JTRASSIC FLORA OF DOl'OLAS COINTV. OHKC. Ill) 



linear in foiin witli obtuse ends. The glol)ular infioi-escciiee is l)ro;ider 

 than lon<i, haviuii a width of 5 cm. and a hei<:;lit or length of 35 nun. 

 It is fjuite conNcx and stands well out fi'oni the rock. The inflores- 

 cence is liorne on the sununit of a stout peduncle, showing a length of 

 35 nun., being obviously not entire. The entire width is not j)reserved. 

 The ponion shown is 15 mm. wide. This seems to have been largely 

 composed of cellulai' tissue, and to have becMi succulent. In general 

 form the l)racts resemble^ those of W llliditisoin'it (liga^ (Willn.) Can'., 

 as given by Saporta in fig. 2, pi. xvi. Vol. 1\' of the Plantes Jurassiques, 

 but they are not so long as those of Saporta, and do not taper at all 

 toward their tips. 



Wn,Li.\.Mso.\iA '. s|). l-ciiitaiiio. 



Bract of Wu.i.i.vmsonia No. 1. 



PI. XXIX, Fig. 7. 



A thick, fleshy oliject res(>mbling a leaf was obtained from locality 

 No. 7. It is a good deal distorted and has at present an ovate shape. 

 It is somewhat convex from pressure, and on casuid inspection looks 

 somewhat like a nut. It was, however, too soft for this to be the case. 

 It is liroadest at base and tapers ovately to the tip, which is obtuse. 

 The base shows traces of an original cordate shape. At about the center 

 of the basal margin there is a roiuided depression that looks as if the 

 object had been joined to its support by articulation. The fossil looks 

 more like the bi'act of th(^ involucre of some form of Williamsonia. 



WiLLiAMsoNiA ? sp. Fontaine. 



Bracts of Williamsonia ? No. 2 {a, h, c). 



PI. XXIX, Figs. S 12. 



Three objects were found at locality No. 19 that at first sight might 

 seem to ))e nut-like seeds. They are, however, most probably thick, 

 fleshy bracts or leaves, and appear to belong to the inflorescence of some 

 Williamsonia. Although, as shown on the rock, they are slightly con- 

 vex, they are not enough so for a nut-like seed, and l^esides they show 

 evidence of having been too soft for such objects. The leaf substance 

 is represented by a film of coal of considerable thickness, which, how- 

 ever, is not always present, having l)een stripped off. The slate under 

 this coal film shows a distinct nervation, which is not visible on the 



