362 THE KINDS OF PLANTS 



1. SAXtFBAGA. Saxifrage. 



Herbs, with root-leaves in rosette: flowers perfect, small, whitish, in 

 cjmes or panicles, on leafy stems or leafless scapes: sepals 5, more or le«s 

 united: petals 5, entire, inserted on calyx-tube: stamens mostly 10: styles 

 2 and capsule 2-beaked, or of nearly separate divergent pods. 



S. Virgini^nsis. Michx. Little perennial herb with spatulate or obovate, 

 petioled, crenate, thick leaves: scape 3-12 inches, erect, viscid-pubescent, 

 bearing many small, white flowers in a loose cyme, the petals exceeding the 

 calyx. In early spring, on moist banks and rocks. 



2. TIABtLLA. False Mitrewort. 



Perennials, with small white flowers in racemes: calyx white, campan- 

 ulate, 5-lobed: petals 5, entire on claws: stamens 10, with long filaments 

 from the calyx-tube: ovary 1-celIed, nearly superior: styles 2, long and 

 slender: capsule with two very unequal beaks. 



T. cordifdlia, Linn. Scape slender, pubescent, leafless or with 1 or 2 

 leaves: stoloniferous from rootstocks: leaves cordate, lobed or toothed, 

 petioled, slightly hairy or downy beneath: flowers white, in short raceme. 

 Spring. Handsome. 



3. MITELLA. Mitrewort. Bishop's Cap. 



Delicate little perennials, with small, white flowers in a raceme or spike, 

 the basal leaves heart-shape or reniform: scape with two opposite leaves, or 

 one or none: calyx short, 5-cleft, adherent to base of ovary: petals 5, white 

 edges daintily fringed, inserted on calyx: stamens 5 or 10, with short 

 filaments, on petals: styles 2, short. 



M diphylla, Linn. About one foot tall: root leaves in a cluster, cordate, 

 ovate, somewhat 3-5-lobed, toothed, hairy: scape rather hairy, with two 

 opposite nearly sessile leaves near middle: flowers tiny, many, white. May 

 to early June, in rich woods. 



M. nuda, Linn. Very delicate and slender: scape usually leafless: basal 

 leaves reniform, crenate: flowers few, greenish, very sniall, pedicelled; not 

 common. Damp, cold woods, northward. Late spring and early summer. 



4. PARNASSIA. Grass op Parnassus. 



Low, glabrous perennials, belonging mostly to marshy or wet situations: 

 root leaves in rosettes, rounded, entire: stem leaves 1 or few, alternate: 

 flowers solitary, terminal, on a scape-like stem, white or greenish: calyx 

 5-'obed to near base: fertile stamens 5, alternating with the five whitish 

 petals, a cluster of sterile filaments at base of each petal: ovary superior 

 l-celled, with four parietal placentae, and usually four stigmas. 



P. Caroliniana, Michx. One flower with sessile petals, white, with green- 

 ish veins, 1-1^ inches broad: root-leaf thickish, ovate or cordate, one leaf 

 usually near liase of scape: 6-15 inches high. Wet places. Summer. 

 .5. DEtTZIA. 



Shrubs, having opposite, simple, exstipulate leaves: flowers pauicled or 

 racemed, numerous, white or pinkish: calyx lobes 5: petals 5 to many: sta- 



