J. & Newberry — Phastic Plants from Honduras. 343 



Frankens and to Nathorst's Florau vid JBjuf ' ; a number of 

 the species being identical and others closely allied. 



The localities nearest to Honduras where fossils indicative 

 of Triassic age have been before discovered were in Sonora, 

 Mexico, 2000 miles north, and in the Andes of Peru, where 

 Triassic rocks were found by David Forbes, 2000 miles south. 

 The plants contained in the collection made by Mr. Leggett 

 are here briefly described : 



Zamites (Pterophyllum) Rolkeri Newb. Figs. 1, 2. 



Frond a foot or more in length by two inches in width ; 

 rachis chaffy ; pinnules diverging from the midrib at an acute 

 angle, alternate, closely set, attached by the entire breadth of 

 the base to the upper surface of the midrib, which they com- 

 pletely cover ; summit rounded or blunt-pointed ; nerves fine, 

 parallel. 



This plant has the general aspect of those described by Heer 

 in the Flora Arctica, vol. iii, PL XIV, XV, xvi, under the names 

 of Zamites speciosus, Z. borealis and Z. acutipennis, and 

 should be placed in the same genus. It also still more closely 

 resembles Pterophyllum Nerbuddaicum Feistmantel (Flora 

 of the Jabalpur Group, p. 14, PI. vi, figs. 9, 9a), and " Zamites 

 obtusifolius" and " Pterozamites gracilis" of Emmons (Amer. 

 Geol. Kt, vi, p. 118, 119, figs. 85, 86). 



It is evident that all these plants should be separated from 

 Zamites if Z. Feneonis Brongt. be taken as a type of that 

 genus. And they cannot be included in Pterophyllum if, 

 with Schimper and Schenk, who have given us the latest and 

 best classification of fossil cycads, we restrict that name to 

 those in which the pinnules are set at a right angle with the 

 rachis and are connate at their bases. Some writers would put 

 them in Ctenophyllum and they are certainly closely allied 

 to the group of cycads typified by Pterophyllum peeten of 

 Lindley and Hutton (now Ctenophyllum), but have little in 

 common with the gigantic Ctenophyllum grandifolium of Fon- 

 taine (Older Mesozoic Flora of Virginia), in which the pinnules 

 are set on the side of the rachis, have the bases dilated and are 

 sometimes a foot in length by half an inch in width. 



Zamites (Otozamites) Leggetti Nevvb. Figs. 3, 4. 



Fronds linear, one and a quarter inches in width by eight to 

 ten inches in length ; pinnules alternate, crowded, set on the 

 upper side of the rachis, their bases meeting above, closely 

 approaching below ; in form they are oblong or linear, ob- 

 liquely rounded above, sometimes slightly rounded at the base ; 

 nerves fine, radiate below, parallel above. 



