6o6 REPORT OF NEW JERSEY STATE MUSEUM. 



ffff. Leaves in several whorls. 



g. Flowers minute, white, greenish or purplish. 



Galium, p. 704 



gg. Flowers yellow, showy. Lysiniachia, p. 631 



ggg. Flowers pink or green and white, with reflexed 



sepals and crown, juice milky. Asclepias, p. b4t) 



fffff. Leaves alternate (or a few opposite). 



g. Leaves pinnate, lobes deeply serrate. 



Hydrophyllum, p. 657 

 gg. Leaves slightly serrate, flowers bell shaped, 

 white, 6 mm. long, stem weak and reclining. 



Campanula, p. 714 



ggg. Leaves orbicular, amplexicaul, crenate, flowers 



rotate, 12 mm. broad, purple. Specularia, p. 715 



SSSS- Leaves coarsely toothed, large coarse herbs, 



3-15 dm. tall, flowers 75 mm. long, white or 



purplish. Datura, p. 674 



ggggg. Leaves entire. 



fi. Glabrous or slightly soft pubescent. 



i. Flowers blue, 15 mm. long, leaves 125 X 

 60 mm. Mertensia, p. 658 



ii. Flowers white, 50 mm. long. 



Convolvulus, p. 653 



iii. Flowers yellow, 12 mm. across, seed in 



an inflated involucre. Physalis, p. 675 



an. Flowers very minute, white, leaves 



18 X 12 mm. Samolns, p. 631 



hh. Minutely roughened or scrabrous or rough 



hairy, terminal part of inflorescence often 



coiled. Boraginacccr, p. 658 



ee. Stamens less in number than the lobes of the corolla. 



/. Leaves all basal. Plantago, p. 698 



ff. Leaves cauline. 



g. Plants erect, 3 dm. or more high. 

 h. Leaves serrate, opposite. 



i. Flowers in terminal, slender spikes. 



Verbena, p. 660 

 a. Flowers in axillar whorls. Lycopus, p. 672 

 iii. Flowers in terminal, globular clusters. 



. . Valerianella, p. 713 



hh. Leaves serrate in whorls. Leptandra, p. 683 



hhh. Leaves entire, hairy, flowers blue, 25 mm. long. 



Ruellia, p. 696 

 gg. Plants creeping or low, less than 3 dm. high, flowers 

 minute, blue or white. Veronica, p. 682 



dd. Corolla irregular. 



e. Anther-bearing stamens 5. 



/". Flowers white or yellow. Verbascum, p. 675 



//. Flowers blue. Echium, p. 658 



