ACOTYLEDONS. — nEPATiC/T.. Jungemumma. 1 1 1 



Hab. Crevices of rocks in the Highlands, Dickson. 

 \\'ith this plant of Mr. Dickson's also I am unacquainted, nor is it 

 taken up in E. But. 



3. JUNGERMANNIA. 

 Common receptacle of the fruit none. Perianth or calyx nio- 

 nophyllous, tubular (rarely wanting). Capsule -1-valved, ter- 

 minating a peduncle which is longer than the perianth, 



A. Leafy. 



t Stipules none. 



a. Leaves inserted on all sides. 



1. J. trichophylla, stem creeping irregularly branched, leaves 

 imbricated on all sides here and there fasciculated setaceous 

 jointed patent straight, fruit terminal, cal. oblong the mouth 

 contracted ciliated. Hook. Jnvg. t. 7- 



Hab. Moist rocky places. On Craig-alleach and SchechalUon in 

 Breadalbane, Perthshire, and on Ben Luyal, in the N. of Sutli^r- 

 land. Hook. 



2. J. setacea, stem creeping branched in a somewhat pinnated 

 manner, leaves imbricating on all sides binous setaceous joint- 

 ed patent incurved, fruit terminal on proper short branches, 

 cal. Gi)long, the mouth expanded ciliated. Hook. Jung. t. 8. 

 and Suppl. t. I. 



Hab. Auchindenny woods, Edinb., Mr. Greville. 



3. J. julaceay stem nearly erect irregularly branched filiform, 

 leaves quadrifarious ovate closely imbricated erect acutely bifid, 

 the segments lanceolate acuminate subserrate those of the pe- 

 richaetium 4-partite, fruit terminal, cal. oblong plicate above, 

 the mouth open toothed. Hook. Jung. t. 2. Ughtf. p. 785. 



/3. gracilis, stems elongated, leaves small rather distant. 



Hab. Summits of Ben Lomond, the Breadalbane and other moun- 

 tains, plentiful. /3. On Ben Nevis, Hook. 



Grows in large, dense, compact tufts, with frequently a white hoari- 

 ness upon it. 



4. S.juniperina, stem erect flexuose subsimple elongated filiform, 

 leaves quadrifarious falcato-secund linear-lanceolate bipartite, 

 the segments straight acuminate, fruit terminal, cal. ovate 

 leafy. Hook. Jung. t. A. 



Hab. Scotch mountains, plentifully, as Ben Lomond, Cairn-gorum, 

 Ben Nevis, Ben Lawers, Ben Arthur, Ben-y-caillich in Skye, &c. : 

 — but the finest specimens I ever saw (almost 1 foot long) were 

 by a cascade in a glen near the head of Loch Lomond. 



Growing in large tufts of a fine yellow brown colour. 



5. J. Hookeri, stem erect somewhat branched, leaves imbricated 

 on all sides ovate or oblongo-ovate here and there lobed or 

 angled, fruit terminal, cal. none, calyptra large oblong fleshy 

 smooth, capsule oblung. Hook, Jung. t. 54. 



