POPULAR FLORA. 167 



51. LOBELIA FAMILY. Order LOBELIACE^. 



Herbs -with milky (acrid-poisonous) juice, alternate leaves, and scattered floweis, the 

 stamens free from the peculiarly irregular corolla, which is split down on one side (Fig. 

 184), and borne with it on the many-seeded ovary. We have only one genus, viz. : — 



liObelia. Lobelia. 

 Calyx with its short tube adherent to the 2-eelled ovary, and with 5 slender teeth or lobes. Corolla 

 unequally 5-lobed, and split down to the bottom on the upper side! Stamens 6, united into a tube both 

 by their filaments and their anthers! Style one. Pod opening at the top. The following are the 

 commonest wild species (all but Nos. 3 and 4 in low grounds); fl. summer and fall. 



1. Cardinal-flower L. Tall, smooth, with a raceme of large, brilliant red flowers. L. cardinalis. 



2. Great Blue L. Rather hairy, 1° or 2° high; leaves lanoe-oblong; flowers 1' long, crowded in a 



leafy raceme, light blue. L. syphilitica. 



3. Spiked L. Stem simple, straight, and slender, 1° to 3" high, including the long and naked spike- 



like raceme of small pale-blue flowers; lowest leaves obovate or oblong. L. spicata. 



i. Indiak-Tobacco L. Branching, 8' to 18' high; leaves ovate-oblong; flowers very small, in irregular 



leafy racemes, pale blue ; pods inflated. Open places. L. injlala. 



52. CAMPANULA FAMILY. Order CAMPANULACE^. 

 Like the last family in all general respects, except that the 

 showy corolla is regular, 5-lobed ; the 5 stamens separate ; the 

 stigmas and the cells of the pod 3 or 5. Juice milky. The 

 principal genus is 



Campanula or Bellflower. Campanula. 

 So called from its generally campanulate or bell-shaped corolla (Fig. 

 179 and 412). The following are the commonest species. 



* Wild species: stigmas and cells of the pods 3. 



1. Harebell C. A slender and very pretty plant, growing on shaded 



cliffs, 5' to 12' high; root-leaves round or heart-shaped, long-stalked, 

 toothed ; stem-leaves very narrow, entire ; flowers nodding, the 

 bright blue corolla bell-shaped, i' or more long. C. rotvmdifblia. 



2. Marsh C. A slender plant growing among grass, in wet places, with 



rough-angled stem and lance-shaped leaves ; a few small pale 

 flowers on diverging peduncles. C. apaHjundes. 



3. Tall C. Stem tall, leafy, ending in a leafy loose spike (1° or 2° 



long) of blue flowers ; corolla wheel-shaped ; style long and curved. 

 Rich low ground. C. Americana. 



* * Garden species: stigmas and cells of the pod 5. '"• Harebell. 



4. Canterbury Bells. Hairy, with stout stems, very large blue (or white) flowers, and broao 



appendages of the calyx covering the pod. C. Medium. 



