[MATTHEW] A REVIEW OF THE LITTLE RIVER GROUP 12S 



The great variability in the length of the leaves in a whorl of this 

 species and other differences, seem to me to show its distinctness from 

 A. stellata, althongh Mr. J). White in his description of the size of 

 the leaves of A. stellata evidently merges it with that species, and in- 

 chides it in the synonyiny of the latter.'' 



In the example of this species figured in this paper the long 

 diameter of the whorl is not at right angles to the stem and five or 

 more leaves of the several whorls are wanting, being concealed in the 

 stone. 



Horizon and Locality. — In the Dadoxylon sandstone. Duck Cove, 

 Lancaster, X.B. 



Collected by Mr. A. iG. Leavitt. 



AxN'ULARiA LATiroLiA, Dawson sp. Plate VII, Fig. 2. 



Dawson, Asterophyllites latifolia, Acad. Geol. p. 538, fig. 187, A, B, D. 



This is one of the more common species in the lower beds of 

 Hartt's section, and has been w^eil described and illustrated by Sir 

 AVilliam Dawson. 



There appear to be two forms which are found at different hori- 

 zons. The type of the species is the form found in Beds 2 and 3, 

 and which is figured in Acadian Geology, p. 538, fig 187, A, B, and D ; 

 in this two of the lateral leaves of the whorl are narrower than the 

 other leaves. Sir William's characterization of tlie species is as fol- 

 lows : — 



Stem somewhat slender, ivitli fnJarged nodes. Leaves ohlong- 

 lanceolate, about thirteen in a whorl, one-nerved, longer than the inter- 

 nodes. Length of leaves varying from' one-fourth of an inch near the 

 ends of the branches, to an inch or more. The species differs from 

 A. icpliaides, L. and H., in the number and form of the leaves, and 

 from A. fertUis, Sternb., in the acuteness of the points of the leaves. 



In the work first above cited Sir William figured as the apex of 

 the stem of this species, or the fruit (Fig. 187, B.) a compact cone- 

 like body (with two whorls of leaves below it) of crowded leaves or 

 bracts. In the material in my hands I find no transtition from this 

 to the young barren shoot, and so favour Sir William's second suggestion 

 in reference to this object that it is a fruiting terminal; but if so, it 

 iy undeveloped, as the fruit in Annularia, so far as I have seen it is 

 an elongated spike, resembling that of Calamités. 



^Fossil flora of the Lower Coal Measures of Missouri p. 162 &c. 



