526 PROCEEDINGS OF THE ACADEMY OF [PaRT III 



filiform-linear, slightly pubescent. Stigma 1.5-2 mm. long. Cap- 

 sule not seen. 



Type, sandy oakwoods, along San Antonio and Arkansas Rail- 

 road, about one mile west of Sheridan, Colorado County, Texas^ 

 collected in flower September 21, 1913, F. W. Pennell 5522; in Herb. 

 University of Pennsylvania. 



Sandy soil, post oak-woods, Fayette zone of central southeastern 

 Texas, northward in cross-timbers to the hills of southern Okla- 

 homa and the Arkansas River, certainly rare or local. Flowering 

 in September. 



Oklahoma. Johnston: Tishomingo, E. J. Palmer 6494 (M). 

 : Arkansas River, Nuttall (A). 



Texas. Austin: San FeHpe, Drummond 217 (H, Y). Colo- 

 rado: Sheridan, Pennell 5522 (C, H, L, M, P, U, Y). Dallas: Oak 

 Cliff, Reverchon (M). Harris: Houston, Hall (M). Waller: 

 Hempstead, Hall (I) [differs by calyx-lobes apparently abnormally 

 Jong, 5-6 mm. long]. 



26. OTOPHYLLA^ Benth. 



Otophylla Benth., in DC. Prod. 10: 512. 1846. 

 Type species, Gerardia auriculata Michx. 



Leaf-blades lanceolate to broadly lanceolate, upper auricled at 

 base; scabrous above. Spikes Uttle crowded. Calyx-tube over 

 one-half capsule length, retrorse-pubescent. Corolla 20-23 mm. 

 long. Style pubescent. Capsule 10-13 mm. long, broadly ovate. 

 Seeds slightly angled. 0. auriculata. 



Leaf' blades bipinnatifid, segments linear or nearly so; nearly glab- 

 rous above. Spikes densely crowded. Calyx-tube less than 

 one-half capsule length, minutely scabrellous to glabrate. Cor- 

 olla 23-32 mm. long. Style glabrous. Capsule 8-10 mm. 

 long, ovate-oblong. Seeds sharply angled. 0. densiflora. 



1. Otophylla auriculata (Michx.) Small. 



Gerardia auriculata Michx., Fl. Bor. Am. 2: 20. 1803. "In pratis regionis- 



Illinoensis [A. Michaux.]" Type not verified, but description distinctive. 



Otophylla auriculata (Michx.) Small, Fl. S. E. Un. St. 1075, 1338. 1903. 



Corolla rose-pink, with many rather small purple-red spots 

 within throat anteriorly. Flowering in August and September. 



Moist to dry prairies, old fields, apparently native from Michigan 

 to southern Minnesota and northwestern Arkansas; introduced in 

 the northeastern states, but whether introduced or native in north- 

 eastern Texas is uncertain. 



* For discussion of generic name see Bull. Torr. Bot. Club 40: 126. 1913, and 

 Torreya 19: 215-16. 1919. 



