BOTHRODEXDREiE. 165 



bears, immediately beneath, the leaf-scar, a small tubercle with 

 a circular or sub-triangular depression. Fructification borne on 

 Halonial branches." 



The above description is that given by Mr. Kidston * in his 

 memoir on the genus Lepidophloios. 



L. laricinus is an Upper Carboniferous species, found com- 

 paratively rarely in the British Coal Measures, but more abundantly 

 in Continental beds of similar age. Zeiller 2 in 1895 showed that 

 tbis plant also occurs associated with the Glossopteris flora in 

 Brazil ; another instance of the identity of the Lycopodean element 

 of the Permo- Carboniferous flora both in the Northern and Southern 

 Hemispheres. 



It may be also noticed that Johnston 3 has figured a small and 

 imperfect fragment from Tasmania as being possibly a Lepidophloios, 

 which he also compares with Sigillaria Brardi; but for the present 

 this record must remain doubtful. 



Distribution. — Permo- Carboniferous (Glossopteris flora) : — Brazil. 

 Upper Carboniferous (Northern Type): — Britain, France, Germany, 

 Austria, Russia, North America, and elsewhere. 



L. laricinus is represented in the British Museum collection by 

 both British and foreign examples belonging to the Northern flora. 4 

 There are, however, no specimens from Brazil. 



Family BOTHEODENDEE^E. 



Arborescent Lycopods, dichotomously branched. Leaf-cushions 

 absent or feebly developed. Leaf-scars distant, small, oval, bearing- 

 three prints. Bark ornamented with delicate stria?, or smooth. 

 Leaves small, linear - acuminate, or lanceolate. Cones similar 

 in form to Lepidostrobus, borne terminally, or in two opposite 

 longitudinal rows on the stem. 



The Bothrodendrese, consisting of a single genus Bothrodendron, 

 is a small but interesting family of arborescent Lycopods of great 

 antiquity, appearing first in the Upper Old Bed Sandstone of the 



1 Kidston (93), p. 556. 



2 Zeiller (95 1 ), p. 962 ; (95-), p. 617, pi. ix, figs. 1-3, la, 2a. 

 ? - Johnston (88), p. Ill, pi. viii, fig. 2. 



* See Kidston (86), p. 169. 



