scROPiitn.ARiACF.yE. (figwort famti.t.) 337 



lobes obtnsc or notched. Stnmcns 4, under the upper )ip : antlicr-cclls equal, 

 pointed at tlic base. Pod oblong, fl.ittencd. Seeds numerous. — Ilerlis witli 

 branebin<; stems, and opposite toothed or cut leaves. Flowers small, sj)iked. 

 (Name elcf^paala, cheerfulness, in allusion to its reputed medicinal properties.) 



1. E. officinalis, I-^- Low annual; leaves ovate or lanceolate, the lowest 

 crcnato, the (Uiral lirisily-toothed ; lobes of the lower lip of tlic (whitish, yellow- 

 ish, or bluish) corolla notched. — Alpine summits of the White Mountains, New 

 Hampshire {Ouhs), Lake Superior, and northward. A dwarf variety, 1 '-.')' 

 high, with very small flowers. (E. pusilla, Godcl, mss.) (Eu.) 



23. RHINANTHUS, L. Ykllow-Ratti.e. 



Calyx membranaceous, flattened, much inflated in fruit, 4-toothed. I'pper 

 lip of the corolla arched, ovate, obtuse, flattened, entire at the summit, hut fur- 

 nished with a minute tooth on each side below tlic apex ; lower lip 3-lobcd. Sta- 

 mens 4, under the upper lip : anthers approximate, hairy, transver.se; the cells 

 equal, pointless. Pod orliicuhvr, flattened. Seeds many, orbicular, winged. — 

 Annual upright herbs, with opposite leaves; the lower oblong or linear; the 

 upper lanceolate, toothcJ ; the floral rounded and cut-serrate with bristly teeth ; 

 the solitary yellow flowers nearly sessile in their axils, and crowded in a one- 

 sided s])ikc. (Name composed of piv, a snout, and tivdos, a Jlourr, fvom the 

 beaked u])per li|) of the corolla in some species formerly of this genus.) 



1. E. Crista-g^lli, L. (Common- Yellow- Rattle.) Leaves ol)long 

 or lanceolate; seeds broadly winged (when ripe they rattle in the inflated calyx, 

 whence tlic popular name). — Plymouth, Mass. (probably introduced), White 

 Mountains, X. Hampshire (Tuckennun), Lake Superior, and northward. (Eu.) 



24. PEDICULARIS, Tourn. Loisewort. 



Calyx various. Corolla strongly 2-lippcd ; the upper lip arched, flattened, 

 often beaked at the apex ; the lower erect at the base, 2-crested above, 3-lobed ; 

 the lobes commonly spreading, the lateral ones rounded and larger. Stamens 

 4, under the upper lip: anthers transverse; the cells equal, pointle-'s. Pod 

 ovate or lanceolate, mostly oblique, several-seeded. — Perennial herbs, with 

 chiefly pinnatifid leaves, the floral bract-like, and rather large flowers in a spike. 

 (Name from fiidivulnx, a louse ; of no obvious application.) 



1. P. Canadensis, L. (Common Lolsewokt. AVood Betoxy.) 

 Hairy; stems simple, clustered (5'- 12' high); haves scattered; the lowist pin- 

 nalely parted; llie others half-pinmitijid; spike short and dense; calyx split in 

 front, otherwise .ilmost entire, oblique; upper lip of the (dull greenish-yellow 

 and purplish) corolla hooded, inciuved, 2-toothed under the apex; ]>od Jhit, 

 wiiieirhdt sirnrd-s/miird. — Co])ses and lianks : common. May -July. 



2. P. lanceol^ta, Michx. Stem upright (l°-.3° high), nearly simple, 

 mostly smooth; Imrcs ]Kiit/i/ opfiosito, ohlvnq-lnnreolate, doiib/i/ cut-toothed ; spiko 

 crowded; calyx 2-lolx'd, leafy-crested; upper lip of the (pale yellow) coi-oUa 

 incurved and bearing a short truncate beak at the apex ; the lower erect, so aa 

 nearly to close the throat; /W orate, smrci/i/ /onf/er than the cnli/r. (P. pallida, 

 Pursh.) — Swamps, Connecticut to Virginia and Wisconsin. Aug., Sept. 



G M 15 



