358
7. L. clavatum, Linn.
Bak.
].
c.
Top
26.
of
Phoenix Mt.,
Swatow. 8. L.
carolinianum, Linn.
Wongneichong
1. c. 28. High mountain east of swamp and on top of hills at North in a swamp east of Shatin Pass
Bak.
in a
Point, Hongkong ; road, Hongkong New Territory.
3.—PSILOTUM. 1.
Swartz ; Bak. Fern Allies, 30. Mt. Victoria, Mt. Gough, and in the Happy Valley woods in crevices of rocks, Hongkong.
P. triquetrum,
SELAGINELLACEAE. 1.—SBLAGINELLA.
Key 1.
2.
3.
4.
5.
6.
7.
to species.
Bracts of spikes uniform Bracts of spikes dimorphous ... Main stems decumbent Main stems ascending or erect Base of leaves of lower plane ciliated on upper side Base of leaves not ciliated Leaves of the lower plane oblique, subovate, blue-green ... Leaves of the lower plane oblonglanceolate, pale green
Leaves rosulate Leaves not rosulate Stems ascending Stems erect Leaves to ^ inch long; stems ^ 1
foot long
2, 9. 3. 5.
4. concinna, 4.
1.
2.
'uncinata.
semicordata.
6. involvens. 6. 7. 8.
to
...
5. atroviridis.
Leaves j^
to ^ inch long; stems 1^ to 4 feet long, sarmentose
8.
7. canaliculata,
Leaves of lower plane much imbricated over the stem, close together
8. caulescens.
Leaves of lower plane shghtly imbricated over the stem, spaced 9.
9. flahellata.
Main stems ascending ... Main stems decumbent
13. tenera.
10.
Spikes ^ to 1 inch long Spikes ^ to ^ inch long 11. Bracts of spikes more than 1 line diameter Bracts of spikes | to 1 line diameter 12. Bracts of upper plane cuspidate Bracts of upper plane lanceolate 10.
. .
1.
S.
3.
plumosa. 11. 12.
12. heterostachys.
11. pronijhra. 10. xiphiolepis.
uncinata, Spring
Bak. Fern. Allies, 48. Victoria Peak and Mt. Grough, Hongkong ; Lantao Island, Hongkong a & New Territory; Chaochaufu, '
