THE VEflETAlION OF THE JUAN FERNANDEZ ISLANDS 94 1 



A. On the banks and boulders. 



Dendrolii^oiriihum dcndroidcs greg. Meis^eria multiformis greg. 



Hypopterygium Tlwuini Pallavicinia xiphoides greg. 



Rhaphidostegium caespitosoides Plagiochila chiloensis 



Rhizogonium mnioides SchistocMla berteroana 



Hymenophytum flabcllatum Pdtigera polydactyla 

 Megaceros Jucgiensis 



Under the overhanging side of the boulders 

 Hymenophyllum caudim/aium Hymenophylium plicatum 



On a fallen trunk, stuck between boulders, a cover of Riccardia adglutinatn. 



B. On the vertical face of the threshold. 

 Marginal zone, periodically dry 

 Cvptodon crassineri'is Porothamnium fasciciilatum 



Lecanora masafueiana 



Central zone, nearly always washed 

 Oncophorus fucgituius Sciaromium pachyloma greg. 



71. (30 C.) "Clifif forest" on the canyon wall of Ouebrada Angosta, c. i km 

 from the entrance and a little below the first threshold, 12/3 191 7. This is the 

 narrowest of the deep canyons, only about 5 m wide. Walls vertical, streambed 

 occupying the entire width of the floor. In dry weather only pools left here and 

 there. Degree of covering not estimated and no bryophytes or lichens collected. 



Ill — 11:3 Hypolepis rugosula 



Cofirosma Pyrifolia Libertia formosa 



Dendroseris macrophylla Peperotnia berteroana 



Myrceugenia Schulzei Polypogon crinitus 



Sophora masafuerana Polystichum vestitu?n 



Ptcris berteroana 

 11:1 



11:3 

 Dryopteris inaequalifolia 



Gunnera Masafuerae Adiantum chilense 



Nicotiana cordijolia Asplenium dareoides 



Blechnum auriculaium 



II- 2 » valdiviense 



Agrostis stolonifera Erigerofi rupicola 



Blechnum chilense Mimulus glabratus v. externus 



» longicaiida Parietaria debilis v. fernandeziana 



Bromus fernandezianus Petroselinum crispum 



Erigeron fruticosus Wahlenbergia Masafuerae 

 Halorrhagis asperrima 



72. (20 B.) Quebrada de la Loberia Vieja. Very high, vertical waterfall in 

 the bottom of the gorge, c. 190 m above sea-level, 17/2 1917. There was no 

 water at the time of our visit. 



A. Gunnera Masafuerae-Blechnum longicaudaSoc\dii\on. On the banks, sprayed 

 when the jet of water comes down. 



11:3 11:2 



Gunnera Masafuerae i Blechnum longicauda, a large patch 



Histiopteris incisa i 



