ORDER 86. SCBOPHULARIACB^E. 517 



TwBB 4. AjmBEHixEjE. a Corolla spurred at the base ........................ LIN ASIA. 5 



a Corolla saccate at the base, large ............ ANTIRRHINUM. 6 



b Corolla gibbous at base, large ............. MAURANDIA. 7 



b Corolla equal at base, large ............ LOPHOSPBRMUM. 8 



TRIBE 5. CHELOXE^E. c Sterile filament a scale. Fls. small, lurid*. ..... SCROPHULARIA. 9 



C Sterile fil. shorter than the rest. Seeds winged ..... CHELONB. 10 



O Sterile flL equaling the rest Sds. wingless ---- ... PENTSTEMON. 11 



d Corolla bilabiate. Herbs ..................... COLLINSIA. 12 



d Corolla tubular, bell-form. Tree ............. P AWLON i A. 13 



TRIBE 6. GRATIOLEJE. e Calyx prismatic, 5-angled. Corolla long ........... MIMULUS. 14 



e Calyx 5-parted, equal. (Lvs. many-cleft) .......... COSOBEA. 15 



6 Calyx 5-parted, unequal. (Leaves- entire) ........ HERPESTIS. 16 



f Calyx 5-parted. Sterile fil. short or ........ GRATIOLA. 17 



f Calyx 5-parted. Sterile fil. exserted. ....... ILS-SANTHUB. 18 



f Calyx 4-lobed. Sterile fil. 0. Fis. minute ..... MICRANTH. 39 

 III. RHIXANTHIDE^E. (Corolla in bud imbricate, the lower or lateral lobes exterior.) 



TRIBE 7. SIBTHORPEJE. Stamens 2. Corolla 4-cleft ..................... AMPHIAXTHCB. 29 



Stamens 4. Corolla 5-cleft ........................ LQIOSEULA. 21 



TRIBE S. DIGITALS^. Stamens 2. Calyx 4-parted. Flowers small ......... SYNTHIEIS. 22 



Stamens 4. Calyx 5-parted. Flowers large ......... DIGITALIS. 28 



TRIBE 9. VEROSICE^E. Stamens divergent. Upper Ivs. often alternate ...... VERONICA. 24 



TRIBE 10. BPCHNERE^E. Stam. approximate by pairs. Upper Ivs. alternate.. BUCUNEEA. 25 

 TRIBE 11. GERARDIEJS. Stamens long-exserted. Corolla tubular ...... MACRAXTHERA. 26 



Stam. short. Cor. yellow, tube short as limb ...... SEYMERIA. 27 



Cor. yellow, tube elongated ......... DASYSTOMA. 28 



Cor. purple. Lvs. very slender ...... GERABDIA. 29 



TEJBE 12. EUPHRASIES. n Anther-cells unequal, separated .............. CASTILLEJA. 30 



n Anther-cells equal. Calyx 10-ribbed ......... SCHWALBEA. 81 



Calyx not ribbed ....... PEDICULARIS. 82 



o Cal. inflated. Sds. many, winged ........ BHINANTIIUS. 33 



o Cal. not infl. Sds. many, wingless ......... EUPIIRASIA. 84 



Sds, 1 to 4, oblong ........ MELAMPTBUM. 85 



1. SCHIZNA'THUS, Ruiz & Pavon. , (Gr. ox%<*> to cut, avdog ; the 

 cor. is much divided.) Corolla irregular, the upper lip 5-cleft, external 

 in aestivation, lower much smaller, 3-parted ; filaments 4, 2 of them 

 sterile; capsule 2-celled. (1) from Chili. Lvs. pinnatifid, alternate. 

 Cymes supra axillary. 



S. pinnatus Ruiz & Pavon. Lvs. 1 2-pinnately cleft; cor. tube shorter than the 

 calyx, middle segment of the posterior lip, 2-lobed, cucullate, lateral segment 

 falcate-spatulate, middle segment of the anterior lip emarginate, lateral 4-lobed; 

 sta. exserted. Plant 1 2f high, with delicate and beautiful flowers in clusters 

 opposite the leaves. Cal. and ped. viscid-pubescent. Cor. purple and yellow, 

 with a dark spot in the midst, f 



2. BROWAL'LIA, L. (Named for Bishop Browallius, a friend of 

 Linmeus, and defender of his system.) Corolla salver-form, with a long 

 tube, and oblique, 5-lobed limb ; anthers of the two posterior stamens 

 halved, sub-1 -celled ; lobes of the stigma broad, divaricate ; capsule 

 membranous, valves bifid. South American herbs, with alternate, en- 

 tire Ivs. and cyanic fls. 



1 B. dimissa L. Lvs. petiolate, ovate ; lower fls. axillary, upper in a raceme ; 

 calyx hairy. -St. 1 to 2f high, with spreading branches. Cor. tube slender, 6" 

 long, limb blue or violet, f Brazil, &c. (B. elata L. is the same.) 



2 B. grandiflora Grab. Upper Ivs. sessile, subcordate; fls. loosely ra- 

 cemed ; cal. teeth nearly as long as the tube. Cor. limb broader than in the 

 other, pale blue, f Peru, 



3. CALCEOLARIA, L. (Lat. calceolus, a slipper; alluding to the 

 shape of the corolla.) Calyx 4-parted, valvate in the bud; corolla 

 slightly adhering to the calyx, the tube very short, limb 2-lobed, lobes 



