132 BoNATI—PHTHEIROSPERMUM AND PEDICULARIS. 
++Tube of the corolla equalling the calyx; two stam- 
inal filaments hairy ; see of hood simple, lower 
lip denticulate. . P. Steminger, Bonati. 
**Hood ending in a eeent bea lower lip broadly 
reniform 
+ Calyx ‘ict split in front, with lobes short and entire; 
hood ses only on the ede: two filaments hairy. 
12. P. brachystachys, Bunge; 
aes Cais split in front with teeth large and incised ; hood en- 
tirely ha 
ATube A se corolla slightly exceeding the calyx and 
bent at its exit from the latter; lower lip with lobes 
subequal; beak pina sh 
nik pric liiehnecs, bisck. f. 
AATube of the corolla 1% ae as long as the calyx, not 
bent; lower lip with median lobe smaller than the 
lateral; beak scarcely arched. 
tt. 8. Pecks. Maxim. 
B. Species without bask: 
a. Hood boat-shaped, open in front. 
*Plant hairy or shaggy 
+ Tube of the corolla hairy on exterior. 
ATube of the corolla aes the calyx; teeth of the 
calyx lanceolate. + ee aan Franch. 
AATube of the ome twice as long as the calyx; lobes of 
calyx obtus C 16. P. rudis, Maxim. 
+ + Tube of the ee adicas on oer ¢ 
ATwo staminal filaments glabrous, the two others hairy 
at the base ; calyx with tooth at apex entire. 
. 17. P. aequibarbis, Handel Masset. 
AA Filaments all glabrous. 
+Calyx with teeth linear, acute, entire or obscurely 
denticulate ; tube of the corolla twice as long as the 
calyx. Plant of large size (90 cm. or more). ‘ 
18. P. Dunniana, Bonati. 
ECalys witli fecth obtuse: Geeply incised ; tube of the 
corolla equalling or scarcely exceeding the calyx; 
plant from 4o-45cm. 19. P. Prainiana, Maxim. 
**Plants glabrous or glabrescent; staminal filaments glab- ; 
rous ; lower lip ciliate. 
+ Plant of very ith size; hood bent, enlarged at the ex- 
tremity . 20. P. princeps, Bur. et Franch. 
+ + Plant of as cm. with angular stem ; hood straight, up- 
right, tapered bam subacute at the sstvccuity. 
. ‘; ne 'g povesPacyaaho,® Bande Masse: 
Hae tristiformis, Bonati 
