SCROPHULAUrACEAB (irmWOKT FAMILY) 735 



of filv, a snout, and dvOos, a flower, from the beaked upper lip of species once 

 united with this genus.) 



Teeth of the upper lip of the corolla elongate, 1.5-2 mm. long , . . . 1. B. mc0or. 

 Teeth of the upper lip broad and low, less than 1 ram. long. 

 Branches of the stem, when present, short and scarcely developed at flower- 

 ing season, later if elongating bearing only reduced flowers. 

 Upper part of the stem marked with fine black lines ; upper lip of corolla 

 with purplish teeth, lateral lobes of the lower lip with a black spot 



at base . 2. i?. Criaia-galli. 



Stem green, without black lines ; corolla yellow throughout . . Z. R. oblmigifolUtn. 



Branches of the stem in weU developed plants elongate at flowering season, 

 their flowers like those of the primary inflorescence. 

 Upper part of the stem marked with fine black lines ; upper lip of corolla 



with bluish teeth, lower lip with brown markings . . . . 4. i?. 8t&nopliylliiH. 

 Stem green, without black lines ; corolla yellow throughout, the teeth of 



tbe upper lip whitish -yellow . ... . . , 5. JJ. KyroUae. 



1. R. mXjok Ehrh. Simple or with numerous long branches, 2-8 dm. high ; 

 stem with conspicuous black lines above, essentially glabrous, the branches mosthj 

 without axillary fascicles ; leaves lanceolate, the teeth subappressed ; bracts gla- 

 brous, all but the lowest pale, broadly triangular, the tip prolonged, their lowest 

 lance-attenuate teeth 5 mm. long ; calyx glabrous except for the slightly scabrous 

 margin ; corolla 2 cm. long, the tube slightly curved, the purple teeth of the 

 upper lip horizontal. — Damp fields, Plymouth, Mass. (Oakes). (Adv. or nat. 

 from Eu.) 



2. R. Crista-g411i L. Stems 1-6 dm. high, black-lineolate, at flowering season 

 usually bearing short branches in all but the lower axils; these branches remain- 

 ing conspicuously shorter than the primary stem, sometimes slightly elongating 

 and bearing reduced flowers; leaves lanceolate or lance-attenuate, crenate- 

 dentate, the teeth subappressed ; bracts glabrous, dark green, the Iswer 

 lance-attenuate, the others elongate-deltoid, their lower lance-attenuate spread- 

 ing-ascending crowded teeth (5 mm. long) much exceeding the appressed upper 

 ones; calyx glabroiis, green, often black-striate ; corolla yellow, about 1.5, cm. 

 long, its tube straight, the teeth of the upper lip depressed, rounded, violet, the 

 lateral lobes of the lower lip with a black spot at base. {R. m,inor Ehrh.) — 

 Dry gravelly thickets and sterile fields, near the coast, Nfd. and e. Que. to Ct. ; 

 indigenous northw., perhaps naturalized south w. (Eu.) — Plant strongly black- 

 ened in drying. 



3. R. oblongifblius Fernald. Stems 6-40 cm. high, simple or with few very 

 short branches, green ; leaves oblong or linear-oblong, obtuse, orenate-dentate, 

 scabrous above, minutely pilose beneath ; Itracts scabrous, mostly shorter than 

 the mature calyces, deltoid-ovate, laciniate-dentate, the lower deltoid-lanceolate 

 teeth 3-4 mm. long; calyx glabrescent, the margins cUiate, in fruit 1.3-1.9 cm. 

 long, greenish-yellow, often tinged with bronze; corolla yellow, 1-1.2 cm. long. 

 — Lab. to alpine regions of Me., N. H., and n. N. Y. — Plant but slightly 

 blackened in drying. 



4. R. stenophyllus (Schur) Sohinz & TheUung. Stems 2-6 dm. high, black- 

 lineolate, commonly with long arcuate-ascending branches with axillary fascicles ; 

 leaves linear- to oblong-lanceolate, crenate-dentate, the teeth subappressed ; 

 bracts glabrous, purple-tinged, the lower like the foliage leaves and subtending 

 the remote flowers ; upper brads subapproximate, triangular, equaling the calyx, 

 their teeth lance-deltoid; calyx puiple-tinged, glabrous, in fruit 1.5 cm. long; 

 corolla 1.5 cm. long, canary-yellow, turning brownish, the teeth of the upper lip 

 blue-gray, the lower lip with brown markings. —'Boggy meadows and shores 

 near the Gulf of St. Lawrence, Gasp^ Co., Que., to N. S. (Eu.) 



5. R. Kyr611ae Chabert. Stems 3-7 dm. high, green, not black-lineolate, 

 simple, or commonly isith long ascending branches without axillary fascicles ; 

 leaves oblong-lanceolate, scabridulous, the teeth subappressed or slightly spread- 

 ing ; bracts pale green, lance-deltoid, with lance-acuminate spreading-ascending 

 teeth; calyx yellow-green, in maturity 1.5 cm. long; corolla 8-13 mm. long, 

 light yellow, the teeth of the upper lip whitish-yellow . ~ GraveUy thickets and 

 neadows in calcareous districts, e. Que. to N. S. and n. Me.; Wasli. 



