164 MESOZOIC FLORAS OF UNITED STATES. 



dinate piniuo the laro;e pininr such as are ^iveii hi PI. XLI, Fig. 1. On 

 this fragment the iiUimate piiiii:e of the form given in PI. XLI, Fig. 1, 

 have been reckiced to pinnules. These differ somewhat in shape from 

 the pinnules lower down. They are narrower in proportion to their 

 length. PI. XLH. Fig. 3. shows one slightly restored and magnified. 

 They are all much mutilated and distorted, so that it is difficult to make 

 out their exact original shape. PI. XLII, Hg. 2, shows an attached 

 pinnule enlarged two diameters. They were prohalily wider than they 

 now appear to be. The general character, however, of tliese pinnules is 

 similar to that of those lower down. The ultimate pinna' of this fragment 

 are quite remote. There are small pinnules, one at least, on the main 

 rachis Ijetween the points of attachment of the rachises of the ultimate 

 pinna', l)ut owing to the imperfect preservation they are not distinctly 

 shown. 



Another rock fragment found by Mr. Woolfe contains two imprints 

 which probably l)elong to still other portions of the frond. One of these, 

 given in PI. XLIII, Fig. 1, has its pinnules much distorted in shape. 

 Still they are narrower and probably were more acute than the pinnules 

 .shown on PI. XLII, Fig. 1. The fragment is probably a part of the com- 

 pound pinna nearer its termination than are any of the other specimens. 

 This fragment shows a small piece of a penultimate rachis, which carries 

 several fragments of ultimate pinnae, with a numljer of pinnules. Pinnules 

 on this, too, are borne on the main rachis between the ultimate pinnae. 

 PI. XLIII. Fig. 2. shows several attached pinnides enlarged two diameters, 

 and Fig. 3 gives, slightly restored and enlarged, one of the pinnules of 

 this specimen. In contact with this, but not organically connected with 

 it, is the other imprint. This apparently comes from a position on the 

 frond lower than that of any specimen found. It is a fragment of a 

 penultimate pinna, which carries portions of several ultimate ones. These 

 show, with much mutilation and distortion, a numl>er of pinnules that 

 have teeth similar to those on Dunker's plant. The pinnules, however, 

 are somewhat larger than those of that plant and show teeth on both 

 their margins. PI. XLIII, Fig. 4, represents this imprint; Fig. 5 shows 

 a piiHiule enlarged two diameters, and Fig. 6 gives a pinnule of it slightly 

 restored and enlarged. On the same rock fragment there is another 

 specimen of this plant, on a layer deeper in the stone and only partially 



