PROFESSOR JOHN HUTTON BALFOUR. 209 
Dr. Greville gathered Déatomella Balfouriana and other 
Diatomacez. 
Changed horses at Callander at Menzies’ Inn—Menzies had 
been a keeper at Braemar when Greville, Brand, and I visited 
that part of the country in 1847. Met Mr. Hill and his son at 
Callander. Proceeded by the Pass of Leny to Loch Lubnaig. 
Gathered :— 
Nuphar luteum Nymphea alba 
»» pumilum Lysimachia vulgaris 
Again changed horses at King’s House, near Lochearnhead. 
Walked from Lochearnhead to the summit of the Pass. On the 
way gathered many good mosses and diatoms :— 
Bryum elongatum Orthotrichum rupestre 
Didymodon capillaceum Blindia acuta 
Neckera crispa Hypnum myosuroides 
Bryum alpinum Sticta fuliginosa (Bracklinn 
» nutans Bridge) 
»  julaceum (in abun- 
dant fructification) 
Reached Mrs. M‘Tavish’s Inn at Killin at 7 p.m., and were all 
comfortably accommodated. Met Mr. Rattray, who joined the 
party. Met also a Mr. Young, who was making a collection of 
ferns ; he was particularly interested in the ferns of Wales, and 
was engaged in publishing a work on the subject, illustrated 
by specimens. 
Saturday, 4th August 1855. 
Party numbering 21, including Mr. Young from Wales, 
proceeded at 8 a.m. to Craig Chailliach. 
In Finlarig woods gathered Linnea borealis and Habenaria 
chlorantha. Noticed particularly Watson’s regions in ascending, 
characterised by Rubus Chamemorus, Calluna vulgaris, Erica 
Tetralix, Pteris aquilina. 
On reaching the foot of the cleft on Craig Chailliach, gathered 
Polystichum Lonchitis, Polystichum lobatum and varieties. 
Ascended the hills and went along the foot of the high cliffs 
till we reached a deep ravine by which we ascended to the 
