238 LOBELIA FAMILY 



1. CAMPANULA. Bellflower. 

 1. C. prenanthoides Dur. California Harebell. Perennial 

 plant with erect stems, leafy below but 

 nearly naked among the flowers, nearly 

 glabrous. Leaves ovate to lanceolate, 

 sharply toothed, tapering to the base, Y 

 to 1% in. long. Corolla blue, cylindric 

 in bud, nearly y 2 in. long, parted into 5 

 narrow lobes. Style becoming longer 

 than corolla. Capsule nearly globose. — 

 Coniferous woods along our lower bor- 

 ders. 



2. SPECULARIA. 



Venus Looking-glass. 

 1. S. biflora Gray. Annual plant, either 

 branched from the base or simple, the 

 flowers scattered along the upper part of the erect stem, 

 which is rough on the edges. Leaves sessile, ovate, some- 

 what wavy-margined, Y in. or less long. Lower flowers (self- 

 pollinated) inconspicuous, the upper (cross-pollinated) with 

 showy blue or purple corollas longer than the styles. Cap- 

 sule cylindric. — Hetch Hetchy Valley. 



3. HETEROCODON. 

 1. H. rariflorum Nutt. A delicate sparsely pubescent an- 

 nual, seldom 1 ft. high, the sessile flowers mostly concealed 

 by the broad bracts. Leaves roundish, the broad sessile base 

 partly clasping, % in. across. Lower flowers (self-pollinated) 

 inconspicuous, the upper (cross-pollinated by insects) larger, 

 with pale-blue open bell-shaped corollas. Calyx-lobes ovate, 

 leaf-like.— Plentiful below 5000 ft. alt. 



4. GITHOPSIS. 

 1. G. specularioides Nutt. A small annual (2 to 10 in.), 

 glabrous or nearly so, with rigid branches and showy blue 

 strictly erect flowers. Leaves linear, toothed, sessile, about % 

 in. long. Calyx-lobes rigid, linear, over \% in. long. Corolla 

 bell-shaped, 5-lobed, l / 2 to Y in. long. — Foothills, perhaps not 

 in our district. 



LOBELIACEAE. Lobelia Family. 

 Low herbs with alternate leaves, no stipules, and irregular 

 flowers. Calyx with 5 distinct lobes or teeth, its tube adher- 

 ent to the ovary. Corolla with 2 lobes in the upper lip and 3 



