CAMPANULACE^ — LOBELIACE^ 399 



S. Speculum, DC. Venus^ looking-glass. Low garden annual, with stem 

 branching diffusely: flowers purplish lilac to rose-colored or white, solitary 

 and terminal: leaves oblong, crenate. 



2. CAMPANULA. Bell-flower. Harebell. 



Flowers solitary or racemed or spiked, blue or white, not cleistogamous: 

 calyx 5-lobed: corolla bell-shaped: pod roundish, opening at sides (Fig. 25G;. 



C. aparinoides, Pursh. A weak, reclining, perennial, Galium-like, found 

 among grasses in moist meadows: stem very slender, triangular, angles 

 bearing rough backward-pointing prickles: leaves snuill, lance-linear, entire: 

 flowers very small, about }4-m. long, white, on spreading pedicels. 



C. rotundifdiia, Linn. Common harebell. Perennial from slender rooi 

 stocks, nearly or quite glabrous, 5-12 in. high: root-leaves rounded or 

 cordate, often withering before blooming season, the stem-leaves linear to 

 narrow lanceolate, entire: flowers few or solitary on slender pedicels, nod- 

 ding when open: corolla bell-shaped, with pointed lobes, J^-%-in. long, blue. 

 Rocky places, northward. 



C. Medium. Linn. Canterhurg hell. Cultivated from Europe, annual 

 or biennial, erect to 3 ft., rather hairy, branching or simple: leaves lan- 

 ceolate, rather coarsely-toothed: flowers 2-3 in. long, single or double, blue: 

 ttigmas 5: sepals leafy-appendaged at base. 



L. LOBELIACE^. Lobelia Family. 



Herbs: leaves alternate or radical, simple: flowers scattered, 

 racemed or panieled, often leafy-bracted: calyx-tube adherent to 

 ovary: corolla irregular, monopetalous, 5-lobed, usually split on one 

 side: stamens 5, usually united, at least by anthers, about the one 

 style: stigma 2-lobed: fruit a capsule, loculicidally 2-valved. 



LOBELIA. 



Flowers often showy, axillary and solitary, or in terminal bracted 

 racemes: corolla as if 2-lipped: stamens generally unequal, monadelphous, 2 

 or all of the 5 anthers bearded at the top. Many species. 



L. cardinalis, Linn. Cardinal flower. Indian pink. A showy plant 

 of swamp}- or moist soil, also cultivated: tall, simple stem, 2-4 ft., with 

 showy, deep-red flowers (rarely pale colored), about 1 in. long, bracted, in 

 terminal racemes: leaves sessile, lance-oblong, slightly toothed. 



L. Erinus, Linn. The common, pretty, annual trailing or spreading 

 Lol)elia of gardens and greenhouses: flowers many, small, very blue, 

 usually with white throats (varying to whitish): lower leaves spatulate: 

 upper narrow, toothed. 



L. syphilitica, Linn. Stem erect to 1-3 ft., angular, heavy: loaves 

 oblong-ovate, irregularly serrate: flowers in terminal, leafy raceme: flowers 

 intense blue (or white), 1 in. or more long: calyx hairy or hispid, lobes 



