SCROPFTULAKIACEAE (FIG WORT FAMILY J 735 



of piv, a snouts and &vdos, a flower, from the beaked upper lip of species once 

 united witli this genus.) 



Teeth of the upper lip of the corolla elongate, 1.5-2 mm. long' . . . . 1. R. major. 

 Teeth of the upper hp broad and low, less than 1 mm. 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 ; upi)er lip of corolla 

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



at base 2. R. Crista-(/aUi. 



Stem green, without black lines ; corolla yellow throughout . . . 3. ^. oblongifolius. 

 Branches of tlie stem in weU develo[)ed 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 . . . . A. R. stenophyllux. 

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



the upper lip whitish-yellow . . . . • . . . . 5. R. Kyrollae. 



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

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

 loithont 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-galli 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 lower 

 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 glabrous, green, often black-striate ; corolla yellow, about 1.5 cm. 

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

 laieral lobes of the lower lip with a black spot at base. {B. minor Ehrh.) — 

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

 indigenous northw., perhaps naturalized southw. (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, crenate-dentate, 

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

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

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

 long, greenish-yellow, often tinged with bronze; corolla yellow, 1-1.2 C7n. long. 

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

 blackened in drying. 



4. R. stenophylius (Schur) Schinz & Thellung. Stems 2-6 dm. high, black- 

 lineolate, commonly ivith long arcuate-ascending branches v'ith axillary fascicles ; 

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

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

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

 their teeth lance-deltoid; calyx purple-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 loiver lip with brown markings. — Boggy meadows and shores 

 near the Gulf of St. Lawrence, Gasp6 Co., Que., to N. S. (Eu. ) 



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

 simple, or comuionly vjith long ascending branehes vnthout 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 yelUnc-green, in maturity. 1.5 cm. hmg; corolla 8-13 mm. long, 

 light yellow, the teeth of the upper lip whitish-yellow, — Gravelly thickets and 

 meadows in calcareous districts, e. Que. to N. S. and n. Me.; Wash. 



