53 
Blechnum, Linn.^cont. 
B. cartilagiiieum, Siv, Australia. 
J5. corcovadense^ Raddi. See brasiliense. 
Gilliesii, See Lomaria procera. 
B. glandulosum^ Link. See occidentale. 
B. gracile^ Kaulf. See longifolium. 
B. hastatnm, Kaulf. Temperate South America. 
B. Lanceola, Siv. Tropical America. 
B. latifolium^ Hort. See longifolium. 
B. longifolmm, H, B. K, Tropical America. 
Var. fraxineum {Willd,). 
Var. gracile {Kaulf,). 
B. melanopus, Hook. India. 
B. occidentale, L. Tropical America. 
Var. glandulosum {Link). 
B. polypodioidesy Raddi. See unilaterale. 
B, punctulata. See Lomaria. 
B. rugosum, Moore. Origin unknown. 
B. triangulares Link. See unilaterale. 
B. unilaterale, Willd. Tropical America. 
B. volubilCj Kaulf. Tropical America. 
Bolbitis. See Acrostichum. 
Botrychium, Sioartz. 
B. Lunaria, Sw, Temperate regions. 
B. ternatum, Sw. North and south temp, zones. 
Var. dissectum, Muhl. 
B. virginianum, Sw. North and south temp, zones. 
