PIGWORT PAJIILI. 231 



b. Neidier spur- nor sac atbase af the corolla, nor a projecting palate in the throat, 

 nor with the upper Up laterally compivssed or folded and narrow and arched. 



1. Stamens with anthers 4, and no rudiment of the fifth : peduncles \-fiomered. 



16. MAURANDIA, including LOPHOSPERMUM. Herbs with alternate or partly 

 opposite leaves, and solitary long-peduncled flowers in their axils, climbing 

 by their coiling leafstalks and nowerstalks. Calyx 5-parted, foliaceous. 

 Corolla open-mouthed, between bell-shaped and inflated-tubular, with 2 



f)]aits or hairy lines running down the tube within, the border obscurely 2- 

 ipped or oblique, but the B spreading roundish lobes nearly similar, the upper 

 ones outermost in the bud. Pod as m 14. 



16. DIGITALIS. Herbs with erect simple stem, alternate leaves, and a simple 



terminal raceme of hanging flowers. Calyx B-parted, foliaceous, the upper 

 sepal smallest. Corolla declining, with a long more or less inflated tube and 

 a short scarcely spreading border, distinctly or indistinctly lobed, the lower 

 lobe or side longest, the lateral ones outermost in the bud. Pod 2-valved, 

 many-seeded. 



17. GERAlSDIA. Herbs with branching stems, opposite or some alternate leaves, 



and above with single flowers in their axils or those of the bracts. Calyx 

 6-toothed or 5-cleft. Corolla inflated bell-shaped or tubular-funnel form, 

 with an oblique or rather unequal border, the 5 lobes somewhat equal, the 

 lower and lateral ones outside in the bud. Two pairs of stamens of quite 

 unequal length. (Lessons, p. 95, fig. 194.) Pod globular or ovate, pointed, 

 2-valved, many-seeded. 



18. SEYMERIA. flerbs, like 17 ; but corolla with a short and broad bell-shaped 



tube, not longer than the 5 ovate or oblong nearly equal spreading lobes ; and 

 the stamens almost equal, their anthers blunt at 'base. 



19. MIMULUS. Herbs, with opposite leaves, and single flowers in the axils of the 



upper ones. Calyx prismatic, with 5 projecting angles, 8-toothed. CbroUa 

 tuBular or funnel-form, 2-lipped, the upper lip of 2 rounded and recui-ved 

 lobes, the lower of 3 rounded spreading lobes. Stamens included. Stigma 

 of 2 flat lips. Pod 2-valved, many-seeded. 



20. TORENIA. Trailing herbs, with opposite leaves and axillary flowers. Calyx 



prismatic, with sharp angles, 2-Iipped at summit,, the lips 2-toothed and 

 3-toothed. Corolla short-funnel-shaped or tubular with inflated throat, 

 4-lobed, the upper lobe (sometimes slightly notched) outermost in the bud. 

 Filaments arched and their aiithers brought together in pairs under the upper 

 lobe, the longer pair almost equalling the upper' lobe and bearing a snout 

 naked branch or appendage at base ; the shorter pair simple and included. 

 Stigma 2-lipped. Pod many-seeded. 



3> Stamens with ffnod anthers only 2, a pair of sterile ones or abortive filaments 

 generally present also : flowers smnll : calyx b-parted ; corolla 2-lipped : leaves 

 ojtposite, with single flowers in the axil if the upper ones : peduncles simple 

 and bractless. 



21. ILYSANTHES. Spreading little herbs. Upper lip of the short corolla erect 



and 2-lobed: the lower larger, spreading, 3-cleft. Upper pair of stamens 

 with good anthers, included in the tube of the corolla; lower pair borne in 

 the throat and protnided, 2-forked, without anthers. Stigma 2-llpped. Pod 

 many-'ieeded. 



22. GRATIOLA. Low herbs. Upper lip of the corolla either entire or 2-cleft; 



lower 3-oleft. Stamens included; the upper pair with good anthers; the 

 lower pair short with rudiment of anthers or a mere naked filament, or none 

 at all. Stigma 2-lipped. Pod many-seeded. A pair of bracts at the base 

 of the calyx. 



3« Stamens with anthers 4. the fifth stamen present as a barren filament or a scale : 

 cftlyx tj-partetl or.qf 5 ivtiyrirnted sepals: stigma simple: leaves chiefly oppO' 

 site : flitwers in the axils 'f the vpper leaves, or when these are reduced to 

 bracts forming a terminal panicle or raceme: peduncles few-flowered, or when 

 one-fltrwered tjearing a pair of bractlet^, from the axils' of which flowers may 

 spring : pod many-seeded. 



23. SCROPHULARIA. Homely and rank erect herbs. Corolla small, with a 



globular or oval tube, and a short border composed of 4 short erect lobes and 

 one (the lower) spreading or reflexed. Fertile stamens short and included; 

 the rudiment which answers to the fifth is a little scale at the summit of the 

 tube of the corolla. 



