— flava, ix, 65.

— flexuosa, x, 40.

— floridana, x, 45.f

— fœnea, x, 284; xxv, 142.f

— folliculata, x, 32.

— formosa, viii, 98.f

— Fraseri, xi, 155.

— fuliginosa, xi, 152.

— fulvicoma, xxix, 249.f

— gigantea, xi, 164.