Llavea
(named in honour of M. la Llave, the discoverer of the species). ORD. Filices. A monotypic genus, the species being a stove fern. It requires a compost of peat and sand, and plenty of drainage. See also Ferns. L. cordifolia (cordate-leaved). sti. 1ft. long, strong, erect, fibrillose towards the base. fronds 1ft. to 2ft. long, 6in. to 12in. broad, tripinnate; the lower sterile, with stalked ovate segments, 1 1/2in. to 2in. long, 1/2in. to 3/4in. broad; the fertile segments of the upper part pod-like, 1 1/2in. to 3in. long. sori linear, occupying the whole length of the changed pod-like segments of the upper part of the frond; involucre the same shape, rolled over, and quite concealing the sori. Mexico, 1853. SYN. Ceratodactylis osmundioides.