Lycopodincese. Equisetaoeae. 
427 
— Ls with entire edges ...... 3 
3. Spikes solitary, sessile ...... 4 
— Spikes 2 — 6 together on a common peduncle . 5 
4. Bracts formed differently to the ls, broad-oval. Stem 
30—70 cm. — Alp. and subalp.; Chasseron, Voirons. 7 
alpinum L. 2580. 
— Bracts differing but little from the ls, only with broader 
base. Stem 5—15 cm .— Peat-mosses; here and there 
(wanting in T. S.). 7 inundatum L. 2581. 
5. Ls all of the same form, arranged spirally in several 
rows, terminated by a long capillary point.—Mossy 
woods, especially on siliceous soil and in the mount, 
and subalp. 7 .... clavatum L, 2582. 
— Ls of the branches arranged in 4 rows, not terminating 
in a hair point. Type ofL. complanatum (also, according 
to Bernoulli, number 2580) ..... 6 
6. Central branch barren, lateral branches alone bearing 
spikes; the other barren, branches spreading like a fan. 
—Forests; doubtful for Switz. 7 * complanatum L. 2583. 
— Central branch bearing a spike; barren branches al¬ 
most parallel, equal in height, narrower.—Tess. 7 
ChamsBCyparissus A. Br. 2584. 
127. Equisetacese. 
679. Equisetum. Horse-tail. XXIV, 4.*) 
1. Stems all of the same form and appearing at the same 
time, green, the branches having a central hollow 2 
— Stems differing in form: the fr.-bearing ones not green, 
at any rate at first, and very unlike the barren stems; 
branches without the central hollow ... 7 
2. Spike mucronate. Stem more or less rough, gen. 
standing the winter ...... 3 
— Spike obtuse Stem smooth, or hardly rough, not stand¬ 
ing the winter ....... S 
3. Sheaths cylindric, closely applied (rarely rather loose) 4 
— Sheaths enlarged above like a cup ... 5 
4. Teeth of the sheaths falling early and only leaving an 
obtusely crenate edge. Stem (gen. simple) between the 
thickness of a goose’s quill and a little finger, with 
18—20 furrows.—b. paleaceum Schleich. Stem slenderer, 
with 10—12 furrows; sheaths rather loose.—Damp woods, 
marshes; scattered (wanting in T. U.). 4 hiemale L. 2585. 
*) See below a second table. 
