TO LOBELIACE, 
3. PALMERELLA, Gray. 
Ll. P. debilis, Gr. Stems very leafy, 1 or 2 ft. high, ending in leafy-bracted raceme, 
4. LAURENTIA, Micheli. 
1. XZ. carnosula, Benth. Rooting in mud, 1 to 5 inches high: leaves entire. 
5. DOWNINGIA, Torrey. 
1, D. elegans, Torr. Often 9 to 12 inches high: leaves slender: corolla blue with 
white and yellow spot on lower lip like the following: 
2. D. pulchella, Torr. Lower corolla lip broader than long. 
3 D. bicornuta, Gr. Corolla lip with a pair of hollow appendages at base. 
4. D. concolor, Greene. Slender, diffuse: corolla blue throughout. 
CAMPANULACEER 
Capsule club-shaped, crowned with the rigid calyx-lobes, opening on top.......-.-+ oi 
Capsule oblong, opening by 2 or 3 holes in the sides: seeds flattened.............004 2 
Capsule short, opening as in No. 2: flowers all with corolla: calyx-lobes slender. ...... 3 
Capsule obpyramidal, bursting indefinitely: calyx-lobes ovate, toothed.... .....ce+00 & 
1. GITHOPSIS, Nutiall. 
1.G. specularioides, Nutt. Leaves small, coarsely toothed: flowers all alike. 
2. SPECULARIA, Heister. 
1. 8. biflora, Gr. Leaves ovate to lanceolate: lower flowers apetalous, sepals 3 or & 
2 8, perfoliata, A. DC. Stouter: leaves round, cordate-clasping: lower flowerssimilar, 
3. CAMPANULA, Tournefort. 
Annual: flowers erect; calyx-lobes connivent about the style in fruit..........cceecee 1 
Perennials: calyx-lobes not connivent in fruit: corolla deeply lobed. 
Style not longer than the corolla............ cece eee ce eeeceenseeee 2,3,4 
Style filiform, exceeding the corolla: leaves sharply serrate......... 4, 5, 6 
1, C. exigua, Rattan. Branching and flowering from base, 2 to 8 inches high, 
2. ©. scabrella, Engelm. Whitened with short -hairs, flowers erect, 5-6 lines long, 
3. ©. rotundifolia, L. Stem leaves linear: corolla bright blue, 6 to 12 lines long, 
4 ©. linnaifolia, Gr. Leaves broad, obtuse, crenately serrate: corolla light blue. 
5. ©. Scouleri, Hooker. Leaves ovate to lanceolate, short petioled: pedicels long. 
6 ©. prenanthoides, Durand. Leaves mostly sessile: flowers often clustered: pedis 
cels short, 
