108 I,EAFI,ETS. 



which commonly surpasses not only the tube, but the calyx 

 as a whole, sometimes inclining even to oval, but never de- 

 pressed globose. 



My last field observation of G. mesochora was made at Knox, 

 Indiana, late in August, 1899 ; and the specimens made then 

 and there, preserved in my own herbarium, are the best I have 

 seen, and are typical of the species. 



Gerardia crustata. Annual, stoutish and rigid, erect 

 and rather strict, the few and more or less definitely paniculate 

 branches strongly ascending, only the more or less crustaceous 

 angles scaberulous : leaves narrowly lance-linear, firm and 

 hard, glabrous on both faces but the whitened and crustaceous 

 margins scabrous : flowers mostly alternate, subsessile, form- 

 ing a rather dense spiciform inflorescence : flowers not large 

 for the plant, the purple corolla but M inch long, all its lobes 

 rather lightly ciliate, broad and obtuse, or the middle one and 

 largest definitely emarginate, or at least refuse : fruiting calyx 

 campanulate, exceeded bj' the oval capsule, its segments 

 rather deep, triangular-sublate, its whole margin, as well as 

 the midvein, showing the white incrustation. 



Sapulpa, Indian Territory, 21 Sept., 1894, collected by 

 B. F. Bush, and distributed by him erroneously for the G. 

 heterophylla of Nuttell. Type specimens in my herbarium. 



Gerardia Langloisii. Commonly 2 feet high, stoutish, 

 much branched, in appearance shrubby or at least suffrutescent, 

 yet probably only annual, the mode of branching quite strict : 

 stem and branches strongly scabro-hispidulous both on the 

 angles and between them : leaves all small for the plant, nar- 

 rowly linear, scabrous : flowers small for the plant, subsessile, 

 approximate, always alternate on the many short strict sub- 

 erect branches : corolla purple, 5i inch long, its tube uncom- 

 monly long, narrow and not ventricose, very densely strigose- 

 pubescent, the lobes of the limb not large, more than usually 

 unequal : calyx under the flowers rather deeply campanulate. 



