Candollea tetrandra in the south-west, [193]

Cantua buxifolia, [193]

Caragana, [24]

Carmichælia, [24], [177]

Carpenteria californica, in the south-west, [193];

in greenhouse, [268]

Carpinus, [41], [175], [473]

Carya, [41], [474];

tomentosa, for autumn colouring, [73]

Caryopteris Mastacanthus, [193];