KEY TO THE SPECIES 81 



LXV. CAMPANULACEiE (Campanula Family) 



Herbs with alternate leaves, bell-shaped or wheel-shaped 

 usually blue and showy corolla, 5 separate stamens, a single 

 style and a 3-5-celled ovary becoming a many-seeded pod. 



1. Specularia. Flowers sessile in the axils of the roundish clasping leaves : 

 filaments hairy. 



S. Campanula. Flowers on slender stalks or in terminal spikes ; filaments 

 smooth. 



1. SPECULARIA (Venus Looking-glass) 



Low herbs with axillary blue or purplish flowers, S-lobed calyx, wheel-shaped 

 6-lobed corolla, hairy filaments, and a 3-celled oblong pod opening on the side by 

 3 holes. 



1. Specularia perfoliata (L.) A. DC. Somewhat hairy, 1-4 dm. high ; leaves 

 roundish or ovate, clasping by the heart-shaped base, toothed ; flowers sessile, 

 solitary or 2-3 together, only the upper one with a conspicuous corolla ; pod open- 

 ing ratlier below the middle. Sterile open ground. 



3. CAMPANULA (Bellflower) 



Herbs with terminal or axillary flowers, 5-cleft calyx, usually bell-shaped 

 5-lobed corolla, broad filaments and a 3- or 5-celled short pod opening on the side 

 by as many holes. (See Plant Kelations, p. 19, Fig. 13 ; p. 80, Fig. 74a. Also Plant 

 Structures, p. 238, Fig. 210a.) 



♦ Flowers few, on slender stalks ; stem-leaves narrow. 



1. Campanula rotunflifolia L. (Harebell. Blue-bell). Mostly smooth, 

 slender, branching, 1-3 dm. high, 1-10 flowered ; basal leaves round-heart-shaped 

 or oval, long-petioled, early withering away ; stem-leaves numerous, linear or 

 narrowly lanceolate, entire, smooth ; calyx-lobes awl-shaped ; corolla bright 

 blue ; style straight ; pod nodding ; its openings below the middle. Shaded 

 rocky ground. 



♦ * Flowers solitary terminal ; leaves all narrow. 



2. Campanula Parryi Gray (Parry's Bellflower). Glabrous, slender, 1-3 

 dm. high ; leaves denticulate, from spatulate-lanceolate to nearly linear ; flowers 

 peduncled, erect, rather large ; corolla blue, shading to purple, shaped like a funnel 

 without the tube, cleft nearly half its length ; only slightly longer than the linear 

 calyx-lobes. Wet grassy valleys. 



LXVI. CICHORIACEiE (Chicory Family) 



Like Compositce, but all the flowers of the head with strap- 

 shaped corollas (ligules). 



* Flowers yellow. 



*- Stemless ; heads solitary, terminal on naked scapes. 



1. Agoseris, Scape solid ; achenes 10-ribbed, short beaked. 



