THE SMALL FRUITS OF NEW YORK 373 



AA. Leaflets thinner, venation not as strongly impressed above and raised beneath 

 B. Achenes (seeds) sunk in pits on the ripe fruit 



C. Leaflets with a few broad teeth only, slightly tomentose and silk hairy underneath 



F. cuneifolia 

 CC. Leaflets with more numerous teeth, about 7-10 on each side 

 D. Leaflets obovate-cuneate 

 E. Leaflets intensely glaucous green, more or less falted along the midrib, teeth 

 large, more or less lanceolate-deltoid and falcate, lateral leaflets verj- 



oblique; inflorescence cvTnose F. virginiana 



EE. Leaflets dull pale green, flat, lateral leaflets not very oblique. .F. platypetala 

 DD. Leaflets o\-ate, deep green; flowers yellowish or greenish yellow at first 



F. viridis 

 BB. Achenes not in pits, placed superficially upon the fleshy receptacle. Leaflets rather 

 thin, bright green, terminal tooth prominent 

 C. Leaves deep, almost metallic green; flowers yellowish or greenish yellow at first 



F. viridis 

 CC. Leaves not so; flowers white from the opening 



D. Scape racemosely and usually unilaterally branched; pedicels unequally long; 



the upper ones with appressed hairs F. vesca 



DD. Scape mostly exceeding the pedicels, subcj'mosely branched, pedicels almost 

 equally long, erect, with spreading hairs F. moschata 



Fragaria vesca. Linnaeus Sp. PI. 494. 1753. Ascherson & Graebener Syn. Mit- 

 teleurop. Fl. 6:64g. 1904. Rydberg iV. Am. FZ. 22:359. 1908. Gray A'^ew Maw. 7th Ed. 

 479. 1911. 



F. vesca silvestris. Linnaeus Sp. PI. I.e. 



F. sylvestris. Duchesne Hist. Nat. Frais. 61. 1766. 



F. imlgaris. Ehrhart Beitr. 7:21. 1792. 



Wood Strawberry, Walderdbeere, Fraisier des bois.— Rootstock and runners rather 

 slender. Stipules lanceolate, pointed, brown, hirsute on the back. Petioles slender, 

 4-14 cm long, narrowly grooved above, with soft, spreading or variously bent, white hairs. 

 Leaflets sessile, the terminal one shortly stalked, 3-6 cm long and 2-5 cm wide, rather thin, 

 bright green and with scattered soft hairs above, paler green and densely silky hairj' under- 

 neath, especially on the veins, with straight, sharp, ovoid-deltoid teeth, the terminal one 

 generally much prominent ; the terminal leaflet larger, rhomboid-ovate or obovate, shortlj' 

 pointed, wedge-shaped and entireat the lower third, with 5-10 teeth on each side; the lateral 

 leaflets oblique, unequally broadly wedge-shaped at the entire base, with 4-10 well-formed 

 teeth on the inner and 5-10 on the outer side. Scape generally overtopping the leaves, with 

 soft, spreading or appressed hairs, racemosely and usually unilaterally branched; pedicels 

 unequal, the lowest longer than the other with spreading hairs, the upper one with appressed 

 or erect white hairs, all elegantly curved when in fruit; bracts ovate or subulate; the lower 

 ones often foliaceous. Flowers erect, rather small, rarely 2 cm across, saucer-shaped, pure 

 white from the opening, hermaphrodite. Outer calyx-lobes lanceolate, inner ones as long, 

 broader, all pointed and mucronate, reflexed on the fruit. Petals concave, longer than the 

 calyx. Stamens about as long as the receptacle. Fruit scarlet, roundish or ovoid-conical, 

 detaching easily, achenes set superficially, sweet and very aromatic. 



