8. A. falcata. Schimp. Smaller than last, very fragile black; l. falcato-secund, opaque, from a dilated obovate base abruptly lanceolate-subulate, nerve flattened, ending at or below the apex, which is erose at margin.
Snowdon 1865 and Cader Idris (Schimper); Perthshire (McKinlay).
9. A. nivalis. Hooker. St. longer tufted slender, l. reddish brown, falcato-secund, lanceolate-subulate, acute, gradually tapering and nerved to apex.
Alpine rocks at limit of perpetual snow; Ben Nevis, &c. Summer.
2. SPHAGNUM. Dill.
[Dr. Braithwaite is at present publishing in the “Monthly Microscopical Journal” a Monograph of this genus, but as he has only got some three or four species described, I regret that I cannot avail myself of his valuable researches, and can only publish such species as are known to me. His division of species is as follows:—
| A. | 1 | S. cymbifolium Ehr. |
| B. | 2 | S. tenellum Ehr. |
| 3 | S. rubellum Wils. | |
| 4 | S. neglectum Angst. | |
| 5 | S. subsecundum N. von E. | |
| C. | 6 | S. molle Sulot. |
| 7 | S. rigidum. N. H. & S. | |
| D. | 8 | S. squarrosum Pers. |
| 9 | S. teres Angst. | |
| 10 | S. acutifolium Ehr. | |
| 11 | S. strictum Lindb. | |
| 12 | S. fimbriatum Wils. | |
| 13 | S. Lindbergii Schp. | |
| 14 | S. intermedium Hoff. | |
| 15 | S. cuspidatum Ehr.] |
Sect. I. Leaves obtuse roundish or elliptical.
a. Utricles of branches lined with spiral fibres.
10. S. cymbifolium. Ehr. St. 3–12 inches robust tufted solid, covered with a cortical web. Stem l. lingulate-spathulate with a rounded apex; br. l. imbricate broadly ovate concave cucullate and muriculate at apex; caps. large globose on a short seta: dioicous.