514 PROCEEDINGS OF THE ACADEMY OF [PaRT III 



or not developed. Calyx-lobes longer, triangular- 

 lanceolate or -subulate. Pedicels 15-30 mm. long. 

 Corolla 25-30 mm. long, slightly upcurved, its lobes 

 strongly ciliate. Anther- cells obtuse to acutish at 

 distal apex. Calyx-lobes .7-1 mm. long. Leaves 

 filiform, .3-.8 mm. wide. 



S. A. caddoensis. 

 Corolla 20-25 mm. long, strongly upcurved, its lobes 

 slightly ciliate. Anther-cells acuminate-attenuate 

 at distal apex. Calyx-lobes 1-2 mm. long. Leaves 

 linear, 1-3 mm. wide. 9. A. strictifolia. 

 Corolla 15-22 mm. long, pubescent within over entire 

 width of basal portions of posterior lobes. Seeds with 

 intrareticular areas elongated, narrow. Stigma 2 mm. 

 long. Chief cauline leaves .5-1 cm, long, thos3 of the 

 branches scale-like. 10. A oligophylla. 



Seeds yellowish-brown. Plants not tending to blacken in dry- 

 ing. Calyx-tube evidently reticulate-venose. Racemes 

 little elongated, and some flowers appearing terminal, 



IV. Erectae. 

 Corolla 12-18 mm. long pink, with prominent red spots 

 within. Stigma 2-3 mm. long. Capsule globose to 

 globose-ovoid, brown, 4-5 mm. long. Seeds rounded and 

 turgid. Calyx-lobes .5-1.8 mm. long. Pedicels 8-30 mm. 

 long. Plant divaricately and relatively evenly branched. 



11. A. gattingeri. 

 Corolla 8-12 mm. long, pale-pink, with faint spots within. 

 Stigma 1 mm. long. Capsule globose-obovoid, light- 

 brown, 5-6 mm. long. Seeds angled, not turgid. Calyx- 

 lobes 1.5-2 mm. long. Pedicels 5-22 mm. long. 

 Plant widely branched, the primary branches long and 

 laxly ascending. 12. A. viridis. 



Corolla with posterior lobes arched or flattened over stamens and 

 style, the anterior lobes spreading. V. Tenuifoliae. 



Posterior corolla-lobes over one half length of anterior, concave- 

 arched. Stem nearly or quite glabrous. Axillary fascicles 

 not or but moderately developed. 

 Corolla 20-23 mm. long, pubescent within in narrow line 

 below posterior sinus. Seeds nearly black, with re- 

 ticulations firm and enclosing nearly hexagonal sunken 

 areas; intrareticular lines none. Leaves scabro-roughen- 

 ed to nearly glabrous above. 

 Calyx-lobes .1-.4 mm. long, triangular-subulate to subu- 

 late. Id. A. edwardsiana. 

 Calyx-lobes .6-1 mm. long, triangular to triangular- 

 acuminate. 13a. A. edwardsiana glabra. 

 Corolla 10-23 mm. long, glabrous within below posterior 



