CISTACEAE. 



Vol. II. 



2. Hudsonia tomentosa Nutt. Woolly 

 Hudsonia. False Heather. Fig. 2913. 



Hudsonia tomentosa Nutt. Gen. 2: 5. 1818. 



H. tomentosa intermedia Peck, Rep. N. Y. State 

 Mus. 45 ; 86. 1893. 



Densely tufted and intricately branched, mat- 

 ted, hoary-pubescent, pale, 4'-8' high ; branches 

 stout, ascending. Leaves about i" long, oval or 

 oblong, densely imbricated and appressed; flow- 

 ers sessile, or on rather stout pedicels less than 

 3" long, numerous, slightly smaller than those 

 of the preceding species; sepals obtuse; stamens 

 9-18; capsules ovoid, glabrous, usually i-seeded. 



In sands of the seashore and in pine-barrens, New 

 Brunswick to Virginia, and on sand hills and lake 

 and river shores west to Mackenzie, Manitoba, North 

 Dakota and Wisconsin. May-July. Poverty- or bear- 

 grass. Dog's-dinner. Poverty-plant. Heath. Ground- 

 moss or -cedar. Beach-heather. 



3. LECHEA Kalm ; L. Sp. PI. 90. 1753. 



Perennial branching herbs, often woody at the base, with small entire leaves and minute 

 panicled greenish or purplish flowers. Sepals 5, the 2 outer smaller and narrower. Petals 

 3, ovate to linear, inconspicuous, persistent. Stamens 3-12. Stigmas 3, nearly sessile, laciniate, 

 prominent when the plant is in flower. Capsule 3-vaIved, 3-celled, or by obliteration of the 

 dissepiments i-celled, about 6-seeded. Embryo curved or spiral. [Named for Johan Leche, 

 a Swedish botanist, died 1764.] 



A genus of about 14 species, 11 of them natives of eastern North America, i Texan, i Cuban 

 and I Mexisan. Type species : Lechca minor L. Species indiscriminately known as Pin-weeds. The 

 characteristic basal shoots appear late in the season. 

 Leaves of the basal shoots oblong or ovate, not more than 3 times as long as broad. 



Outer sepals longer than the inner ; panicle very leafy. i. L. minor. 



Outer sepals equalling or shorter than the inner. 



Pod oblong; pedicels slender. i"-2" long. 2. L.racemulosa. 



Pod globose ; pedicels about ^" long. 



Erect, villous-pubescent. 3. L. villosa. 



Ascending, bushy-branched, tomentose-canescent. 4. L. maritima. 



Leaves of the basal shoots lanceolate or linear, usually more than 3 times as long as broad. 



Stem-leaves narrowly linear ; inner sepals i-nerved. 5. L. temtifolia. 



Stem-leaves oblong-linear ; inner sepals 3-nerved. 

 Plants green, more or less pubescent. 



Pod obovoid, Yi" in diameter; panicle-branches ascending or spreading. 6. L. Leggettii. 

 Pod globose, about i" in diameter; panicle-branches nearly erect, loosely flowered; 



flowers slend'er-pedicelled. 7. L. intermedia. 



Pod oval, about 'A" in diameter; panicle-branches erect-ascending, densely flowered; 

 flowers short-pedicelled. 8. L. ji.niperina. 



Plant pale, canescent ; pod globose, 'A" in diameter. 9. L. stricta. 



I. Lechea minor L. Thyme-leaved Pin-weed. 

 Fig. 2914. 



Lechea minor L. Sp. PI. 90. 1753. 



Lechea thymifolia Michx. Fl. Eor. Am. i : 77. 1803. 



Lechea novae-caesareae Aust. ; A. Gray, Man. Ed. 5, 8r. 1867. 



Erect, 6'-2° high, freely branching above, more or less 

 pilose-pubescent with appressed hairs throughout. Branches 

 slender, erect or ascending; stem-leaves oval or oblong, 

 4"-?" long, 2"-3" wide, acutish or obtuse, ciliate, the upper 

 smaller and often narrower than the lower; petioles i" 

 '9,"^/, '"^^^^5 °^ t^i^e basal shoots oval or oblong, obtusish, 

 i"~5" long, 2l"-T," wide; panicle very leafy; flowers close 

 together, somewhat secund ; outer sepals longer than the 

 inner and longer than the obovoid or globose pod. 



In dry open grounds, eastern Massachusetts to Ontario, 

 Michigan, Florida and Louisiana. Petals red-purple. Aug.- 



Sept. 



