DUSEN : THE VEGETATION OF WESTERN PATAGONIA. 7 



bers, carpeting the ground and covering the fallen trees with a coating of 

 pure green. Here thrive species of Schistochila, such as the pretty S. 

 lamellistipula Steph. and S. lamellata Hook., many Lophocolece (but only 

 one in large numbers, namely, the splendid Lophocolea gottscheceoides 

 Mass.), Tylimanthus brecknockiensis (Mass.) Steph., numerous species of 

 PlagiocJiila, for instance, P. longissima Steph., P. elata Tayl., P. duri- 

 caulis Hook, et Tayl., P. dura De Not, P. obcuneata Steph., and P. pata- 

 gonica Besch. et Mass. Epiphytic on other mosses and on Hymenophyl- 

 lacece are Chiloscyphus striatellus Mass., Balantiopsis chilensis Steph., 

 Mastigobryum lechleri Steph. and M. peruvianum Nees, Aneura crispa 

 Schffn. and A. prehensilis (Tayl.) Mitt., Anthoceros endivcefolius Mont., 

 besides many others of less importance. The Musci, as I have previously 

 stated, are sparingly represented and chiefly by species of Pterygophyllum, 

 Mniadelphus, Eriopus and Hypopterygium. Dicranum, Campylopus, Ulota 

 and other genera, elsewhere rich in species, have only a few representa- 

 tives in the denser and darker forests. 



Far richer in species is the flora of the less thickly wooded ground, with 

 its better light. With the exception of Lebetanthus myrsinites (Lam.) 

 Endl., the same phanerogamic plants are found here as in the denser 

 forest. With these are associated Philesia buxifolia Lam., Chiliotrichium 

 diffusum Forst, Myrteola nummularia (Poir.) Berg., Empetrum rubrum 

 Vahl., Escallonia serrata Sm., Accena pumila Vahl., Pinguicula antarctica 

 Vahl, Senecio smithii DC., Perezia magellanica (Linn, fil.), Lag., Lageno- 

 pJwra niidicaulis Comm., Phyllactme uliginosa Forst., Senecio trifurcatus 

 Less., Tapeinia magellanica (Lam.) Juss., Marsipospermum grandiflorum 

 (Linn, fil.) Hook., Carex microglochin L., subsp. fuegma Kiikenth., Fes- 

 tuca commcrsoiiii Franch., Deschani"psia kingii (Hook, fil.) Desv., and 

 Blecluutm magellan icum (Desv.) Mett, besides the gregarious species, 

 Donatia fascicularis Forst., Astelia pumila (Forst.) R. Br., Gaimardia 

 aitstmlis Gaud., and Oreobolus obtusangulus Gaud., each of them forming 

 large and thick clusters and often accompanied by Tetroncium magellani- 

 CIDII Willd., Drosera tmiflomWilld., and two species of Caltha, C. dionece- 

 folia Hook., and C. appendiculata Pers., the former especially growing in 

 compact groups. 



It should be explained that by far the largest part of the ground in the 

 thinly wooded section is occupied by mosses, which give it a yellowish 

 brown tint, not only in the wooded places, but also in the treeless areas 



