INDEX AND GLOSSARY. 



ABS 



A BSORPTION of food by roots, 34 ; 



■*^^ by leaves, 85 



Accrescent calyx (Lat. accresco, to in- 

 crease). Term used when the calyx 

 forms a bladdery expansion round 

 theiruit, 104 



Accretion (Lat. accresco).^ Term ap- 

 plied to growth by a series of layers, 

 16 



Ac eras, i8i 



Acerose (Lat. acer, sharp). Term ap- 

 plied to leaves when sharp and 

 pointed, 79 



Acnene (Gr. a, not ; chaino, to open). A 

 dry fruit which does not open, 142 



Achlamydeous(Gr. a, without; chlamns, 

 a cloak). Flowers destitute of both 

 calyx and corolla, 100 



Aconitum, 105, iii, 157 



Acorn, germination of, z6 



Action of chlorophyll, 86 



Action of heat, 148 



Action of light, 149 



Acuminate (Lat. aciiminaitis., made 

 pointed). Term applied to the gra- 

 dually pointed apex of leaves, 77 



Acute (Lat. axutus, sharpened). Term 

 applied to the pointed apex of 

 leaves, 77 



Adam's Needle^ 185 



Adnata (Lat. ad, to ; nascor, natus, to 

 grow). Where one part grows 

 against another, applied to stamens 

 where the filament grows up against 

 the anther, 115 



Adonis^ 157 



Adventitious (Lat. adventicins, foreign 

 or extraneous). Applied to anything 

 growing out of its ordinary place, as 

 buds, 61, 62 ; and roots which are not 

 direct prolongations of the radicle, 

 29 



Aerial stems (Lat. aer, air). Stems 

 growing above ground, 55 



^Estivation (Lat. eestivus, relating to the 

 summer). Term applied to the 



ANA 



arrangement of the parts of the 

 flower in the flower bud, 113 



j^tkusa, 168 



Agraphis, 183 



A^-monia, 165 



Alse (Lat. wings). Term used to de 

 scribe two of the petals in the papilio- 

 naceous corolla, T09 



Albumen^ (Lat. albus, white). Food 

 material found in many seeds, 4 



Albuminous seeds. Those containing 

 albumen, 5 



Alburnum (Lat, albus, white). The 

 outer wood of a dicotyledonous stem 

 usually light in colour, 46 



Alckemilia, 166 



Aleurone (pr. ahuron, fine meal). 

 Oily grains often found in cells, 14 



Alkanet, 175 



Allium., 184 



Alfnond, 165 



A Inns, 179 



Aide, 18s 



Alternate leaves, 84 



Aviary llidacets, 105 



Avientacea, 178 



Amentum (Lat. a strap). A form 

 spike bearing unisexual flowers, g6 



Ammonia. A compound of nitrogen and 

 hydrogen, which forms a soikrce of 

 nitrogenous food to the plant, 35 



Amcebiform movements (Gr. ainoibe, 

 change). Changes of form of proto- 

 plasm such as are seen in the Amoeba 

 or Proteus animalcule, 8 



Amplexicaul (Lat. ajuplejcus, encircling ", 

 caulis, stem). Applied to leaves 

 which encircle the stem at their 

 base, 85 



Amygdaleas (Lat. amygdalmn, an 

 almond). A division of the order 

 Rosaceae, 165 



Am,ygdalus, i6s 



Anagallis, 176 



Anatropous(Gr. ana, backward'*; iropos, 

 a turn). An ovule which is turned 



