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ee 
98 
EH. Acutiroria, §. 1. widely bordered, sometimes toothed. B. 1. acute, 
sometimes squarrose. 
(14) S. patulum, S. 1. with white fibres. 
(15) — rubellum, Wilson, Dioecious, red. B, 1. secund. 
(16) — ambiguum, Br., Dioecious, plants tall and slender. S. 1. obtuse 
or toothed, with fibres. 
(17) — fusewm, Dioecious, S. 1. destitute of fibres. 
(18) — tenwe, Dioecious, pinkish, whole plant fine and delicate. 
(19) — purpurewm, 8. 1. short, acute, widely bordered. B. 1. secund, 
purple. 
(20) — lete-virens, Brthw., always green. 
(21) — deflecum, 8. 1. large, point recurved, no fibres. 
(22) — luridum, branches equal, directed upwards. 
(23) — elegans, Br., leaves never secund, 5S. 1. destitute of fibres. 
(24) — acutifolium, Ehrh. 
. Crispa. S. 1. ovate or cuncate ; cells much smaller than in the other 
sections, and elongated with fine fibres. 
(25) S. cuspidatum, Ehrh., branches cuspidate and long. 
(26) — falcatwm, branches cuspidate and falcate. 
(27) — plumosum, closely branched. B. 1. long and spreading, toothed 
along the margins. 
(28) — brevifolium. 
(29) — intermedium, Hoffm., leaves recurved, long, acute. 
(30) — pulchrum, B. 1. oblong, abruptly acuminate. 
(31) — riparium, branches very long and drooping. 
(32) — Wulfii, Girgens, branches very short, and numerous in each 
fascicle. 
. SuBsEcUNDA, §. 1. often bluntish, or toothed with fibres. 
(33) S. contortwm, branches contorted, sometimes cuspidate, stem black, 
with single layer of cortical cells. 
(34) — obesum, as above, but branches not contorted. 
(85) — auriculatum, branches cuspidate, leaves slightly squarrose at tip. 
(36) — laricinwm, Spruce, double layer of curved porous cortical cells. 
(37) — subsecundum, Schimper, leaves secund. 
. TENELLA. Leaves ovate, concave, and moderately acute ; stem ‘small, 
soft, and flaccid ; cells much larger than in F and G, cortical cells, 
large, porous, curved. 
(88) S. molluscwm Bruch., 8. 1. ovate, when flattened blunt and toothed. 
B. 1. roundish-ovate, concave, more or less acute. 
(39) — longifoliwm, whole plant stronger and leaves larger than in last. 
Section III. Ovara, S. 1. small, ovate, concave, sometimes slightly 
fimbriated. 
(40) S. compactwm Bridel, B. 1. large, concave, and hooded. 
(S. syuarrosum, leaves very squarrose.) 
(41) — rigidum, stem rigid and brittle. 
