1920.] NATURAL SCIENCES OF PHILADELPHIA. 169 



with its orifice evident; orifice to hood narrow, or trun- 

 cate; to sac truncate, with sac deep. 

 Calyx 4-5 mm. long, shorter than or about equaling the 

 capsule. Leaves sessile. Stem densely glandular-pubes- 

 cent. 

 Leaves narrowed at base, elliptic-lanceolate, dentate, on 

 both surfaces densely ferruginous-pubescent with dark- 

 jointed hairs. Stem below densely, above sparsely 

 pubescent. Inflorescence of a few wide-spreading 

 branches. Corolla 8-10 mm. long. Anthers about 

 1.5 mm. long. 3. F. lehmanniana. 



Leaves rounded-clasping at base, lanceolate, crenate-serrate 

 (with spinulose serrations), above glabrate, beneath 

 paler and finely pubescent. Stem below apparently 

 glabrate, above pubescent with short gland-tipped 

 hairs. Corolla about 12-15 mm. long. Anthers about 

 2.5 mm. long. 4. F. crenata. 



Calyx 7-12 mm. long, longer than the capsule. Leaves 

 petioled, petiole at times broadly winged. 

 Anther-sacs stiffly divaricate (so anthers straight), open- 

 ing throughout or from distal apices. Capsule with 

 gland-tipped hairs. Corolla slightly pubescent within 

 at base. Style 1.5-4 mm. long. Wing of petiole less 

 than one-third width of blade or wanting. 

 Leaves 3-5 mm. long, the petioles wingless. 



Stem pubescent throughout with glandless hairs. 

 Calyx-lobes obtuse to acute. Corolla 15-20 

 nun. long. Style 1.5 mm. long. Leaves 3-4 cm. 

 long, obtuse to acutish, simply or somewhat 

 doubly crenate-serrate, beneath pale and densely 

 pubescent. Secondary branches of the inflores- 

 cence not or scarcely branched. 



5. F. saxalilis. 

 Stem pubescent distally with gland-tipped hairs. 



Calyx-lobes acuminate. Corolla about 10 mm. 

 long. Style 3 mm. long. Leaves 4-5 cm. long, 

 acuminate, irregularly somewhat doubly serrate 

 with acute teeth, beneath lighter green and some- 

 what pubescent. Secondary branches of the in- 

 florescence repeatedly branched. 



6. F. bogotensis. 

 Leaves 11-17 cm. long, the petioles winged proximally 



or throughout, the wing connate with that of oppo- 

 site leaf. 

 Petioles broadly winged proximally, distally very nar- 

 rowly margined; leaf-blades broader than long, 

 irregularly sha) lowly crenate-dentate. Corolla 

 with posterior lobes not united to apex, so leaving 

 a deep narrow orifice into hood. Anther-sacs 

 broadly contiguous. 7. F. trilobata. 



