36 VIOLACE.E. 



4. L. thymifolia Pursk. : whole plant whitish-villose ; stem erect ; leaves 

 linear, acute ; panicle leafy, elongated ; branches very short ; flowers 

 minute, in lateral and terminal fasicles ; pedicels very short. 



Sands. N. Y. to Virg. July. ^ Stem a foot high, erect, much branched. 

 Leaves villose at base. ^Flowers rather larger than in the preceding species. 



Thyme-leaved Lechea. 



3. HUDSONIA. Linn. Hudsonia. 

 (In honor of William Hudson, author of the Flora Anglica.j 



Calyx 5 -parted; segments unequal, the two outer ones 

 minute. Petals 5. Stamens 9 30. Style straight, simple. 

 Stigma simple. Capsule 1-celled, 3-valved, 1 3-seeded. Seeds 

 granulated. 



1. H. ericoides Linn. : canescently pubescent ; stem suffruticose, sub- 

 erect ; branches elongated ; leaves filiform, subulate, subimbricate ; pedun- 

 cles exserted, longer than the flowers ; sepals acutish ; capsules oblong, 

 slightly pubescent, 1 3-seeded. 



Sandy woods. N. Y. to Virg. May, June. 17. Stem 4 6 inches high, 

 much branched. Leaves small, persistent. Flowers small, yellow. Stamens 

 about 15. Heath-like Hudsonia. 



2. H. tomentosa Nutt. : cespitose, hoary-pubescent ; leaves minute, closely 

 imbricate, ovate, acute ; flowers aggregated, subsessile ; calyx sub-cylindric, 

 with obtuse segments ; capsule 1-seeded ; valves ovate, smooth. 



Sea-shores. Mass, and N. Y. to Virg. June. 17. Stem ascending, much 

 branched. Flowers yellow, smaller than in the preceding. Stamens 9- 18. 

 The whole plant is silvery gray and tomentose. Woolly Hudsonia. 



ORDER XV. VIOLACE^E. VIOLETS. 



Sepals 5, persistent, with an imbricate aestivation. Petals 

 5, equal or unequal, with a convolute aestivation. Stamens 5, 

 inserted in a hypogynous disk, often unequal ; anthers either 

 separate or cohering, and lying close upon the ovary ; filaments 

 dilated, elongated beyond the anthers ; two of them, in the 

 irregular flowers, generally furnished with an appendage or 

 gland at the base. Style usually declined, with a thickened or 

 hooded stigma, Capsule 1-celled, 3-valved. Seeds often with 

 a tumor at their base ; albumen fleshy. Herbaceous plants 

 or shrubs. Leaves simple, usually alternate, furnished with 

 stipules. 



1. VIOLA. Tnvrn. Violet. 

 (Origin of the name doubtful.) 



Sepals 5, auricled at their base. Petals unequal, the lower 

 one spurred. Stamens 5, approximated ; filaments distinct ; 



