VASCULAR PLANTS. 55 



1. Pedicularis, Tournef. 



Corolla ringent; upper lip laterally compress- 

 ed. Stamens didynamous; anthers of equal 

 size and insertion. Capsule loculicidous. It • 



2. Cordylanthus, Nutt. 



Calyx spathaceous; fissures if present lateral. 

 Lips of the corolla short; upper one laterally 

 compressed. Stamens didynamous; anthers 

 2-locular; loculi separated and of different shape 

 and insertion. Capsule loculicidous. . 



3. Orthocarpus, Nutt. 



Calyx spathaceous, cleft vertically. Corolla 

 personate; upper lip the smaller; lower saccate. 

 Stamens didynamous; loculi separated and of 

 different shape and insertion. Capsule loculi- 

 cidous. . 



4. Castilleia, Nntt. 



Calyx spathaceous, cleft vertically. Corolla 

 ringent: upper lip the larger. Stamens didy- 

 namous; loculi separated, and of different shape 

 and insertion. Capsule loculicidous. 0. 2£. 



Tkibe II. Veronicae. 



Lower half of the coralla in nestivation cover- 

 ing the upper half, not tubular nor bilabiate. 



5. Veronica, L- 



Calyx 4 — 5 cleft. Limb of the corolla 4-cleft; 



