175 
Planting Plan 
The plants that have no flowers are found north of the walk 
which leads from Magnolia Triangle to the Ginkgo Triangle, and 
are east of the Brook in the area which includes Boulder Hill. 
With the exception of the Cryptogams, the plants in the General 
Systematic Section are arranged with a wide grass aisle (approxi- 
mately 30 feet) between the Orders, and a narrow aisle (about 
10 feet wide) between the families. As one looks over this Sec- 
tion from any elevated point the planting plan stands out very 
distinctly. 
The sequence of Orders in the General Systematic Section is 
shown on the folded map at the end of this Guide. 
Boundaries of Orders and Families 
The boundaries of the various Orders and Families that con- 
tain shrubs are, in many cases, planted with hedges formed of 
plants that belong to the given Order or Family, or with plants of 
the given group that have special ornamental value. 
Herbaceous and Woody Plants Together 
Most botanic gardens comprise at least three sections, as 
follows: 
1. Arboretum (Latin, arbor, a tree) comprising only trees. 
2. Fruticetum (Latin, frutex, a shrub) comprising only shrubs 
and vines. Vines are not recognized separately from 
shrubs in the manuals of botany, a vine being technically 
considered as a climbing or trailing shrub. 
3. Herbaceous Garden, comprising only herbaceous (4.e., non- 
woody) plants. 
These three divisions classify plants according to their form and 
size, and the possession of woody versus herbaceous stems, not 
according to their botanical relationship. 
In the Brooklyn Botanic Garden, educational (and, to a sud- 
ordinate degree, landscape and spatial) considerations led to group- 
ing the woody and herbaceous plants together in the General Sys- 
tematic and Local Flora Sections. This plan was suggested by 
