21 
BOTANY OF KERGUELEN ISLAND. 
terminal on a short branch, or lateral from the growth of innovations. Finally it 
was discovered that there might he present on the same stem, flowers containing 
antheridia accompanied hy others containing archogonia, and above both these 
another flower in which both organs were intermixed. Thus, with specimens in 
small quantity to examine, the inflorescence might be described as monoicous dioi- 
cous or synoicous, as might chance to liappen to the investigator. 
The European T. Pntice2is was at first correctly described hy De Xotaris as poly- 
gamous in the Bryologia Europea, where it is figured as Jiarhula Miilleri. It is 
there described as hermaphrodite, with a remark in a subsequent note that it occa- 
sionally produced flowers containing archogonia only. In Schimper’s Synopsis and 
in the Bryologia Britannica it is simply stated to bo synoicous. An examination of 
De Notaris’s original specimen shows synoicous fertile flowers with innovations of 
the stem terminated hy flowers with archegonia alone ; in this particular coinciding 
with British specimens. 
The distribution of this species appears to ho very wide, and it would seem to 
he the pi'eponderating if not the only species of the genus in southern regions. From 
X.W. America it extends to Mexico, Chili, and tlic Straits of Magellan ; in Africa 
it is found at the Cape of Good Hope, and may he identical with the liarhnla mollis, 
Schimp., of the Abyssinian Mountains ; it occurs in N.W. India ; it inhabits also 
Xew Zealand, Tasmania, and Australia, from whence several species have been de- 
scribed as dioicous, viz., Barbtila Latroheana, C. Muller (Bot. Zeit. 1864, 358), JB. 
Preissiemia (ejusd. Synops. I. 642), P. pandio'cpfolia (cjusd. et Ilampe, Linnmal853, 
493). No specimen, however, amongst those sent hy Baron F. von Mueller to the 
Kew Ilerharium has been examined without finding its inflorescence monoicous or 
synoicous. There is also Torhila S. 2)nsitla, J. Angstr. from Magellan, described 
as dioicous ? and Barhula Leclileri, C. Muller (Bot. Zeit. 1859, 229), as monoicous. 
All these species or supposed species may he well distinguishable, hut if the 
certainty of the condition of their inflorescence is removed from their descriptions, 
the remainder becomes applicable to T. Princeps, in Avhich the outline of the 
leaves even on the same stems is, as in the European T. ruralis, sulq'ect to a great 
amount of variation. 
2. Tortula (Barbula) serrulata. Hook, et Grev. in Breiost. Eclinh. Journ. 
i. 291, t. 12. 
Kerguelen Island ; a few small barren stems with other mosses, Moseley. 
3. Tortula (Barbula) erubescens, Mitt, in Hook. f. Handbook of New 
Zeald. Plora, ii. 421 (Didymodon). 
Kerguelen Island ; a few fragments, Moseley. 
Very closely related to the T. rubella so widely distributed in northern regions, 
differing chiefly in the longer operculum and larger size of the whole plant. 
1. Streptopogon australis, Mitt, in Linn. Soc. Journ. xv. 66. Humilis. 
Folia inferiora patentia, spathulato-ligulata, ohtusiuscule acuta, nervo in apice de- 
