118 Spring Flora of Ohio. 



Va-le-ri-an-el'-la wood-si-a'-na pa-tel-la'-ri-a (SuU.) Gr. Corn Salad; 

 Lamb-Lettuce. — Fertile cell much the narrowest; fruit saucer-shaped, 

 emarginate at base and apex, winged by the divergent cells. 



LXXXVIII. Order CAIV1-PAN-U-LA'-CE-/E. CAMPANULA FAMILY.— 

 Herbs, leaves simple, alternate; corolla regular, stamens ■'>, mostly 

 distinct; ovary inferior. 



Calj-x mostly 5-cleft : filaments broad at base Campanitla. 1 



Caly.x-tube elongated ; filaments hairy, shorter than anthers Legou~ia '1 



1. Genus CAM -PAN'- U - LA. — Calyx 5-cleft; corolla bell-shaped, 

 stamens "> ; filaments broad and membranous at base. 



Cam-pan'-u-la ro-tun-di-fo'-li-a L. Harebell. — Slender, branching, 

 5-12 in. high; root leaves round-cordate or ovate, long petioled, early 

 withering away ; stetn leaves linear or narrowly lanceolate, smooth. 



Cam-pan'-u-la a-par-i-noi'-des Ph. Marsh Campanula. — Stem simple 

 and slender, weak, S-2U in. high, somewhat o-angled, rough backward 

 on the angles as are the edges and midriVj of the linear lanceolate 

 leaves. 



2. Genus LE-GOU'-ZI-A. {Specular ia).—^2\yyi 5 (or 3-4)-lobed ; cor- 

 olla wheel-shaped, stamens 5. 



Le-gou'-zi-a per'-fo-ii-a'-ta (L.) Britt. [Specularia perfoliafa A. DC.) 

 Venus's Looking-Glass. — Leaves roundish or ovate, clasping by the cor- 

 date base, toothed, flowers sessile, solitar} or 2-3 in the axils, blue or 

 purplish. 



LXXXIX. Order COM-POS'-l-TyE. SUNFLOWER FAMILY.— Flowers 

 in heads surrounded by a scaly involucre, corolla tubular in the per- 

 fect flowers and ligulate in the marginal or ray-flowers; anthers united 

 in a tube; ovary inferior; calyx-limb represented by (pappus) a cup, 

 teeth, scales, awns or bristles. 



Heads with no ray ligulate -flowers (c;. 



Heads with ray-flowers a . 

 a. Pappus capillary b . 

 a. Pappus a short crown or none d . 



b. Ray-flowers white or purple or flesh-color Eiigeron 1 



b. Ray-flowers \ellow f . 

 c. Heads dinecious ; floccosc-woolly plants Aiiti'intaiia. "2 



