408 CISTACEAE 
2. H.canadense, (L.) Michx. (Fig. 2, pl. 97.) Lone-BRANCHED 
FrostwEep. Resembles the last, but the apetalous flowers are furnished 
with foot-stalks longer than those of No. 1, and the branches bearing the 
apetalous flowers overtop those which have borne the petalous flowers, 
which is not the case with No, 1. Dry places. May-June. 
3. H. corymbosum, Michx. PINE-BARREN FROST-WEED. All the 
flowers are borne at summit of stem in a rather broad spreading cluster 
(corymb). Pine barrens, New Jersey, and southward, 
2, HUDSONIA, L. 
Low, heath-like little shrubs, the stems covered with small scale-like 
or minute awl-shaped, leaves. Flowers small, bright yellow, crowded 
among the small leaves along the upper part of the branches. Petals 5, 
sepals 3 subtended by 2 others much smaller, Stamens 9 to 30. 
1. H. tomentosa, Nutt. (Fig. 6, pl. 97.) Woorty Hupsonta. FALsE 
HEATHER. Low, tufted little shrub with scale-like leaves which are about 
1/12 in. long overlapping one another. Flowers mostly toward the sum- 
mit of the stem; the whole plant downy-grayish. Sands by the sea shore 
and in pine barrens, May-July. 
2. H. ericoides, L. (Fig. 5, pl. 97.) HeratTH-LIkE HupsoniA. Leaves 
much more slender than No. 1, and more in circling clusters. Flowers 
scattered along the whole length of stem. Dry sandy soil. May-June. 
3. LECHEA, L. 
Inconspicuous perennial herbs often shrubby at base. Flowers very 
small, greenish-purple. Petals 5; sepals 5 or 3, of which when 5, the 
outer 2 are very minute. Stamens 3 to 12. 
Plant decidedly hairy. 
Outer sepals distinctly longer than inner . . . . . . . . Le. minor 
Outer sepals: not longer) than’ inner, < = 95 = 5 6 «ee cn ) meenenriose 
Plant hairy only at base. 
Plant shrubby a Pee - L. maritima 
Plant not shrubby. 
Branches spreading . . . ». « +» « « «.s « 2. vacemulosa 
Branches nenely ELECE ey Helin ay ste Cys, el) ere iol ae juniperina 
Whole plant hairy ; am bce . L.. SSertGie 
Plant with few or no hairs. 
Leaves narrowly linear. 
Inner vsepalsmr-nerved) 5 (<) “a. -8 van ees) ie), an uee nse eh sneer rae 
Inner sepals; -nerved . : @i. Wen ws. ee one eee 
Leaves at the jbaseovall 5°. %.) (Wey te ce as ot eeu nen reer 
1. L. villosa, Ell. Larcrr Pin-weep. Plant, erect, hairy, 1 to 2% 
ft. high. Leaves of the stem elliptic, those from the basal shoots oval 
or rounded. Flowers small, crowded. The outer sepals are shorter than 
the inner or less frequently equal to them 
2. L. minor, L. (Fig. 8, pl. 97.) THyME-LEAVED PIN-WEED. Less 
hairy, in most other respects similar to No, 1. The outer sepals are longer 
than the inner. 
3. L. racemulosa. Michx. (Fig. 10, pl. 97.) Optona-rrurrep Pin- 
WEED, Stem and stem leaves scarcely hairy, but stem and leaves of 
basal shoots hairy. Upper stem leaves linear, those of basal shoots oval. 
Flowering branches decidedly spreading; outer sepals shorter than inner. 
Dry sandy soil. July-Aug. 
