PLANTS OF SOUTHERN NEW JERSEY. 607 



ee. Anther-bearing stamens 2 or 4. 

 f. Stems leafy. 



g. Stem 4-angled. 



h. Leaves opposite, plants aromatic, flowers two- 

 lipped. Labiatce, p. 661 

 hh. Plants not aromatic. Scrophulariacece, p. 675 

 gg. Stem not 4-angled (or if so, not aromatic). 



h. Stamens united by their anthers into a tubular 

 ring. Lobelia^ p. 715 



hh. Stamens not united. 

 i. Leaves opposite. 



/. Flowers in heads on pedicles 1-1.5 dm. 

 long, leaves entire. Dianthera, p. 697 



jj. Flowers minute, scattered in long slen- 

 der terminal and axillary spikes. 

 k. Reflexed in fruit. Phryma, p. 697 

 kk. Not reflexed in fruit. Verbena, p. 660 

 jjj. Flowers single axillary, or in short ter- 

 minal spikes. Scrophulariacece, p. 675 

 ii. Leaves alternate. Scrophiilariacea, p. 675 

 ff. No normal leaves ; leaves reduced to scales ; flowers 

 spurred, yellow (or minute, brownish). 



Utricularia, p. 688 

 bb. Trailing or climbing vines. 



c. Stems bright orange, on bushes, etc., no leaves. Ciiscuta, p. 654 

 cc. Stems normal, leaves present. 

 d. No tendrils present. 



e. Plant trailing on the ground. 



f. Flowers two (twin) white, terminating the branches. 



Mitchella, p. 703 

 f. Flowers in small heads, on pedicels 50-75 mm. long. 



Lippia, p. 661 

 fff. Flowers axillary, solitary, yellow. Lysimachia, p. 631 

 ee. Plant trailing over bushes, etc., or sometimes on the 

 ground. 



/. Flowers white, pink or blue ; large, funnel-form, 25 



mm. or more in length. Convolviilacece, p. 652 



ff. Flowers greenish, purplish or white minute ; leaves 



whorled. Galium, p. 704 



///. Flowers purple, wheel-shaped, with projecting con- 



nivent stamens. Solanum, p. 675 



ffff. Flowers trumpet-shaped, bright red Lonicera, p. 712 



dd. Tendrils present. Flowers greenish in clusters, leaves 5-lobed 



or angled. Cucurbitacecc, p. 713 



