[MATTHEW] A REVIEW OF THE LITTLE RIVER GROUP 131 



EXPLANATION OF PLATES. 

 Plate I. 



Fig. 1. Asterocalamitcs scorhiculoides, n. sp. la Part of the stem, partly de- 

 cortiated. showing two joints and part of two others, Natural size, 

 From Bed 2 Fern Ledges, Lancaster N.B. l.b. A leaf, after Dawson. 

 See p. 102. 



Fig. 2. Astcrophyllites fasciculatus, n. sp. Part of the stem with two groups 

 of leaves. Natural size. From Bed 7. Fern Ledges, Lancaster N.B. 

 Se€ p. 111. 



Fig. 3. AsterophyUites lougifoUus, Sternb. Part of stem showing three nodes 

 and the leaves. Natural size. From Bed 3. Dadoxylon Sandstone 

 Duck cove, Lancaster, N.B., See p. 110. 



Fig. 4. Calamités Suckovii, Brongt. Part of stem showing a node and the scars 

 of the leaf bases. Natural size. From Bed 2. Fern Ledges, Lan- 

 caster, N.B. See p. 97. 



Plate II. 

 Fig. 1. Annularia recurva, n. sp. Part of stem showing three nodes, and the 



leaves. Natural size. From Bed 2. Fern Ledges. See p. 118. 

 Fig. 2. and 3. The same, young shoots, showing the shorter and less numerous 



leaves. Natural size. From Bed 2, Fern Ledges, Lancaster, N.B.) 

 Fig. 4. Annularia (?) ligata, n. sp. Part of stem with three whorls of leaves. 

 Natural size. From Bed 7? Fern Ledges, Lancaster. N.B. See p. 118, 

 Fig. 5. Calamités geniculosus n.sp. Part of stem, mostly decorticated, showing 



leaves extending from three nodes. Natural size. From Bed? Fern 



Ledges, Lancaster, N.B. See p. 99. 



Plate III. 

 Fig. 1. Calamités Cistii. Brongt. mut., n. mut. Part of lower part of the stem 



showing three nodes. Natural size. From Bed 3, Dadoxylon Sandstone, 



Duck cove, Lancaster N.B. See p. 100. 

 Fig. 2. The same. Higher part of the stem showing two nodes : ribs closer than 



in this figure. Natural size. From Bed 7. Fern Ledges, Lancaster 

 N.B. See p. ICO. 

 Fig. 3. Sphenophyllum antiquum, Dn. A single leaflet shewing the venation, &c. 



Mag. ?. From Bed (equivalent to Bed 1 of Hartt's section) at top of 



Dadoxylon Sandstone at Barrack Point, St. John, N.B. See p. 119. 



Plate IV. 

 Fig. 1. Lepidocalamus scutigcr. Dn. Mature stem defoliated. 

 Fig. 2. Same. A younger stem partly defoliated. 

 Fig. 3. Same. Base of two young stems showing increasing space between the 



nodes. 

 Fig. 4. A young shoot with leaves, showing several fertile nodes. 

 Fig. 5. A stem showing one fertile and three abortive nodes. 

 Figs. G and 7. Young shoot, after Sir W. J. Dawson. 

 Fig. 8. Conical spike (apex of stem?) — All Natural size: No. 1 and 2 from the 



Sandstones between Beds 1 and 2 Hartt's section, Nos. 6 and 7 from 



the plant bed No. 1 : Nos. 3.4..5 and 8 from Plant Bed No. 2. See p. 



107. 



Sec. IV,, 1906. 9 



