Blechnum
Family – Polypodiaceae.
A cosmopolitan genus of ferns with 220 species. The following species are commonly grown.
Blechnum cartilaginem
Stipe scaly ,covered with short , hard , tubercular excrescences Fronds pinnate , broadly lance-shaped.
Blechnum Occidentale
Stipes erect , scaly , fronds pinnate , lance –shaped , acuminate.
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