466 PROCEEDINGS OF THE ACADEMY OF [Part III 



VII. Veroniceae. 



Leaves whorled. Corolla white or pinkish, its lobes shorter 

 than the tube. Capsule acute, longer than wide, not flat- 

 tened, dehiscing by short apical sUts. Seeds slightly re- 

 ticulate. Plant 10-20 dm. tall. 20. Veronicastrum. 



Leaves opposite or alternate. Corolla blue or white, its 

 lobes longer than the tube. Capsule truncate to deeply 

 notched, wider than long, flattened, dehiscing its entire 

 length. Seeds not reticulate. Plants lower. 



2L Veronica. 



VIII. BUCHNEREAE. 



Corolla yellow or pink, the throat inflated and the orifice 

 widely open. Stamens all with anthers two-celled. 

 Filaments and style nearly as long as or longer than the 

 tube of the corolla. Capsule exserted from the calyx- 

 tube. Pedicels not bracteolate. 

 Anther-cells glabrous or with a few bristle-like hairs at apex. 

 Stigma short, punctiform or capitate. Filaments 

 dilated-flattened and pubescent. Corolla j^ellow. 

 Corolla densely pubescent within on all sides, its lobes 

 all distinct and slightly shorter than the tube. Fil- 

 aments clearly didynamous, dilated and pubescent 

 throughout. Anther-sacs each opening by a slit its 

 entire length. Style short, thick, more or less bilobed, 

 persistent and reflexed on the capsule. Pedicels 1-2 

 mm. long. Plant stout, 15-20 dm. tall, the leaves 

 10-30 cm. long. 22. Dasistoma. 



Corolla slightly pubescent within (in a ring about the 

 base of the filaments and below the posterior sinus), 

 its lobes longer than the tube, the two posterior united 

 nearly one half their length. Filaments nearly equal, 

 dilated and pubescent proximally for not over half 

 their length. Anther-sacs each opening by a slit not 

 over half its length. Style long, slender, entire, decid- 

 uous, straight. Pedicels 3-12 mm. long. Plants more 

 slender, 2-10 dm. tall, the leaves 1-3 cm. long. 



23. AJzelia. 

 Anther-cslls lanose on the valvular surface. Stigma linear, 

 consisting of a line down each side of the linguiform 

 style-apex. Filaments slender, not dilated, more or 

 less lanate. 

 Corolla yellow. Capsule acute to acuminate. Leaves 

 lanceolate to ovate, entire to bipinnatifid, petioled. 

 Stem stout, over 5 dm. tall. 24. Aureolaria. 

 Corolla pink, with red spots within on the anterior side. 

 Capsule rounded, with a mucro. Leaves filiform to 

 lanceolate, sessile. Stem usually slender. 



