Page:Books from the Biodiversity Heritage Library (IA synopsisofbritis00hobk).pdf/198

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APPENDIX.

I. ADDITIONAL SPECIES.

Sphagnum laricinum. Spruce. (S. neglectum, Angst.) St. 4-6in. solid, the bark pale, of 2-3 layers of cells. Br. fascicles more or less crowded, of 3-4 br., of which one or two are divergent, the others pendent, but not appressed nor acute. St. l. small ovate, cucullate at apex, at last minutely fimbriate, patent or reflexed; basal cells hyaline utricular, the middle and lateral very narrow, the apical rhomboid, with scarcely any fibres or pores; br. l. sub-secund, recurved at point, ovate, shortly and bluntly acuminate, the point with 3-5 teeth, margin recurved above, rather broadly bordered; hyaline cells serpentine elongate, with many threads and pores; caps. scarcely exserted. [Dr. Braithwaite, Monthly Micros. Jour., 1872, p. 159.]

Deep bogs.

Terrington Carr, Yorkshire, 1846 (Spruce); Holyhead (Wilson); Braemar, 1868 (Hunt).

Dicranum undulatum. Ehr. St. naked and decumbent at base; l. patulous, upper falcato-secund or appressed and slightly secund from a broad oblong base, lanceolate, gradually narrowed into a dagger-shaped point ending somewhat abruptly in the acute apex, beautifully undulate in the upper half, carinate; margin revolute below, coarsely serrate above with spinulose irregular teeth; nerve flattened, narrow and extended to apex, narrowly two-winged and serrate at back; cells elongate oblong or elongate hexagonal, those of central base sub-quadrate and hyaline. [Dr. Braithwaite, in Grevillea, i., 108.]