sunny side, in which last case the augmentation of the yellow into red,—the gradations crowding in and upon each other,—may be very well observed.
628.
Many fruits, too, are coloured internally; pure red juices, especially, are common.
629.
The colour which is found superficially in the flower and penetratingly in the fruit, spreads itself through all the remaining parts, colouring the roots and the juices of the stem, and this with a very rich and powerful hue.
630.
So, again, the colour of the wood passes from yellow through the different degrees of red up to pure red and on to brown. Blue woods are unknown to me; and thus in this degree of organisation the active side exhibits itself powerfully, although both principles appear balanced in the general