SCBOPH.ULARIACE^. 262 BUCHKERA, 



Mts. N. H. Stem smooth, square, erect, 4—6 inches high. Radical leaves 

 obscurely toothed, punctate. Flowers pale blue, on peduncles an inch or mors 

 in length. June. Per. 



12. LIMOSE'LLA. 



■Calyx 5-cleft; corolla shortly campanulate, 5-clcft, equal; 

 stamens approximating in pairs 5 capsule partly 2-celled, 

 2-valved, many-seeded. 



Lat. limus, mud ; the plant grows by the edge of puddles and muddy 

 places. Small, aquatic iierbs. Lvs. radical. Scape 1 flowered. 



L. SUBULA'TA. Tves. 



Leaves linear, very narrow, scarcely dilated at the apex ; scape 1 -flowered, 

 as long as the leaves. A minute plant, an inch in higlit, growing on the 

 muddy banks of rivers. Leaves and flower-stalks radical. Flowers very 

 small, blue and white. Aug. Per. Mudwort, 



13. COLLI N'SIA. 



Calyx S-cleft; corolla bilabiate, orifice closed, upper lip 

 bifid, lower trifid,with the middle segment carinately saccate 

 and closed (bver the decllnate style and stamens; capsule 

 globose. 



Named by Mr Nuttall in honor of Z. Collins, Esq., of Philadelphia. An- 

 nual herbs with opposite or verticillate leaves. Inflorescence axillary. Caps, 

 partly 1-celied and imperfectly 4-valved. Seeds 2—3, umbilicate. 



C, VERNA. ^'■utl. 



Leaves oblong-ovate, sessile, obtuse, the lower ones attenuated at base into 

 a long petiole ; peduncles long, axillary, 1 -flowered. Grows on the banks of 

 streams, particularly of the JVlohawk, &c., in the vicinity of Utica, according 

 to X>r. Gray. Stem a fool high, minutely pubescent. Leaves obtuse, pubes- 

 cent, opposite or verticillate. Flowers opposite or verticillate. Corolla 

 variegated with blue, red and white. July. Tall Pink. 



14. BUCHNE'RA. 



Calyx 5-toothed ; corolla tube slender, limb flat, in 5 cor- 

 date, subequal lobes; capsule 2valved. 



In honor of J. G, Buchner, a German botanist, 1743. Herbs with the leaves 

 and flowers opposite, the latter in a terminal spike. Cor. nearly regular. 

 Stam. very short, included. Style as long as the tube. Caps, ovoid-oblong, 

 obtuse, 2-celled, dehiscent at the summit. Seeds minute, striate. 



B. America'na. 



Leaves ovate-lanceolate, denticulate, scabrous, 3-nerved, sessWe ; flowers 

 remotely spiked. In low grounds. Stem 1 — 2 feet high, simple or slightly 

 branched, slender and terete, ending in a long, loose and somewhat virgate 

 spike of purple flowers. Leaves 1 — 2 inches long, very rough, appressed to 

 the stem. Flowers axillary and sessile. Stamens inserted 2 in the throat of 

 the corolla and 2 in the middle of the tube. Calyx half ^s long as tube of 

 oprolliji. Aug. Per. Blue-hearts. 



