— bromoides, viii, 264.
— Buckleyi, xlviii, 143.f
— bullata, ix, 71; xi, 315.
— Buxbaumii, x, 39.
— canescens, viii, 93; xlv, 39.
— capillaris, xi, 149; xxxix, 51.
— capitata, xxxix, 51.
— Careyana, xxx, 60.f
— Carltonia, xxvii, 238.f
— caroliniana, xlv, 173; xlviii, 142.f