462 APPENDIX II. 



Ampelopsis hcderacea (Virginian Creeper). Autumn tints, 58. Leaves 



Fresh. Autumn. Hardy climber. 

 Anabwna Azollce. Structure, 261. Exists in the leaves of Azolla carolineana. 



Fresh. Any time. Azolla is a perennial greenhouse aquatic. 

 Anagallis (Pimpernel). Structure of ovary, 397. Flowers. Fresh, or in 



alcohol. Summer. Anagallis arvensis is a cornfield annual, with 



scarlet flowers ; Anagallis tenelln is a very pretty creeping native 



bog-plant. 

 Anaptychia ciliaris. A lichen found on tree stems. Structure, 239. 



Thallus. Fresh ; or dried, but soaked in water before use. 



Fructification, 336. Fruiting thallus. Fresh ; or dried, but 



soaked in water before use. 

 Antirrhinum majus (Snapdragon). Coloured cell-sap, 56. Flowers. Fresh. 



May to September. Hardy perennials. 

 Apple. See Pyrus Mains. 

 Aquilegia. Summer flowering hardy herbaceous perennials. Used for 



pollen-cultures, 393. 

 Aristolochia Sipho. Structure of stem, 131. Young stems, | to and inch 



thick. In alcohol ; material to be put up in June or July. Hardy 



deciduous, or half-evergreen, climber. For substitute in young 



state, see Ricinus. 



Arrowroot, East Indian, for starch, 18. Chemists. 

 Ascobolus furfuraceus. A discomycetous fungus, obtained upon horse or 



preferably cow dung, 327. 

 Ash. See Fraxinus excelsior. 

 Asparagus. Bed chromatophores in the berry, 55. Late summer. Fresh. 



Gardens. 

 Aspidium Filix-mas (Male Fern). Fructification, 355. Fertile frond. 



Preferably fresh, but may be in alcohol. Summer. Native Fern. 

 Auricula. See Primula. 

 Avena sativa (Oat). Starch grains, 18. Grains. Dry. 



Structure of vascular bundle, 113. Stems. In alcohol. Spring 



or early summer. Can be grown in laboratory for the purpose. 



Puccinia on, 332. Leaves or haulm. Fresh, dry, or alcohol. 



Summer. 

 Azalea. Compound pollen-grains, 391. Flowers. Fresh. (For substitutes 



see Calluna, Erica, Rhododendron.) 

 Vascular bundle ends, 199. Petals. Fresh, or in alcohol. A. indica, 



a spring flowering greenhouse shrub is best. 

 Azolla, for Andbama, q.v. 



B. 



Bacillus buccalis, in the "fur" of teeth, 276. 



subtilis, 277. From infusion of hay. For method, see- Text. 

 Bacteria, 266. To obtain materials, see Text. 

 Bacterium Termo. Obtained from the decay of peas and beans, 281. 



