PROTEIN GRANULES IN SEEDS. 183 



I. Soluble in water; e. g., Paeonia officinalis. 



II. Completely, and more or less readily, soluble in ten per 



cent NaCl (sodic chloride) solution. 



a. Grains without crystalloids. 



V 



(a.) Soluble in saturated NaCl solution after treatment 

 with alcohol or ether; e. g., Pisum sativurn. 



(/?.) Soluble in saturated NaCl solution after treatment 

 with alcohol, but not after ether; e. g., Helianthus 

 annuus. 



b. Grains with crystalloids. 



(a.) Crystalloids soluble in saturated NaCl solution after 

 treatment with alcohol or ether; e. g., Bertholletia 

 excelsa. 



(/?.) Crystalloids soluble in saturated NaCl solution after 

 alcohol but not after ether ; e. g., Ricinus communis. 



a. Grains without crystalloids. 



(a.) Soluble in saturated XaCl solution after treatment with alcohol or 

 ether : Lupinus hirsutus (type), Vicia Faba, Pisum sativum, Phase- 

 olus multiflorus, Allium Cepa, Iris pumila (var. atroccerulea), Colchi- 

 cum autiminale, Berberis vulgaris, Althaea rosea, Tropseolum majus, 

 Mercurialis annua, Empetrum nigrum, Primula officinalis. 



(/?. ) Soluble in saturated NaCl solution after alcohol, but not after 

 ether : Helianthus annuus (type), Platycodon (Wahlenbergia) grandi- 

 flora, Sabal Adansoni, Delphinium cardiopetalum, Trollius Europteus, 

 Actea spicata, Caltha palustris, Aquilegia vulgaris, Dianthus Caryo- 

 phyllus, Brassica rapa, Lepidium sativum, Medicago sativa, Larix 

 europsea, Cynoglossum officinale, Spinacia oleracea. 



b. Grains with crystalloids. 



(a.) Crystalloids soluble in saturated NaCl solution after treatment 

 with alcohol or ether : Bertholletia excelsa (type), Adonis autumna- 

 lis, JthusA Cynapiuni, Digitalis purpurea, Cucurbita Pepo. 

 (j8.) Crystalloids soluble in saturated XaCl solution after alcohol, but 

 not after ether : Ricinus communis (type), Datura Stramonium, 

 Atropa Belladonna, Elais Guineensis, Salvia officinalis, Taxus bac- 

 cata, Pin us Pinea, Canuabis sativa, Linum usitatissimum, Viola 

 elatior, Ruta graveolens, Juglans regia. 

 III. Partially soluble in ten per cent XaCl solution. 



a. Entirely soluble in one per cent sodic carbonate solution : Pulmonaria 



mollis, Omphalodes longiflora, Borago caucasica, Myosotis palustris, 

 Clarkia pulchella. 



b. Entirely soluble in dilute potassic hydrate. 



(a.) Grains without crystalloids : Anchusa officinalis, Lithospermum 

 officinale, Echiuni vulgare, Heliotropium Peruvianum, Lythrum 

 Salicaria. 



(/3. ) Grains without crystalloids: Cupressus Lawsoniana, Juniperus 

 communis, Euphorbia Lathyris. 



