518 WOODY PLANTS OF MASSACHUSETTS. 
small and narrow; stamens usually 3, sometimes more; capsule 
incompletely 3-celled, 3-valved, with 3 other apparent valves 
within, l- or 2-seeded. Found on dry, rocky hills, and sunny 
fields. 
Sp. 1. Larez Pm-Weep. LZ. major. Michaux. 
A stiff, hairy plant, with a purple, brittle, erect stem, one or 
two feet high. ‘The leaves are reflexed at the margin, downy, 
whitish beneath. ‘The lower branches spread on the ground in 
tufts, with small, roundish leaves. The stem has longer and 
more pointed leaves; the upper branches, lanceolate leaves; the 
flowers are small and very numerous, densely crowded on the 
sides of the upper branches, and succeeded by 3-sided, roundish 
capsules, about the size of a large pin’s head. 
Sp. 2. Tuyme-Leavep Pin-Weep. JL. thymifolia. Pursh. 
A plant about a foot high, with a stout, erect stem, and nu- 
merous, somewhat whorled branches, forming a small pyramidal 
head, with sharp, straight, narrow leaves, the whole covered 
with whitish wool. It is intermediate between the last species 
and the next. It is found in sand on the sea-coast. 
Sp. 3. Smart Pr-Weep. L. minor. Lamarck. 
A plant smaller than the two preceding species, resembling 
them strongly, but distinguished by being less hairy, by having 
its flowers and capsules larger, and by having a somewhat more 
slender and delicate appearance. ‘'T’he capsules are nearly glob- 
ular, about the size of a grain of mustard. 
XXXVIL 3. THE HUDSONIA. HUDSO NIA. LU. 
An anomalous American genus of three species of excessively 
branched, woody, tufted, heath-like under-shrubs, with small, 
stiff, sessile, awl-shaped or needle-shaped, denscly imbricated, 
persistent, downy leaves, without stipules; and small yellow 
flowers with reddish calyx, on the ends of very short branches. 
Sepals 5, united at base, the 2 outer ones awl-shaped and mi- 
nute, the 3 inner oblong, expanded at flowering, forming a tube 
