676 REPORT OF NEW JERSEY STATE MUSEUM. 



dd. Tall herbs 6-20 dm. high, with dense terminal spike-like 

 racemes of tubular white flowers (4 mm. long). 



Leptandra virginica, p. 683 

 ddd. Low herbs, not over 6 dm. high. 



e. Flowers somewhat tubular, limb two-lipped. 



/. Two protruding sterile stamens in addition to those 

 bearing anthers. 



g. Peduncles long and fiHform, exceeding the sub- 

 tending leaves. /. anagallidea, p. 68i 

 gg. Peduncles as long as the leaves, or shorter. 



Ilysanthes dtibia, p. 680 

 //. Sterile filaments, short or none. 



g. Flowers bright yellow. Gratiola aurea, p. 680 



gg. Flowers white or tinged with yellow or purple. 

 h. Plant hirsute, flowers 8 mm. long. 



G. pilosa, p. 680 



hh. Plant glabrous, flowers 14 mm. long. 



, G. sphcerocarpa, p. 679 



hhh. Plant glandular, puberulent, flowers 8-10 mm. 



long. G. virginiana, p. 679 



ee. Flowers rotate, divisions nearly equal, not 2-lipped. 



Veronica, p. 682 

 cc. Anther bearing stamens 4. 



d. Terrestrial herbs with conspicuous flowers. 



e. Flower heads appearing scarlet, but color really re- 

 stricted to the foliaceous bracts, flowers greenish 

 yellow. Castilleja, p. 687 



ee. Flowers blue or violet, 25 mm. long, plants glabrous. 

 /. Leaves sessile, peduncles longer than the calyx. 



Mimulus ringens, p. 679 

 ff. Leaves petioled, peduncles shorter than the calyx. 



M. alafus, p. 679 

 eee. Flowers pink or purple. 



f. Plant hispid, flowers salverform, purple, 25 mm. 

 long, the limb nearly equally 5-parted, in a ter- 

 minal bracted spike. Buchnera, p. 683 

 //. Plants glabrous, with opposite sessile hnear leaves, 

 flowers bell-shaped, pink or purplish, pedicelled, 

 10-25 mm. long. Gerardia, p. 685 

 eeee. Flowers yellow. 



f. Similar to those of Gerardia, 25-35 nim. long. 



Dasystonia, p. 684 

 ff. Strongly 2-lipped, somewhat compressed. 15-20 

 mm. long. 



g. Plant glabrous, 3-9 dm. high, leaves pinnately 

 lobed. Pedicularis lanceolata, p. 687 



gg. Plant pubescent, at least above, 1.5-4-5 ^'"• 

 high, leaves pinnately parted. 



P. canadensis, p. 688 



