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Dicksonia, S?mth — cont. 
D. regalis, Bake?-, Mexico. 
D. Schiedei, Baker, Tropical America. 
D. sellowiana, Hook, South Brazil. 
Var. karsteniana (Klotzch). 
D, spectabilis, Hort. See Wendlandi. 
D. squarrosa, Sw. New Zealand. 
Z>. tenera, Hort. See apiifolia. 
D. Wendlandi, Baker. Griiatemala. 
Var. Verschaffeltii, Hort. 
D. Youngise, C. Moore. New South Wales, 
Dictyogramme. See Gymnogramme. 
Dictyopteris. See Polypodium. 
Didymochlaena, Desv. 
D. lunulata, Desv. Tropics everywhere. 
D. sinuosa, Desv. See lunulata. 
D. truncatula^ J. Sm. See lunulata. 
Didymoglossum. See Hymenophyllum. 
Diplazium. See Asplenium, 
Dipteris. See Polypodium, 
Disphenia. See Cyathea. 
Doodia, R. Br. 
D. aspera, R* Br. Australia. 
Var. multifida, Hort. 
D. hlechnoides, Cun. Australia. 
D. caudata, R. Br. Australia and New Zealand, 
Var. scabrida. 
