42 
MISSOURI BOTANICAL GARDEN. 
exceptionally slightly tomentose, with numerous elongated 
white lenticels; buds somewhat smaller and with the nearly 
glabrous outer scales commonly longer pointed ; fruit sub- 
globose, about an inch and a half long; husk 5 to 8 mm. 
thick, glabrous; nut nearly one-half smaller than in the 
last, typically scarcely longer than broacl, nearly white ; 
shell 1mm., the firm commissure very thin; kernel very 
sweet. — Canada to Minnesota, south to Florida, Kansas, 
and Texas,— in river bottoms and uplands,— PI. 12, 15, 
f. 6-9, 19, f. 6-7. 
Like the Pecan, the Shagbark has given rise to several 
superior races, some of which are cultivated. 
JUaLANS, L. 
Pith chambered, with persistent thin diaphragms ; buds 
frequently superposed, the terminal subnaked, their leaves 
valvately arranged; vernation of leaflets conduplicate 
(pi, 25, f. 1), catkins mostly elongating somewhat in early 
winter ; fruit with indehiscent persistent husk. 
1. J. ciNEREA, L. — The Butternut, — A medium-sized 
tree ; bark gray, rather smooth between the deep tis>ures ; 
twigs reddish-l)nff, with staring hairs or soon nearly glab- 
rous, with numerous small white lenticels; pith dark 
brown, with narrow chambers? little wider than the interven- 
ing diaphragms ; terminal buds longer than bro;ul, doux'l \ 
yellow-pubescent, the outer scales lobed at apex; fruit 
elongated, the husk villous, the nut 2-cclled at base. — New 
Brunswick to Dakota, Kansas, and the mountains of 
Georgia and Alabama. — PI. 24, f. 1-4. 
Three A^intic specie., related by their buds and h^af scars 
Stat*-: — J, .SiM'Iiana (pi. 2.'.. f. with pule vh.-cly 
M-t pitii piate^, puberulent bruwu t^xVi^ with eon^incuou^ 
