campaxclacej:. (eellflower family.) C7 



of which grow within tlic limits of tins Flora. Although the flower heads arc frequently 

 large, the separate flowers, w ith Ijut few exceptions, are too small to be examined with- 

 out the aid of a microscope skillfull^' used. The order is, therefore, far too difi^cult for 

 the l>cginner. 



ORDER LOBELIACE-E. Downinqia degans, Tirr.,aml D. pulchell a, Torr., are two beautiful flants 

 (the flowers resembling the cultivated Lobelias) sometimes cultivated under the name C/i«(onia, which 

 properly belongs to an endogenous herb. The formtr has light blue flowers; the latter, deep azure- 

 blue; both with white or yellowish centers. May be foimd in wet places. 



Order 32. CAMPANULACEiE. 



Herbs with alternate leaves without stipules and regular flowers, having the calyx 

 adnate to the ovary, distinct stamens (5, rarely 4) inserted with the corolla, alternate 

 with its lobes. — Calyx persistent. Stamens with introse anthers, opening in the bud. 

 Style single, its uppjer portion beset with hairs which collect the pollen, its summit 2-5- 

 lobed or cleft. 



* Ovary and capsule long and narrow. 



Capsule opening at the top; calyx-lobes long Githopsis. 1 



Capsule opening by 2 or 3 holes on the sides Specularia. 2 



* * Ovary and capsule short and broad, or glohidar. 



Capsule bursting indefinitelj'; calyx-lobes broad Heterocodon. 3 



Capsule opening on the sides by 3 to 5 holes; calyx-lobes narrow Campanula. 4 



1. GITHOPSIS, Xutt. 



Flowers all alike. Calyx with a clavate lO-ribbed tube, and 5 long and narrow folia- 

 ceous lobes. Corolla tubular-campanulate, 5-lobed. Filaments short, dilated at the base. 

 Ovary 3-celled; stigmas 3. Capsule strongly ribbed, crowned with the rigid calyx-lobes 

 of its own length or longer, opening between them by a round hole. 



1. G. specularioides, Xutt. An inch to a span high; leaves lanceolate-oblong or 

 linear, sessile, coarsely toothed; flowers erect, deep blue, usually with a white center; 

 the ovate lobes of the corolla about equaling the rigid calyx-lobes. 



2. SPECULARIA. Heister. 



Flowers in our species of two kinds; the lower and earlier usually with no corolla. 

 Calyx-tube prismatic or elongated-obconical ; the lobes 5, narrow. Corolla short and 

 broad, rotate when fully expanded, 5-lobed. Stigmas 3 or 2. Capsule opening by round 

 holes on tlie sides. . 



1. S. biflora, Or. Stems slender; leaves sessile, ovate or oblong, crenately toothed, the 

 upper reduced to lanceolate bracts; flowers 1, rarely 2, in each axil, nearly sessile; the 



