XXXVII. 2. PIN-WEED. 517 
Tue Canapa Sun-Rosz. H. Canadénse. Michaux. 
Figured in Swect’s Cistacee, Plate 21. 
Flowers of two kinds; the primary or terminal, large and 
petaliferous flowers few or solitary, on peduncles scarcely longer 
than the flower, the petals about twice the length of the calyx; 
secondary flowers axillary, very small, nearly sessile, solitary 
or somewhat clustered, on short, leafy branches, the petals very 
small or none, and the outer sepals usually wanting; leaves 
oblong or somewhat lanceolate, with revolute margins, and, as 
well as the sepals, and often the branches and peduncles, canes- 
cently tomentose.— 7. g* G., Flora, I, 151. 
An erect, downy plant, about a foot high, found in dry, sandy 
places, among rocks, and remarkable for its flowers of two 
kinds. The earliest, which appear in May and June, are ter- 
minal or lateral, solitary, and look like a miniature yellow rose, 
with 3 or 5 wedge-shaped petals, and many stamens inclined 
to one side; the 2 exterior sepals are linear, the 3 interior broad- 
oval, pointed, concave, downy without. The individual flowers 
are fugacious, but succeed each other from day to day. The 
later flowers as above described. 
There are two marked varieties in the neighborhood of Bos- 
ton :—The one is smoothish below, with hair m scattered tufts, 
stem very slender, leaves rather rigid and smooth above; flowers 
solitary, in the angle of the upper leaves, appearing in May and 
June: H. Canadénse of Pursh. 
On the other, the hairs are short, densely tufted, the stem 
short, leaves downy or dusty on both surfaces; flowers in ter- 
minal corymbs, succeeding each other in June and July: H. 
ramulifiorum, Pursh ? 
XXXVII 2. PIN-WEED. LECHE‘A. L. 
An American genus of a few species of perennial, much- 
branched herbs with woody roots, and small, brownish-purple 
flowers in racemes or panicles; and entire, alternate, opposite or 
whorled leaves, without stipules. 'The sepals seem to be 3, the 
2 exterior being very narrow and bract-like; the petals are 3, 
