L70 THE FLORA. 



10 V. cucnlla'ta Hood-leaved V. Leaves reni form -cordutc. base lobes involute, com. 



11 V. villo'sa. Woolly V. Leaves ronnd-oviite, cordate, obtuse, flat, downy. 51. S 



12 V. sagitta'ta. Arrow-Led. V. Lvs. lance-oblong, some sagittate or cut-toothed at base 



13 V. hasta'ta. Halberd-leaved V. Smooth. Lvs. hastate, Stip. ovate, minute. S. 



14 V. tripar'tita. Three-dtft V. Hairy. Lvs. deeply 3-parted. Stip. lanceolate. 8 



1 5 V. pnbes'cens. Downy V. Downy. Lvs. broad-cordate. Stip. ovate, la rye. 0, 

 16 V. Canaden'sis. Canada V. Plant If. high. Leaves cordate, pointed, smooth. 



17 V. stria 'ta. Cream-coloreilV. Bpnr 4 the length of the corolla. Stip. large, oblong 



18 V. Muhlenber'gii. Miihleiibercfs V. Spur I the length of corolla. Stip. lanceolate. 



19 V. rostra 'ta. Long-spurred V. Spur longer than corolla. Stipules lanceolate. 



20 V. tric'olor. Pansy. Meartxease. Stipules as large as the leaves. Fls. three-colored. 



21 V. grandiflo'ra. Qreat-fioweredV. Stip. much smaller than the leaves. Purple. \ 

 22 V. odora'ta. Sweet English F". Stolons creeping. Lvs. cordate. Fragrant, i 



ORDER XVII. CISTACEvE. Rock Roses. 



Herbs or low shrubs; leaves simple, entire, mostly alternate ; 

 flowers perfect, regular, hypogynous, lasting but a day ; 

 sepals 5, unequal, the 3 inner contorted, all persistent ; 

 petali 5, rarely 3, or 0, twisted contrary to the sepals ; 

 ovaries 3, united, forming a l-celled, 3-valved capsule ; 

 needs many, on the parietal placentae. (See the Glossary.) 



* Petals 5, yellow, larger than the sepals. Low fhrublets. HUDSONIA. 1 



* Petals 3, narrow, brown -purple, as short as the sepals. LECIIEA. 2 



* Petals 5, yellow, large and showy, sometimes 0. HELIANTHE.MUM. 3 



1. HUDSO'NIA. Hudsonia. 

 Little heath-like, very leafy and branching shrublets, growing in sands. 



1 H. tomento'sa. Hoary-tomentous ; leaves oval, oppressed ; flowers subsessile. 



2 H. ej-icoi'des. Downy; leaves subulate, loose; flowers pedicelled, 



2. LECH'EA. Pinweed. 



Perennial herbs, often woody at base, much branched, bearing the small 

 obscure flowers in axillary clusters. Pods as large as a pin's head, their 3 

 partial cells each 1-2-seeded. Summer. 



$ Pedicels longer than the oval pod . . . .Nos. 1, 2. 

 Pedicels shorter than the globular pod ... Nos. 3, 4. 

 I TJ. minor. Lesser P. Leaves linear; 2 outer sepals minute. 5'-15' high, 

 i L. Novz-Czsare'ae. New Jersey P. Leaves elliptical ; 2 outer sepal* slender, ofte 

 longer than the others. About If. N. Y and N J. 



