Topofjrai)]ilcnl Botany of Scotland . 103 



Lorn. This slioukl prove a rich field for tlie botanist, as 

 it has an extensive littoral, and also great elevations. The 

 highest mountain in this district is Ben Cruachan, with a 

 height of 3670 feet, but there are other peaks with an 

 elevation of over 3000. The Arctic-Alpines are largely 

 represented on the high mountains that border Perthshire 

 where the mica schist rocks are met with. Only 331 

 plants are recorded. 



99. Dumharton. — This is a comparatively small county, 

 but extends from the sea-level up to 3091 feet, the 

 height of Ben Vorlich. The number of plants noted is 

 468. 



100. Clyde Isles. — This vice-county comprises Bute, 

 Arran, Cumbrae, and other isles in the Firth of Clyde 

 between Cantire and the coast of Ajt. The highest 

 mountain in this district is Goat Fell, in Arran, with an 

 elevation of 2863 feet. The area covered by these islands 

 is very restricted compared with some vice-counties we 

 have referred to, but 604 plants liave been observed. 



101. Cantire. — This vice-county is the long promontory 

 that forms part of the county of Argyll, and stretches 

 southwards from the isthmus that separates East and 

 West Loch Tarbet to the Mull of Cantire. It covers 

 a comparatively small area, but has at least one ele- 

 vation of 2000 feet. The number of plants recorded 

 is 418. 



102. South Ehudes. — The islands comprised in this 

 district are Islay, Jura, Gigha, Scarba, Colonsay, and 

 Oronsay, with the smaller islands adjoining. The highest 

 mountain is Beinn-an-Oir, one^of the Paps of Jura, with an 

 elevation of 2565 feet. The plants recorded number 

 462. 



103. Mid Ehudes. — The islands that compose this vice- 

 county are Mull,"* Coll, and Tiree, with the islands that 

 adjoin them. There are high mountains in Mull, but only 

 one exceeds 3000 feet in height, viz., Ben More, with 

 an altitude of 3185 feet. The number of plants noted 

 is 414. 



104. North Ehudes. — The group of islands that form this 



* Trans. Bot. Soc. Ed., vol. xiii. p. 234, "George Eoss, on the Flora of 

 Mull." 



