XVIII. 1. TWIN-FLOWER OF THE WOODS. 353 
with its border five-lobed ; stamens five, sometimes only four, 
inserted in the throat of the corolla and alternate with its lobes ; 
ovary three-, sometimes five-celled; fruit a one-celled, some- 
times three- or five-celled berry, with one or several seeds. 
The woody plants have a soft, light, more or less abundant 
pith, wood usually brittle, and bark which becomes loose and 
stringy. 
There are four genera found native in Massachusetts :-—— 
The T'win-Flower, Linne‘a, an humble, trailing, evergreen 
herb, with four stamens ; 
The Feverwort, Tridésteum, an erect, simple, herbaceous plant 
With five stamens; 
The Honeysuckle, Lonicera, a climber, with one- to three- 
celled, few-seeded berries; and 
The Bush Honeysuckle, Diervilla, an erect plant, with one- 
to three-celled, many-seeded berries. 
XVI. 1. THE TWIN-FLOWER. LINNZZA. Gronovius. 
A genus containing a single species, which is a creeping, ever- 
green herb, indigenous to the northern part of the old and new 
world, with an ovate calyx-tube, four stamens, two of them 
longer, inserted into the base of the corolla, a three-celled ovary; 
and fruit, a dry, three-sided, one-seeded berry. 
Tue Twin-FLtower or tue Woops. J. boredlis. Gronovius. 
Figured in Hooker’s Flora Londinensis, Plate 199. 
In the pine woods in the northern parts of New England, 
where moss-covered columns support, at a great height, a 
thick, close top, the shaded ground is often carpeted with the 
leaves of this delicate and beautiful flower, alone, or intermin- 
gled with moss. Its woody stem creeps to the distance of several 
feet along or just beneath the surface, the raised branches send- 
ing out pairs of very small, roundish leaves, and at intervals, a 
slender, erect thread, bearing a pair of modest, droaping, fra- 
grant flowers, white or tinged with a faint blush of rose-color 
or purple. ‘The leaves are one fourth or one half an inch long, 
46 
