1 66 Benson . — Telangium Scotti , « Species of 
is T. bifidum . The synangia are still more markedly aggregated than those of 
T. affine . A careful examination of Mr. Kidston’s Figs, i -6, Plate VIII, 
would lead me to conjecture that the synangium is composed of not more 
than ten or twelve sporangia, and that the appearance of a greater number is 
due to the shortness of the ultimate ramifications and hence the almost capi- 
tate condition of the fructification. The dimensions of the synangium of 
T \ bifidum are given by Mr. Kidston as follow : — 
Length, 6-5 — 67 mm. 
Breadth, 3-75— 4 
Mr. Kidston’s Fig. 6 a, Plate VIII, depicts one synangium in which 
bipartition is very noticeable, and may be compared with Fig. 7, which 
represents a synangium of T. Scotti showing the same tendency. 
We see from this review that, as respects size, T. Scotti is intermediate 
between T. affine and T. bifidum , and that it shows many features in 
common with both species. The only species of Telangium recorded so far 
from the Upper Carboniferous 1 is T. asteroides. This is generally repre- 
sented as having had but six sporangia in its synangium, but I have not 
been able to confirm this from the specimens preserved in the British 
Museum. The longitudinal dimension of the synangium is a little over 
3 mm. The synangia are borne on branching petioles like those of 
other species. Owing perhaps to its imperfect preservation it does not 
seem to be so near T. Scotti, the new Upper Carboniferous form, as 
do several of the species already referred to, which belong to the Lower 
Carboniferous. 
As the attribution of Telangium Scotti to Lyginodendron was at the 
time 2 partly based upon what Dr. Scott and I now consider to be 
a misinterpretation of Stur’s type specimens of Calymmatotheca Stangeri, 
it remains for me to discuss what evidence is still available in support 
of the view adopted in the preliminary note 2 to the present paper. 
Not only is internal evidence available owing to the preservation of the 
tissue of Telangium Scotti, but the recent announcement 3 on the part of 
Messrs. Oliver and Scott that the seed Lagenostoma Lomaxi grows attached 
to an envelope showing characteristic structural features of Lyginodendron 
Oldhamium has given unexpected opportunity for further comparison. 
The evidence may now be summarized under the following headings : — 
1. Association and character of impressions or casts. 
2. Association of petrifactions. 
3. Character of tissue. 
4. Correspondence between the spores of Telangium Scotti and the 
1 Potonie’s statement in Engler’s Pflanzenfamilien, Teil I, 4. Abteilung, p. 449, that Calym- 
matotheca belongs to the 1 Ober-Carbon’ seems due to an error, as he does not refer to C. asteroides. 
2 Benson, The Fructification of Lyginodendron (note), Annals of Botany, xvi, 1902. 
3 Proc. R. S., vol. lxxi. 
