210 



Elementary Botany 



RAG 



SEE 



which forms the future root of the 

 plant, 4 



Ragged Robin, i6i 



Ragwort, 171 



Ramal (Lat. ramus^ a branch). Grow- 

 ing upon the branches, 85 



Ranunculaceoe^ 154, 156 



Ranunculus f 156, 159 



Raphe (Gr. a cord). A cord running up 

 the side of an anatropous ovule, 123 



Raphides (Lat, rapkis, a needle). Crys- 

 tals, often needle-shaped, contained 

 within the cells of plants, 13 



Rattle, 17s 



Ray. The outer florets in the flower 

 Heads of Composite plants, log, 170 



Reclinate (Lat. reclino, to lean back- 

 wards). _ When in the bud the apex of 

 the leaf is bent towards the base, 64 



Regular ; calyx, 104 ; corolla, 107 



Relation of the flower to the other parts 

 of the plant, 134 



Reniform (Lat, ren, kidney ; forma, 

 form). Kidney-shaped, that is, a leaf 

 rounded at the apex and hollowed at 

 the base, 79 



Replum (Lat. part of a door). The cen- 

 tral part in the siliquas and siliculas 

 which remains after the valves have 

 fallen away, 138 



Respiration of plants, 87 



Reticulate (Lat. retictiltim, a small net). 

 Arranged in a net-like manner ; ap- 

 plied to cells, 19 ; to the venation of 

 leaves, 74 



Retuse (Lat. retnsns, blunted). A notch 

 in the apex of a leaf, 77 



Revolute (Lat. revolutus, turned back). 

 When in the bud the two edges are 

 rolled towards the under side of leaf, 



65 



Rhinanthus, 175 



Rhizome (Gr. rhiza, a root). A creep- 

 ing underground stem, thick and 

 swollen, 55 



Rice, 188 



Rind. The outer coat of monocotyle- 

 donous stems, 51 



Ringent (Lat. ringens, grinning). A 

 bilabiate corolla where the lips are 

 widely separated, log, 172 



Rings, of wood, 45 



Roots, 25 ; branches, 31 ; forms, 31 ; 

 functions, 34 ; growth, 29 ; increase in 

 thickness, 31 ; structure, 29 



Rosacea, 164 



Rose, 165 



Rose<s, 165 



Rosemary, 174 



Rotate (Lat. rota, a wheel). Wheel- 

 shaped ; applied to a rounded corolla, 

 log ; and calyx, 104 



Rotation of crops, 37 



Rowan-tree, 166 



Rnbus, 164, 165 



Runcinate (Lat. runcina, a large saw). 

 A pinnatifid leaf where the terminal 

 lobe and side lobes are angular, 82 



Runner. A slender prostrate stem as 



seen in the Strawberry, 55 

 Rnscus, 183, 184 

 Rye, 188 

 Rye Grass, 187 



C2 ACC ATE (Lat. saccus, a sack). 



*^ When two of the sepals have a 

 swelling at their base, 104 



Sacchartim, 188 



Saffloiver, 172 



Sage, 173 ; fertilisation of, 131 



Sagittate (Lat. sagitta, an arrow). 

 Arrow-shaped : applied to leaves 

 which are pointed at the apex, and 

 with two pointed lobes like barbs 

 growing back at the base, 80 



Salicinece, 179 



Salix, 179 



Salver-shaped. See Hypocrateriform 



Salvia, 173 



Samara (Lat. the fruit of the elm). 

 A winged fruit, that is, one with 

 a membranous expansion attached, 

 139 



Samphire, 168 



Sandal-wood, 164 



Sander' s-wood, 164 



Sanguisorba, 166 



Sangnisorbe<E, 166 



Sanicula, 170 



Sap (Lat. sapa, sodden wine). A genera 

 term for the juices of the plant, 12 



Sapwood. The outer wood of dicotyle- 

 dons, 46 



Sarotkamnus, 163 



Sattireia, 174 



Savory, 174 



Scalariform(Lat. scala, a ladder \ forma, 

 form). Term used when the secondary 

 thickening of a cell is arranged like 

 rungs of a ladder, 20 



Scarlet Rjinner, 164 



Schizocarp (Gr.sckizo, to split ; karpos, 

 fruit).^ A fruit which splits into sepa- 

 rate pieces each containing one seed, 

 138 



Schultze's solution, 7 



Scilla, 183, 184 



Scirpus, 1S6 



Sclerenchyma (Gr. skleros, hard). 

 Tissue much hardened by formation 

 of secondary deposit, 24 , 



Scorpioid (Gr. skorPios, scorpion ; eidos, 

 resemblance). Used in branching as 

 equivalent to cicinna!, which see, 67 ; 

 also a peculiar form of inflorescence, 98 



Scorpion Grass, 176 



Scrophttlaria, 175 



Scropkulariacea, 174 



Sea Holly' 1^1^ 



Sea Kale, 160 



Secale, 188 ' 



Secundine (Lat. secnndus, second). The 



inner coat of the ovule, 122 

 Sedge, 185, 186 

 Seeds, structure of, 3 



