52 
himself to unremitting labor in distributing newspapers, by which 
he secured a competence sufficient to enable him in recent years to 
devote his time to the collection and study of plants. Stimulated 
by the advice and assistance of Dr. George Engelmann, who became 
his friend soon after his arrival in St. Louis, Eggert explored the 
flora of the immediate neighborhood of the city during the early 
SILVA OF NORTH AMERICA. 
ROSACEA. 
years of his residence in St. Louis, and at this time collected large 
quantities of the seeds of the native Grape-vines to stock European 
vineyards ravaged by the Phylloxera. After retiring from busi- 
ness Mr. Eggert made several annual journeys to southern Mis- 
souri and Arkansas and to Texas and the southeastern United 
States, and has discovered several interesting plants. 
EXPLANATION OF THE PLATE. 
Puate DCXLIII. Craraeus Acutiro.ia. 
1. A flowering branch, natural size. 
CNP oP ww 
- Vertical section of a flower, enlarged. 
A calyx-lobe, enlarged. 
. A fruiting branch, natural size. 
. Vertical section of a fruit, natural size. 
. Cross section of a fruit, natural size. 
. A nutlet, side view, enlarged. 
- A nutlet, rear view, enlarged. 
