46 CISTACEiE. (bock-rose FAMILY.) 



2. HIJDSOIVIA, L. HuDSONiA. 



Petals 5, fugacious (lasting but a day), raucli larger than the calyx. Stamens 

 9 - 30. Style long and slender : stigma minute. Pod oblong, enclosed in the 

 calyx, strictly 1-celled, with 1 or 2 seeds attached near the base of each nei-ve- 

 like placenta. Embryo coiled into the form of a closed hook. — Bushy heath- 

 like little shrubs (seldom a foot high), covered all oyer with the small awl- 

 sbapod or scale-like persistent downy leaves, producing numerous (small but 

 sho^vy) bright yellow flowers crowded along the upper part of the branches. 

 (Named in honor of Hudson, an English botanist contemporary with Lin- 

 nasus.) 



1. M. cricoid es, L. Downy but greenish; leaves awl-shaped, loose; 

 flowers on slender naked stalks. — Dry sandy soil near the coast, Maine to Vir- 

 ginia : extending interior as fai- as Conway, New Hampshire. May. 



2. H. tomciltosa, Nutt. Hoary with down; leaves oval or oblong, 

 close-pressed and imbricated ; flowers sessile. — Sandy coasts from Maine to 

 Maryland, and on the Great Lakes from Champlain to Superior. May, June. 

 — Flowers 5" broad. 



3. liECMEA, L. PiNWEED. 



Petals 3, narrow, flat in the bud : not longer than the calyx, withering-persist- 

 ent. Stamens 3-12. Style scarcely any ; stigmas 3, plumose. Pod globiilar, 

 appearing partly 3-celled ; the 3 broad and thin placenta; borne on imperfect 

 partitions, each bearing 2 seeds on the face towards the valve ; in our species, 

 the placentaa curve backwards and partly enclose the seeds. Embryo straight- 

 ish. — Homely perennial herbs, with very small greenish or pm'plish flowers. 

 (Named in honor of Leche, a Swedish botanist. ) 



1. ii. major, Michx. Hairy; stem upright, simple, producing slender 

 prostrate branches from the base ; leaves elliptical, mucronate-pointed, alternate 

 and opposite or sometimes whorled ; flowers densely crowded in panicled clusters ; 

 pedicels shorter than the globose-depressed (very small) pods. — Sterile wood- 

 lands ; Maine to Kentucky and southward, chiefly eastward. July - Sept. — 

 Plant l°-2° high, stout. 



2. li. tliyiuiiolia, Pursh. Hoary with oppressed hairs, especially the 

 decumbent slout leafy shoots from the base ; flowering stems ascending, 

 loosely branched, with the leaves linear or oblanceolate ; those of the shoots ellip- 

 tical, whorled, crowded ; flowers scattered in small and loose clusters ; pedicels 

 as long as the globose pods. — Sandy coast, Maine to New Jersey and south- 

 ward. July - Sept. — Scarcely a foot high, tufted, rigid ; the pods larger tlian 

 in No. 1. 



3. li. minor, Lam. Minutely hairy; stems slender, upright or diffuse; 

 leafy shoots densely tufted at the base ; leaves linear ; flowers loosely racemed on 

 the slender branclilets; pedicels mostly longer than the globose pods. — Drv 

 open soil; common. June -Sept. — Plant 5' -15' high, slender, running into 

 numberless variations according to the soil, season, and exposure. Pods small- 

 er than in No. 2. 



