2 _ REVUE BRYOLOGIQUE 
 Trematodon brevicollis Hornsch. — Upper slopes of the Mont 
Dolin above Arolla at an altitude of about 8500 feet, c. fr. 
_ Dicranella Grevilleana Schp. — Sandy ground by the Navigenze 
+ near Zinal,c.fr, . ; is 
= Dicranoweisia compacta Schp. — Col de Sorebois above Zinal 
and rocks below the glacier des Ignes, Arolla, c. fr., fine and: 
_fairly common in the latter locality. 
Campylopus Schimperi Milde. — À slender golden yellow form 
occurred on the Mont Dolin with 7remalodon brevicollis. 
 Dicranum fuscescens Turn. var. flexicaule Wils. — Rocks ih 
the wood between Zinal and Grimentz: a tall form of the variety 
= with narrow strongly secund leaves. 
_ Dicranum Mühlenbeckii Br. Eur. — Alpe de l'Allée Zinal, where 
it was not infrequent just above the tree line, The barren plant 
_ has the shorter leaves with a broader lamina and smaller areola- 
_tion of the variety well characterized, but a small tuft growing 
with it with a few capsules is nearer the type. — Dicranum albi- 
_cans Br. Eur. — Rocks near the glacier des Ignes, Arolla and on 
the rotten wood of the roofs of chalets in Zinal. — D. strictum 
Schleich. Very fine, but generally sterile on the chalet roofs in 
 Zinal. À few capsules were found on one roof and also on the 
_ planks of a bridge across the Navigenze close to Zinal. ae 
_ Grimmia Mühlenbeckii Schp. — Rocks in the wood between, 
Zinal and Grimentz c. fr. G. Doniana Sm. An. alpine form of Les 
this common moss in blackish tufts, generally fruiting rather 
_Sparingly, occurred at Zinal and Arolla up to an altitude of at least 
9.000 feet. À curious feature was that the capsules of this form 
-appeared to mature earlier than those on plants from a lower ++ 
elevation in the same district. G. tergestina Tomm. Hot dry rocks 
at Sion, fruiting sparingly. — G. Mollis Br. Eur. Stones in the” 
Streams from Besso above Zinal at altitude of between 9,000 
_and 10,000 feet. re 
… Pottia latifolia C. M. — Col de Sorebois above Zinal at an: 
altitude of about 8.500 feet, c. fr. A, Lt 
 Tortula aciphylla Hartm. var. mucronala Sendt. — Generally 
Speaking a dry warm situation causes the hair point in T'ortula 
to become more strongly developed. 1 was therefore a little sur- . 
prised to find this muticorus form not uncommon on the dry 
exposed rocks above Sion, where it was fruiting heré and there, 
hough most of the capsules were much injured by the drought. 
— T°. mucronifolia Schgr. Zinat, c. fr. É 
= Molendoa Sendineriana Limp. — Moist rocks near Haudères 
in the Val d'Hérens, with old and immature Capsules. The fruiting 
