1894. PROCEEDINGS OF THE NATIONAL MUSEUM. 221 



the Muir Glacier. Collected by Miss E. R. Scidmore, of Washing- 

 toD, D. C. 



BETULA PRISCA, Y. 1 1 i n u s h a, u ,s <■ !i . 



Hkkh, F1. F()8s. Alask.. j). 2S, PI. v, tigs. :^-6. 

 Port Graham and Xeniltsc.hik; H. Furuhjelni. 



HETULA GKANDIFOLIA, E 1 1 i ii g « )i a u s o ii . 



IlEKH, Fl. Foss. Alask., }.. 2!t, PI. v, tij?. ><. 



Port Graham; 11. Furulijeliii. 



HETULA ALASKANA. ]. e s q ii »■ r c n x . 



Lequekeux, Pror. U. S. Niit. Miis., \<.l. \, 18«2 (1^8:5). |.. JKi, V\.\\, fig. 14; 

 Cret. and Tert. Fl., p. 258. 

 Cliijiiiik Bay, Alaska Peninsula; Dr. William II. Dall. 



"Leaves small, round in outline, rounded or truncate at base, deeply, 

 obtusely dentate all around except at the base, turned back or recurved 

 on a short i)etiole; median nerve distinct, the lateral obsolete; catkins 

 short cylindrical, oblong- or slightly iiiHated in the middle. 



"Except that no glands are perceivable upon the stems, this species 

 agrees in all its characters with Betula ghfndvlosa Michx. I consider 

 it as identical." — [Lesquereux.| 



MYKICAGE.E. 



MYKICA BANK.SI.EFOLIA, I ; n g r r, 

 Hkkh, FI. Foss. Alask., p. 28, PI. ii, fig. 11. 

 Port Graham; H. Furuhjelni. 



The affinities of this species, accor<ling to Heer, aie with .1/. ('(fli/or- 

 nica Cham., a sj)ecies living in California. 



MYRICA (COMPTONIA) CIJSPIDATA, (Le8((iieieu x) Dawson. 



Complonki cnspidnta, Lesqueketx, Proc. U.S. Nat. Mns., Vol. \, 1882 (1883), p. 



445, PI. VI, figs. 10-12; Cret. and Teit. Fl., p. 2.58. 

 Myrica {Coviptonia) cnsi)idata, Lesquekeux Dawson, Trans. Roy. Soc, Canada, 

 1890, p. 80, fig. 9. 

 Coal Harbor, Unga Island; Dr. Wm. H. Dall. 



"Leaves long, linear or gradually tapering upwards to a terminal 

 narrowly elliptical lobe, pointed or apiculate by the excurrent median 

 nerve; piiinately lobed, lobes coriaceous, convex, subalternate, free at 

 base, irregularly trapezoidal or oblique-oblong, inclined upwards, and 

 sharply acute or cuspidate; ])rimary nerves two, or three in the largest 

 lobes, oblique, the upper curving in ascending to the acumen and 

 branching outside, the lower parallel and curving along the borders, 

 anastomosing with branches of tlie superior ones, generally separated 

 by simple secondary, short nerves. 



"Comparable to Comptonia acutiloba Brcmgt., and other P^uropean 



