48 
CISTACEJJ. (ROCK-ROSE FAMILY.) 
to multiply the minute clustered flowers. — Sandy or gravelly dry [ 
soil (rarer westward). June-Aug. — Stem at first simple. Corolla j 
of the large flowers 1' wide, producing pods 3" long: pods of the 
smaller flowers not larger than a pin’s head. — Late in autumn crys- ; 
tals of ice shoot from the cracked bark at the root, whence the popu* j 
lar name. k 
2 ,f - ^orymbosiim, Michx. Flowers all clustered at tk f 
summit of the stem or branches, the petal-bearing ones at length 0 ® 
slender stalks; calyx woolly. —Pine barrens, New Jersey (?) 1 
southward.— Primary flowers smaller than in No. 1. 
2. HUDSOXIA, L. Hudsonia. 
Petals 5, fugacious (lasting but a day), much larger than the 
calyx. Stamens 9 - 30. Style long and slender : stigma min"*®- 
Pod oblong, inclosed in the calyx, strictly 1-celled, with 2- 
seeds attached near the base of the valves by slender upright se 
stalks. Embryo spirally coiled. — Bushy heath-like little shruhs 
(seldom a foot high), covered all over with the small aw 1 -shape 
or scale-like persistent downy leaves, producing numerous (sm® 
but showy) bright yellow flowers crowded along the upper part 
the branches. (Named in honor of Hudson , an English botanis 
contemporary with Linnaeus.) 
ericoides, L. (Heath-like Hudsonia.) 
greenish ; leaves awl-shaped, loose ; flowers on slender naked »* a 
— Dry sandy soil near the coast, New Jersey to Plymouth and M 
(near Columbia, Miss Hamlin). May. . . 
2. II tomcntosa, Nutt. (Dowsr Hcdsosia ) Hoary«' 
C « Ve8 | ova * or °blong, close-pressed and imbricated; «**£ 
from ? y COa8 *’ NeW Jers ®y t» Maine, and on the Great ^ 
June £! P am ^ Superior. Also in the interior at Conway, » Ia 
June. — r lowers 5" broad. 
- L. PlNWEED. 
Petals 3, narrow, not longer than the calyx, withering-P el 
teat. Stamens 3- 12. Style scarcely any ; stigmas 3, fM 
globular, appearing partly 3-celled from the 3 large pi** 
wards ^ lm perfect partitions, each bearing 2 seeds on the f ace 
and nartl 6 ^ ' *" °“ r 3pecies the placenta: curve backw: 
and Partly inclose the seeds. Embryo nearly straight. - Hon 
Eed h^’ ^ TC * 7 8maU greenish or P ur P llsh fl °", 
(Earned in honor of Leche, a Swedish botanist, Professor at M 
