76 



described as Magnolia tenuifolia (PL xxi, Fig. 1) has a corresponding outline 

 with this one, but the substance of the leaf is thinner, and the secondary veins 

 at a more open angle of divergence. What is said of the relation of this form 

 to Quercus benzoin, Lesqx., of Nanaimo, in Trans., {Joe. cit.,) is in the same 

 decree of uncertainty as before, for the reason that the specimens could not 

 be compared. 



Habitat. — Near Fort Harker, Leconte. 



Persea steenbeegii, Lesqx., PI. vii, Fig. 1. 



Leaf large, thick, coreaceous, entire, broadly oblong, oval or obovate, obtusely pointed (?) (point 

 broken,) tapering by a curve to the base ; nervation pinnate, coarse, very distinct, caniptodroine. 



Ficus stembergii, Lesqx., Hayden's Report, 1872, p. 423. 



Judging from the preserved part of this fine leaf, its length is 15 to 

 16 centimeters, 10 centimeters wide above the middle; it is of an obovate 

 form, perfectly entire, pinnately nerved, with secondary veins thick, alternate, 

 distant, separated by some shorter veins in a broader angle of emergence and 

 not as thick, which anastomose with nervilles or branches of the principal 

 secondary divisions ; these are parallel at an angle of 50° to the medial nerve, 

 curving near and along the borders, branching in the upper part by oblique 

 divisions, or marked in their whole length like the medial nerve by very strong 

 nervilles, nearly as thick as the tertiary veins, which, by joining the opposite 

 ones and anastomosing, form a large loose reticulation composed of square or 

 rectangular meshes. 



According to the remarks of Saporta, this leaf compares still better to 

 species of Persea, as, for example, P. gratisima, Gartn., especially the var. 

 vulgaris, with obovate leaves, a form extensively represented in the southern 

 parts of the North American continent from Cuba to Brazil. 



Habitat, — Near Fort Harker, eight miles south of the station. 



Laurophyllum reticulatum, Lesqx., PI. xv, Figs. 4-5. 



Leaves coriaceous, oblong, linear lanceolate, entire, gradually taperiug to the base, and decurrent to 

 a thick costa ; nervation pinnate ; secondary veins open ; areolation loosely distinctly reticulate. 



Laurophyllum reticulatum, Lesqx., Hayden's Report, 1872, p. 425. 



Leaves of a thick consistence, from 10 to at least 16 centimeters long, 

 and from 2 to 4 centimeters wide, entire, linear-lanceolate, tapering from the 

 middle upward to a point, and gradually narrowing to the base, where it fol- 

 lows the medial nerve, forming a narrow border before joining the thick short 



