428 SCROPHULARINEjE. 



5*. VERONICA, L. 



Calyx 4-5(-3)-partite. Corolla rotate : limb 4 (-5) -partite, slightly unequal : lateral 

 segments exterior in the bud. Stamens 2, exserted, alternating with the upper corolla-lobe. 

 Stigma blunt. Capsule loculicide, rarely septicide. — Leaves mostly, or inferior only op- 

 posite : inflorescence racemose or axillary. 



6*. V. serpyllifolia, L. Perennial, nearly glabrons (or pubescent) ; branches ascend- 

 ing ; leaves ovate-oblong, crenulate, lowest ovate-roundish, floral ones lanceolate, entire ; 

 raceme terminal, lax ; calyx 4-partite ; capsule compressed, roundish, broader than long, 

 bluntly emarginate. — Fl. Dan. t. 492. — Branches l"-4" long ; corolla whitish or pale-blue. 

 — Hab. Naturalized in the mountains of Jamaica (Berter.) ; [a weed of both temperate and 

 cold zones]. 



6. BUCHNERA, L. 



Calyx tubular, 5 -dentate. Corolla salver-shaped: limb 5-partite, nearly equal : upper 

 lobes interior iu the bud. Stamens didynamous, approximate iu pairs, included : anthers 

 1-celled. Stigma blunt. Capsule loculicide. — Herbs, black in drying, slender; inferior 

 leaves opposite ; flowers in a terminal spike. 



7. B. elongata, Su>. Annual, hispidulous-scabrous, simple or few-branched ; leaves 

 distant, lanceolate or linear, lowest broader, oblong or obovate-oblong, few-serrulate or 

 entire: veins delicate; spike interrupted; calyx half as long as the narrow corolla-tube, 

 thrice as long as the ovate bract : teeth ovate-deltoid ; capsule ovate, sliort/y exserttd. — 

 Plum. Ed. Barm. t. 17.— V-2' high ; corolla purplish-blue : tube 4"'-5'", capsule 3'" long. 

 — Hab. Jamaica!, all coll., in savaunahs, Clarendon, S. Anus ; [Haiti ! ; Georgia, Texas ! 

 and Mexico ! to Brazil!]. 



8. B. longifolia, Kth. Annual, hispidulous-scabrous, simple or few-branched ; leaves 

 linear, quite entire, %-nerved: lateral nerves thick, prominent beneath; spike interrupted; 

 calyx about half as long as the narrow corolla-tube, 4-3 times as long as the ovate bract : 

 teeth ovate-deltoid ; capsule ovoid, included within the calyx. — B. elongata, PI. Spruce. 

 3255. — Leaves equal, inferior narrower than in the preceding ; corolla blue : tube 4'", cap- 

 sule 2'" long. — Hab. Trinidad !, Cr., in savannahs, S. Joseph, Piarco ; [Venezuela !, New 

 Granada]. 



7. GERARDIA, L. 



Calyx campanulate, 5-dentate or 5-fid. Corolla campanulate -infundibular : lobes 5, 

 unequal, two upper ones interior in the bud. Stamens didynamous, included, hairy : anthers 

 approximate in pairs, 2-celled. Stigma flattened-blunt. Capsule loculicide. — Scabrous- 

 pubescent herbs ; inferior leaves opposite ; flowers in a terminal raceme or spike. 



9. G. hispidula, Mart. Annual, very scabrous-hispidulous ; leaves linear, quite entire, 

 all opposite ; raceme very lax : pedicels filiform., much longer than the flower, 2-1-bracteo- 

 late about the middle ; calyx about half as long as the infundibular nearly glabrous 

 corolla-tube: teeth shortly subulate; capsule ovoid-globose, included. — Mart. Nov. Gen. 3. 

 t. 207.— l'-li' high, slender; leaves V'-2", corolla 6"'-8'" long, rosy.— Hab. Jamaica!, 

 Wullsch., Manchester, Lititz- Savannah ; [Guiana, Brazil]. 



8. ALECTRA, Thunb. 



Calyx campanulate, 5-dentate or 5-fid : lobes valvate. Corolla connivent-campanulate 

 or subglobose, reticulated : limb 5-fid, oblique : two upper lobes exterior in the bud. 

 Stamens didynamous, included: anthers 2-celled. Style incurved : stigma flattened-blunt. 

 Capsule loculicide. — Annual, erect, scabrous herbs, parasitical on roots, (like the two pre- 

 ceding genera) ; stem-leaves opposite, toothed; flowers in a terminal spiciform raceme. 



10. A. brasilieusis, Benth. Hispid ; leaves subsessile, acuminate from the subcor- 

 date base, serrate deutate ; raceme leafy ; calyx subglobose, broadly 5-dentate ; corolla yellow, 

 included or shortly exserted. — Veil. Fl. Flum. 6. /. 87. — 1'-3' high, simple or few- 

 branched, variable in the raceme, either continuous or transformed into shortly pedicellate, 



