13 
; 7 S. Uva-ursi Pursh 1 TULTijr 
>S. herbacea L. iIIVL 2 Hn 
vtf^ |(/J. CKf/at* 
iNi-u/v. ' I r 3 
?S. anglorum var. kophophylla Schneider./J*y 
IT 3T 
# 
f 7 S. arctophy?la Cockerell 1 4".T- m ~sx In^YmTXC 
scalesjAat-IXj Ns . lust ]pu b*sc.ti-tce tn capi*!* spxfi^- fcat^in /•"g 
S. pyrifolia Anderss. 
>S. calcicola Pern. & Wieg. /7y 3 T 
76 . planifolia Pursh 21 X'jJJjjOir 
on Ota \ASO*<* / - . 
5 . $&$&***<-*. \RyJJr)JdxM&iM r >) r l<l TTST 
S. argyrocarpa Anderss. ip-o-it/ rr ~yrr 
Populus tacamahacc.a Mill. 
/V, /r«,t of. S ««.I A0«t K^tn-n , ifnptft c-vfr. f^ 0 Xtd Ok-T OOLri d Wfc<v 
BETULACEAE f^foortarrt 
get |D',ee< of /v-atuM be*K n*/«r* wMe f^db >'s 
Betula papyrifera Marsh. 
>B. pap. Yar. cordifolia (Regel) I&2- JS.Y 
Pernald 
B. pap. var. minor 
