BLUEBELL FAMILY 79 
4. HETEROCODON Nutt. Trans. Amer. Phil. Soc. II. 8: 255. 1843. 
A small delicate annual with weak slender stems and sessile or partly clasping, sub- 
orbicular leaves. Flowers of two forms, the earlier ones with rudimentary corollas and 
ate t 
foliaceous, much longer than the tube, 3-4 in the early cleistogamous flowers, 5 in the 
later open ones. Corolla blue, broadly campanulate, 5-lobed. Filaments of the saree 
ciliate at base. Styles as in Campanula. Capsule 3-celled, - -angled, goat at base b 
valve-like opening in the capsule-wall over adjacent loc See merous. Nave 
from two Greek words meaniiy different and bell, for the two kinds of bell-etin get flowers. } 
A typic g f western North America. 
5092 
5090. Campanula angustiflora 5092. Triodanus perfoliata : 
5091. Triodanus biflora 5093. Asyneuma prenanthoides 
