; composition of, 5; structure, 5. 

 Protoxylem, 34, 36, 37. 

 Pruning, 18. 



Pseudaxis (see Sympodium). 

 Pseudocarp, 135-136, 151. 

 Pubescent, 28. 

 Pulp, 8, 139. 

 Pulvinus, 53, 147. 

 Purple, 88, 89, 119, 124. 

 Purple loosestrife, 124, 125. 

 Purple orchis (see Orchis). 

 Pyxidium, 138. 



yniXED dahlia. 9; 

 Quincuacial, 51. 



Raceme, 77, 78, 79, 117, 154, 155. 

 Racemose, 24, 46, 75, 76, 80, 149. 

 Radial, 30. 



Radical, 24, 57, 147, 149. 

 Radicle, 132, 133, 142, 143, 152. 

 Radish, 13, 14, 155. 



Ragged-robin, 87, 156. 

 Rain, 113. 

 Rank, 83, 149. 

 Ranunculaceae, 155. 



Ranunculus (see Buttercup). 



Raphe, 109, 132. 



Raspberry, 25, 103, 123, 139, 156. 



Razor, 29, 159. 



Ray, 78 ; ray floret (see Floret). 



Reagents, 159, 160. 



Receptacle, 78, 121 ; for water, 112. 



Recumbent, 25. 



Red, 91. 



Reddish brown, 119. 



Reduction, 84, 94, 96, 129. 



Reflected light, 158. 



Reflexed, 85, 88, 90, 113, 125. 



Regular, 80, 88, 89, 123-126, 154, 155, 156, 



Relation of floral leaves, 82, 148, 150 (see 

 Floral diagram). 



Relationships (of plants), 2. 



Renewal of organisms, 6. 



Reniform, 58. 



Replum, 137. 



Reproduction, 12; true, 114-131; vegeta- 

 tive, 19, 43, 44, 71, it 4 . 



Reproductive, 19. 



Re-erve materials, 14, 18, 24, 25, 26, 42, 64, 

 67, 68, 134, 142, 143, 160. 



Respiration, n, 12; of flower, 114; of foli- 

 age leaf, 71 ; of germinating seed, 143 ; 

 of root, 18-19; °f simple plant, 11 ; of 

 stem, 43. 



Respiratory cavity, 66. 



Reticulated, 56. 



Revolute, 149. 



Rhizome, 26, 42, 154. 



Rhododendron, 97, 138. 



Ribbed, 23. 



Richard ia, 153. 



Ridged, 28, 29, 49, 53, 146. 



Ringent, 90. 



Ringing, 42. 



Rings, annual, 38, 39. 



Ripening, of seed, 86. 99. 



Robinia, 19, 53, 64. 



Room, plants in, 70. 



Root, 7, 8 ; adventitious, 13, 14, 19, 21, 22, 

 26, 43, 49 ; air, 13 ; r. cap, 16, 17, 34 ; r. 

 climbers, 26; description of, 146, 149 ; 

 development of, 14, 39 ; examination 

 questions in, 161 ; r. fibre, 149 ; r. 

 hairs, 14, 18, 28 : morphology, 13, 17, 

 21, 143, 152 ; parasitic, 13, 18 ; physio- 

 logy, 17-20, 42, 44, 45, 67, 69; r. pres- 

 sure, 18; primary, 13, 14, 19, 20, 21; 

 secondary, 13, 14, 19 ; r. sheath, 143 ; 

 structure of, 14-15, 31, 66, 159 ; tap, 13, 

 14, 21, 146, 152; r. tips. 19, 20; r. 

 tubers, 14, 19 ; underground, 13 ; 

 water, 13, 18. 



Rootstock, 24. 



Rosace*, 156. 



Rose, 21, 25, 28, 48, 51, 59, 63, 81, 83, 84, 87, 

 103, 106, no, 123, 130, 156. 



Rose-bay willow-herb, 120, 124, 



Rosemary, 149, 157. 



Rosettes of leaves, 19, 24, 61, 112. 



Rostelium, 130. 



Rotate, 89. 



Rounded, 57. 



Round-leaved sundew, n. 



Rowan, 156. 



Rows of cells, 31-32. 33, 40. 



Rudiment, 94, 96. 



M 



