232 PROCEEDINGS OF THE ACADEMY OF [DeC, 



straight. Pedicels 4-10 mm. long. Plants slender, 

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



30. Afzelia. 

 Anther-sacs lanate 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 4 dm. tall. 31. Aureolaria. 



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

 Capsule rounded, with a mucro. Leaves filiform 

 to lanceolate, entire or auriculate-lobed at base, 

 sessile. Stem usually slender. 

 Stem ascending-scabrous to glabrous. Leaves linear 

 to filiform, entire. Pedicels over 1 mm. long. 

 Calyx-lobes linear to subulate, shghtly longer to 

 much shorter than the tube. Anther-sacs of both 

 pairs of stamens uniform. Capsule globose to 

 globose-ovoid, 3-7 mm. long. Seeds closely reticu- 

 late. 32. Agalinis. 

 Stem retrorse-hispid. Leaves lanceolate, usually auric- 

 ulate-lobed at base. Pedicels less than 1 mm. 

 long. Calyx-lobes ovate, longer than the tube. 

 Anther-sacs of posterior stamens shorter. Cap- 

 sule broadly ovate in outline, 10-13 mm. long. 

 Seeds reticulate with raised ridges. 



33. Otophylla. 

 Corolla purple-blue or white, salverform, the tube very narrow 

 and densely pilose within, the lobes widely spreading. 

 Stamens each with but one anther-sac developed. Fila- 

 ments and style less than one-half length of corolla-tube. 

 Capsule mostly or quite enclosed within calyx-tube. Pedi- 

 cels bibracteolate. 34. Buchnera. 

 X. RHINANTHE^. 



Posterior sepal shorter than the others. Pedicels bibracteolate 

 at apex. Capsule turgid, septicidal, only tardily slightly 

 loculicidally dehiscent. Seeds linear, fiat, 2 mm. long. 



35. Schwalhea. 

 Posterior sepal wanting. Pedicels not bracted. Capsule flat- 

 tened, loculicidal, splitting through septum. Seeds turgid. 



Corolla with posterior lobes projecting, not hooded at apex, 

 the anterior lobes very short, thickened, deep-green. 

 Capsule cylindric, equally two-celled, in dehiscence split- 

 ting on both posterior and anterior sides. Seeds many, 

 reticulate. Bracts foliaceous, distally scarlet. 



36. Castilleja. 

 Corolla with posterior lobes arched, hooded at apex, the 



anterior lobes membranous, flat, colored. Capsule ensi- 



