84 Spring Flora of Ohio. 



("f. S/i-i/is ii/on- IcaJ'y. Jlinvcrs white nr fiiii plish. 



Vi'-o-la can-a-den'-sis L. Canada Violet. rj)ri,i,dit, \-l ft. IukIi; 

 leaves cordate, pointed serrate; stipules ovate-lanceolate; the lateral 

 petals bearded. 



{(e. Stipules frhiiie-toolhi'd. stems erect or spreading.) 



Vi'-o-la stri-a'-ta Ait. Pale Violet. — Stems angular, ascending, 6-10 

 in. iiigh ; leaves cordate, finely serrate ; stipules oblong-lanceolate ; 

 spur thickisli, much shorter than the cream-colored or white petals, 

 the lateral ones bearded. 



Vi'-o-la ros-tra-ta Ph. Long-spurred Violet. — Stems ascending, 3-6 

 in. high; leaves roundish-cordate, serrate; stipules lanceolate, large; 

 spur slender yi in- long, longer than the pale violet, beardless petals. 



Vi'-o-la lab-ra-dor'-i-ca Schrank. (V. caniiia var. niuhlenbergii Gr.) 

 Dog Violet. — Low (3-7 in.), mostly glabrous; leaves cordate or kidney- 

 form, crenate; stipules lanceolate; .spur cylindrical, half the length 

 of the light violet petals, the lateral ones slightly bearded. 



A. Stipules large, leaf-like and lyrate-pin>iatifid. 



Vi'-o-la tri'-col-or L. Pansy: Heart's-ease. — Petals variable in color, 

 large. Introduced. 



Vi'-o-la te-nel'-ia Muhl. (/'. tricolor van arvensis Gr.) Petals 

 shorter, or little longer than the calyx, yellowish-blue, spotted with 

 purple. 



'2. Genus SO'-LE-A. — Sepals not prolonged at the base; the lower 

 petal larger and gibbous or saccate at the base ; stamens completely 

 united into a sheath enclosing the ovary. 



So'-le-a con'-col-or Ging. Green Violet. — Plant 1-2 ft. high, leafy to 

 the top ; l-o small greenish flowers in the axils, on short recurved 

 pedicels. 



LIX. Order PAS SI-FLO-RA'-CE->E. PASSION FLOWER FAMILY.— 



Herbaceous, climbing by tendrils ; flowers perfect, stamens 5, mona- 

 delphous; ovary stalked, 1-celled, placentas 3 or 4. 



1. Genus PAS-SI-FLO'-RA. — Sepals 5, crowned with a fringe; 

 petals 5, on the throat of the calyx ; stamens ">, united in a tube which 

 sheathes the long stalk of the ovary ; plant climbing by tendrils. 



