2O6 



ROSACEAE. 



[VOL. II. 



7. FRAGARIA L. Sp. PI. 494. 1753. 



Perennial acaulescent herbs propagating by runners, with alternate basal tufted petioled 

 3-foliolate leaves, and sheathing membranous stipules. Flowers white, corymbose or race- 

 mose on erect naked scapes, polygamo-dioecious, the pedicels often recurved. Calyx persis- 

 tent, its tube obconic or turbinate, 5-bracteolate, deeply 5-lobed. Petals 5, obovate, short- 

 clawed. Stamens QO ; filaments slender. Carpels oo , inserted on a glabrous convex or elongated 

 receptacle, which becomes fleshy or pulpy in fruit; styles lateral. Achenes oo , minute, dry, 

 crustaceous. Seed ascending. [Latin, fragum, strawberry, signifying fragrance.] 



About 15 species, natives of the north temperate zone and the Andes of South America. Be- 

 sides the following, 2 or 3 others occur in the western parts of North America. 



Achenes imbedded in pits on the fruit; fruiting scape shorter than the leaves. 



Leaflets broadly oval or obovate; fruit globose or ovoid. i. F. Virginiana. 



Leaflets oblong or narrowly obovate; fruit oblong-conic. 2. F. Canadensis. 



Achenes borne on the surface of the fruit; fruiting scape as long as or exceeding the leaves. 



Stout; leaflets thickish; plant naturalized in fields. 3. F. vesca. 



Slender; leaflets thin; native plant of shaded rocky situations. 4. F. Americana. 



i. Fragaria Virginiana Duchesne. Virginia or Scarlet Strawberry. 



(Fig. 1908.) 



Fragaria Virginiana Duchesne, Hist. 

 Nat. Fras. 204. 1766. 



Fragaria Virginiana var. Illinoensis 

 Prince; A. Gray, Man. Ed. 5, 155. 1867. 



Rather stout, tufted, dark green, 

 more or less villous-pubescent with 

 spreading or sometimes appressed 

 hairs. Petioles 2 / -6 / long; leaflets 

 thick, or even coriaceous, broadly oval 

 or obovate, obtuse, dentate-serrate, the 

 terminal one generally cuneate, the 

 lateral inequilateral at the base; scape 

 equalling or shorter than the leaves, 

 the fruit being generally borne below 

 them ; hairs of the scape more or less 

 spreading; calyx-lobes, at least of the 

 sterile flowers, erect at maturity; fruit 

 red, ovoid, the acheues imbedded in pits. 



In dry soil, New Brunswick to South 

 Dakota, south to Florida, Louisiana and 

 Arizona. April-June. 



2. Fragaria Canadensis Michx. North- 

 ern Wild Strawberry. (Fig. 1909.) 



Fragaria Canadensis Michx. Fl. Bor. Am. i: 200. 

 1803. 



Petioles slender, loosely villous, 4 / ~7 / high. 

 Leaflets oblong or the middle one narrowly obovate, 

 obtuse, rather few-toothed, 9 // -2 / long, 5 // -io // 

 wide, glabrous or nearly so above even when 

 young, more or less appressed- pubescent beneath; 

 scapes pubescent with appressed hairs; flowers few, 

 slender-pedicel led, 7 // ~9 // broad; fruit oblong, or 

 oblong-conic, 6 // -8 // long; achenes sunken in pits. 



In fields and meadows, Newfoundland to the North- 

 west Territory, south to the Catskill Mountains. 

 May-July. 



