170 PROCEEDINGS OF THE ACADEMY OF [May-Oct. 



Petioles nearly uniformly winged throughout; leaf- 

 blades longer than broad, sharply doubly serrate- 

 dentate. Corolla with posterior lobes united 

 nearly or quite to apex, so leaving slight if any 

 median orifice into hood. Anther-sacs narrowly 

 contiguous. 

 Corolla 8-10 mm. long; hood with slight median 

 orifice. Anthers 2 mm. long, the sacs opening 

 throughout. Style 1.5-1.8 mm. long. Capsule 

 3-4 mm. long. Winged petiole usually 12-18 

 mm. wide, and somewhat dentate. Plant pu- 

 bescent above with some gland-tipped hairs. 



8. F. alata. 

 Corolla 13-15 mm. long; hood truncate, without 

 apical median orifice. Anthers 3.5 mm. long, 

 the sacs opening from distal apex but not 

 throughout. Style 4 mm. long. Capsule 5-6 

 mm. long. Winged petiole 8-13 mm. wide, 

 entire. Plant pubescent throughout with gland- 

 less hairs. 9. F. nevadensis. 

 Anther-sacs curved (so anther horseshoe-shaped), opening 

 from proximal apices partially or throughout. Capsule 

 pubescent with glandless hairs. Corolla glabrous within 

 at base. Style 5 mm. long. Wing of petiole more than 

 one-third width of blade. 

 Leaves sharply dentate, above glabrate, beneath paler 

 and finely pubescent. Stem glabrate below, some- 

 what hirsute above. Calyx 8-10 mm. long. 



10. F. tolimensis. 

 Leaves obtusely dentate, above pubescent, beneath softly 



pubescent to tomentose. Stem hispid below, hirsute- 

 pubescent above. Calyx 9-11 mm. long. 



11. F. perfoliata. 

 Capsule narrowly pyramidal, longer than broad, thin-walled, 



nearly twice as long as the sepals. Corolla 5-6 mm. long, 

 nearly globose, with posterior lip attenuate to a shallowly 

 notched apex. Filaments slender, several times longer than 

 the hemispheric anthers. Inflorescence appearing as if with 

 flowers axillary, normally one secondary branch developing 

 repeatedl}^ through an indefinite number of nodes. 



12. F. ovata. 

 Anther-sacs separated on two arms of the connective (filament 



wanting or very short), dissimilar, the anterior tending to 

 become sterile. Anterior lip two to four times the width of the 

 posterior. Leaves pinnately lobed. [Aposecos Benth.] 

 Anterior anther-sac fertile, brown or yellowish. Style .6-. 8 mm. 



long. Calyx 3-5 mm. long. Pedicels and stems above 



pubescent with gland-tipped hairs. 



