552 CAMPANULACE (Sond.) [Laurentia. 
secundate. Pedicels commonly 2~3 times, rarely 4-5 times shorter than the leaf; 
in large, loose-flowered specimens ( F. erinoides, var. B. laxa, Presl ) the pedicel equals 
the leaf. Calyx tube 1 line long. Corolla white, 2 lines long to $, 5-fid, pubescent 
or glabrous. Capsule 1} line long, 
IX. LAURENTIA, Mich. 
Calyx 5-fid or 5-dentate. Cor.-tube entire, cylindraceous, straight ; 
limb bilabiate, the 2 upper lobes smaller, usually erect, the lower lip 
larger, 3-lobed, reflexed, laments free at the base, the middle connate, 
anthers included, glabrous, the 2 lower somewhat hairy, or terminated 
by setae. Capsule obovoid, inferior. Seeds minute, Nov. Gen. p. 18. 
—t, 14. 4. DC. Prod. p. 410. Lobelice spec. Linn. Solenopsis, Presl, prod. 
mon. Lob. p.32. Enchysice spec. Presl, Isotome, sp. G. Don. and Benth. 
Laurentice, sect. Solenopsis Endl. gen. 1, p. 512. ~ 
Small glabrous herbs, with small blue or whitish flowers on terminal and axillary 
pedicels. —Named after M. A. Laurenti, Botanist at Bologna. 
Glabrous. Stem 1 foot, erect. Radical leaves aggregated, oblong, 
entire or sinuate-denticulate ; raceme elongate, many-flowered (1) arabidea, 
Minutely pubescent at base. Stem 1-3 inches, erect. Radical 
leaves subaggregated, obovate, unequally and coarsely toothed ; 
pedicels 2-4, subracemoee =. 20s Hoe i es as 
Pubescent or glabrous, branches decumbent. Leaves roundish, 
acutely 5-9-toothed _ ... = sae (3) pygmea, 
(5) hederacea,- 
_ (2) bifida. 
1, L. arabidea (A. DC.! 1. c.); annual, glabrous; stem mostly soli- 
tary, erect, terete, slender; radical leaves aggregated, oblong, acute or 
obtuse, sinuato-denticulate or entire, shortly petiolate or sessile, tapering 
at the base ; cauline and floral leaves rare, linear, denticulate; raceme 
elongate; pedicels one-half or twice longer than the bractea; calyx-tube - 
ovoid, narrowed at the base, terete, equalling the linear-acuminate lobes; ~ 
corolla narrow, cylindraceous, 3 times longer than the calycine lobes; 
segments linear, the 2 upper narrower, the 2 lower of the subglabrous 
anthers terminated by a seta. Deless. Icon. v. 5, t. 14. Rap. arabideum, 
Presl! Prod. p. 18. Comm. pl. Dreg. p. 288. E. & Z. 2474. Herb.Un. 
tin. 488, ex pte. 
Has. Wet places near Waterfall, Tulbagh, and near Capetown, F. ¢ Z. Wyn- 
berg, W. H. H. Bergriver, Paarlberg, and Dutoitskloof, Drege. Nov.-Dec. (Herb. 
Hook., D., Sd.) 
Radical leaves about 1 inch long, 2 lines wide. Stem 1 foot, simple, straight, or 
with a few erect branches. Cauline leaves 12-6 lines long, 1 line wide. Raceme 
3-6 inches; pedicels often secundate, 4-6 lines long, erect, spreading. Corolla 
light blue, 3 lines long. Capsule ovoid, when ripe cylindrical, acute at the base. 
2. L. bifida (Sond.); annual, minutely pubescent at the base; stem 
solitary, erect, simple, terete, very slender; radical leaves 2-4, obovate, 
shortly petiolate, unequally and coarsely toothed, rarely subentire ; 
_ cauline leaves few, obversé-lanceolate or oblong-lanceolate, sessile ; 
pedicels 2-4, racemose, 2-3 times longer than the linear bractea; calyx- 
tube terete, narrow, a little shorter than the linear-acuminate lobes ; 
corolla narrow, cylindraceous, 4 times longer than the calycine lobes ; 
Segments oval, subequal, the 2 upper narrower; the 2 lower of the dor- 
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