82 CAMPANULACEAE 
on the upper lip and 3 on the lower, these often reversed by the inversion of the flower. 
Stamens 5, free from the corolla, or lower part of the filament sometimes adnate ; fila- 
celled. Style a stigtna 1—2-lobed ; ovules numerous, Fr uit a 1 “s-celled capsule. 
Seeds numerous, smooth or variously marked with transverse and longitudinal striae. 
Filaments ca or united distally; anthers distinct; flowers never blue. 
Flowers solitary on hig Dr pedicels borne on branches of erect stems. F; oe 
e stems. 2: shella, 
Tree ousted: “snthers che’ into a tube, two shorter, the opening of the tube thus oblique; ioe vari- 
Sly c 
Flowers pedicellate; le obconic to hemispheric or narrowly clavate. 
Corolla including lobes 2-10 m a a ng or lacking; more or less succulent annuals. 
Plants inenegyed aquatics; orl nao cewek less than 3 mm, long. 3. Howellia. 
corolla wich ia mm g 
Corolla 3. 41 mm. long; cap te-oblong, 1.5—2 mm. wide. Le. 
4. Legen 
Corolla abo le ob , 3-4 6. peers 
Corolla including ie eee 50. mm. long; coarse perennials heleds L. dortmanna and L. kalmit). 
7. Lobelia 
Le Dessningle. 
Flowers sessile; capsule very narrowly linear, simulating a flower-pedicel. 
1. NEMACLADUS Nutt. Trans. Amer. Phil. Soc. IT. 8: 254. 1843. 
diffusely branched annuals with numerous slender branches. Leaves a 
basal, the cauline leaves minute, sessile, subtending the dichotomous branches. Inflor 
cence racemose. Flowers minute on proportionately long, usually capillary ‘pedicels, Feds 
bracteate at base. Calyx partly or entirely free, the lobes triangular to ovate. Corolla bilabi- 
ate, the upper lip 2-lobed or -parted, the lower 3-lobed or-parted. Filaments monadelphous 
at the tip; stigma capitate, 2-lobed. Capsule 2-celled, 2-valv t cx - 
many-seeded. [Name from two Greek words meaning thread and branch, in reference to 
the very slender : oad branches. ] 
A genus of about 12 species, natives of Oregon and California, and also adjacent Arizona, Nevada, and 
Mexico. Type species: Nemacladus ramosissimus Nutt. 
Calyx a from the a ~ ol to the base; capsule two to three times as long as the Pipe al corolla-tube 
eeding the Af ongiflor us. 
Calyx-tube saeais to aay ovary ops not peck exceeding the calyx; corolla-tube not Wick de the calyx- inhive 
(slightly exceeding in N. secundiflorus) 
Seeds ek alata’ or zigzag, ded pation ridges, separating the well- or 3 ae 
Corolla about equaling the lobes, not exceeding the calyx-lobes exc N. secundiflorus. 
Axes of the shia a to a less oppnaek gee — Em * distinctly yt than broad 
ature capsule ol ted a x; mature pedicels widely socesits 
witha tg ale (this less ret a nN ‘secundsfiorus ia 
leaves Lane c-ovate to elliptic, entire or irregularly crenate-dentate; plants (the 
la ones) toa branched; cismontane feet “California <_< eserts. 
2. N. sigmoideus. 
Basal leaves oblong-lanceolate, oh apes crenate-dentate to saksledacihee Inner South 
Coast Ranges and Greenhorn Rang 
age yan reged included withi ns yx; distich 
4. N. secundiflorus. 
rset 8 t ee ostly included within the calyx; distich 
. N. gracil 
' Mature | Seer sharply pointed and a, firm at apex; mature peel ascending Rs 
upward only toward the N. pinnatifidu 
—— - the ra epoemes mreient and also the i seeds ote globose. : N. ramosissimus. 
Cor 
ube thus extremely shor 
Anthers 0.5-0.8 m: 
Branches diffuse poe spreading; pedicels mostly pj corolla-lobes ciliate; aioiave and 
Colorado Deserts and adjacent Nevada and Arizo rubes 
Branches at peice more or less stiffly ascending; corollas not, sitenes western <epes 
of Sie ee Kern Cou 8. N. int. 
Anthers 0.2-0.3 mm. lon 
Plants atirgy ceed 3—4 mm. long; base of fruiting calyx oblique to ar tee 
s delicate; capsule 1.5-2.7 sey: long; base of calyx long-turbirtate. 12. N. cpl, 
Seeds with longi im pressed lines, the flat fYransversely with fine lin 
Anthers 0.1—0.3 mm. hea: calyx-tube beondiy. rounded to se gag in fruit. ag N. Dlandaifras 
Anthers 0.6-0.7 mm. long; calyx-tube turbinate to oblique in fru Ns 
1. Nemacladus longiflérus A. Gray. Long-flowered Nemacladus. Fig. 5098. 
Nemacladus longiflorus A. Gray, Proc. Amer. Acad. 12: 60, 1876. 
Plants mostly 5-18 cm. high, stems 1 to several, branching from the base and above, minutely 
