FERN HOUSE 101 



Ord. 2. POLYPODIACEAE (cont.) Ord. 2. POLYPODIACEAK (cont.) 



Fam. 4. Aspidieae Fam. 6. Acrosticheae 



Nephrodium chinense Platycerium aethiopicum 



,, odoratum ,, alcicorne 



,, pallidum,var. cris- veitchii 



tatum Ord. 3. CYATHEACEAE 



proliferum Alsophila atrovirens 



Polystichum cristatum, var. trun . 



variegata Dicksonia culcita 



,, isus smensis 



Fam. 5. Polypodieae Or(L 5' SCHIZAEACEAE 

 Polypodium adnascens Aneimia P h y llitides 



aureum Lygodium japomcum 



,, glaucum Ord. 6. OSMUNDACEAE 



,, ixioides Osmunda japonica, var. corym- 



,, pectinatum bifera (in Green- 



,, pustulatum house) 



Gymnogramma chrysophylla ,, javanicum 



Many tropical Selaginellas occupy the shelf on the south 

 side of the house. Although all the living forms are plants 

 of small ^ize at the present time, yet in the geological past 

 their near relations, the Lepidodendrons , filled the extensive 

 swamps which have largely helped to form the coal measures. 



Dr. Daubeny demonstrated the presence of a large percent- 

 age of alumina in the ashes of some of the species of Selaginella. 



The following are grown now, and those marked with a * 

 were also in the collection in 1856 : 



Selaginella albonitens S. lepidophylla * S. suberosa 



amoena S. martensii, Mexico * S. victoria 



canaliculata S. patula S. viticulosa * 



,, densa elegans S. plumosa * S. wallichiana * 



emiliana S. serpens S. vvatsoniana 

 grandis 



Under the name S. lepidophylla, from Mexico there is a 

 beautiful little plant possessing hygrometric properties. The 

 fronds are arranged in a kind of rosette, and when dry are 

 rolled inwards, so that the plant then resembles a ball, If 



