BY P. N. TREBECK. 495 



Genus, Asplenium. 



Asplenium bulbiferum. Growing near the head of the Water- 

 fall Creek in damp places, near the junction of the basaltic and 

 sandstone rocks. 



Asplenium jliccidum. This variety is rare. It grows on rocks 

 and occasionally on roots of trees. 



Asplenium jlabellifolium (repens). Very plentiful ; would make 

 an excellent fern for hanging baskets. 



Asplenium Jlabellifolium var. cristatum. This is a pretty sport 

 of the former, and only found in one spot in basaltic soil. 



Genus, Adiantum. 



Adiantum formosum sometimes called giganteum. In the Water- 

 fall and Cascade Creeks. 



Adiantum jEthiopicum. Only a small patch towards Crab 

 Creek. 



Adiantum affine. Found only in one place on Mr. Gregson's 

 land. 



This genus appears very scarce at Mt. Wilson. 



Genus, Doodia. 

 Doodia aspera. Not plentiful. 



Genus, Aspidium. 



Aspidium aculeatum, and Aspidium falcatum. Both growing 

 luxuriantly on the crowns of the hills and down the slopes. 

 Both have proliferous buds near the end of the rachis, which 

 produce leaves and roots before falling off. 



Aspidium decomposition. An elegant fern, with fronds beauti- 

 fully divided. 



Aspidium tenerum. A delicate graceful fern with somewhat 



membranous fronds. 



Genus, Davallia. 



Davallia dubia or australis. Though one of the commonest is 

 an elegant fern, and grows plentifully both in the basaltic and sand- 

 stone soils. 

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