196 KEY TO THE GENERA AND SPECIES OF BRITISH MOSSES, 
SricryostpHon Decarsner mihi.—Radix fibrosa? Frondes 4-6 
unc. alts, cespitose, filiformes, seta porcina crassiores, cylin- 
dracee, flexuose, plus minusve ramos, ramificatione valde 
irregulari. Rami primarii elongati, sepe simplices, ramulis longis 
simplicibus, sepissime secundis curvatis v. incurvis vix attenuatis 
laxe donati; zoosporangiis singulis aut binis aut pluribus in soris 
aggregatis. 
Cladothele Decaisnei Hk. f. et Harv. 
Expranation oF Prate 306. — Fig. 1. eae Decaisnei, nat. size 
2. Longitudinal section of thallus, x 100. 3. Transverse section of thallus, 
with central patna: space, x 100. 4. Transverse section of solid 
thallus, x 100. lurilocular EE eings: x 250. 6. Surface view of thallus, 
with sporanges, x 
Nore.—On completing = non of this form, I boa n- 
tioned the result casually in a letter to M. Bornet, and named 
Stictyosiphon as the genus in i mhich 3 cone to lan, Cladothel, 
He very kindly told me what had until then escaped my n 
that in the Mission Scientifique du Cape Horn (Botanique), 
1889, p. 41, M. Hariot had mentioned briefly Cladothele Decaisnei, 
and had proposed to place it among the rdarie@ near Stereo- 
cladon. On referring to this note, I find that M. Hari 0 
seen a specim Herb. Montagne, gives the genus this position 
en in 
He gives no account of its structure, and does not say whether he 
has seen the sporanges ; nor does he propose to merge the genus in 
Stereocladon, or another, but merely remarks that it needs further 
investigation. I am, however, seaihad to find that in so weighty a 
matter as the transference of this t type from the green Algs to the 
brown I have the advantage of agreement on the part of so excellent 
an authority as M. Hariot. 
KEY TO THE GENERA AND SPECIES OF BRITISH 
MOSSES. 
By toe Rev. H. G. Jameson, 
(Concluded from p. 147.) 
HE’ . 
1 { St. ls. reeurved; lid conic 
(St. Is. patent; lid rostrate 
dimorpnhum 
- 
, Z 
LL 
HYLOCOMIUM, 
1! (St. villous 9 
(St. thickly clothed w. branched green villi . 4 
g | St. ls. cordate at base, v. spreading, not recurved............ triquet 
ist. t. ls. widely ovate at base, not cordate, rapigea oo iar 
au recurved in all dir directions, sc. 9 ong 
