VERBENA 



oval clusters; resembles No. 1, but has more upright 

 habit, softer pubescence and larger, longer-pointed, 

 distinctly petioled Ivs.: sts. ascending: branches rather 

 erect, much subdivided, angled, retrorsely hirsute: 

 Ivs. oblong or lanceolate-triangular, acute, base entire, 

 cuneately long-attenuate into the evident petiole, 

 unequally subincised serrate, somewhat venosely rugose, 

 strigose above, below hairy or strigillose pubescent: 

 spikes terminal, pedunculate, many-fld., oval to oblong: 

 bracts short-ovate to subulate-lanceolate: calyx twice 

 as long as bracts, covered with short pubescence inter- 

 spersed with short capitate glandular hairs. S. Brazil 

 and Uruguay. B.M. 3541. P.M. 4:5. B. 2:60. 



DD. Fl.-clusters flat or convex: Zi's. more deeply and 



sharply cut. 



3. incisa, Hook. Fig. 3910. Rosy or purple-fld. 

 species with Ivs. more deeply cut than in the two pre- 

 ceding: whole plant hairy-pubescent; sts. ascending; 



VERBENA 



3445 



pinkish, long exserted, twisting in age, fragrant. S. 

 Brazil, Uruguay, Argentina, Chile, and Peru. P.M. 

 5:243. B.M. 3694. 



BB. Clusters panided. 



5. vendsa, GUI. & Hook. Differs from all other cult, 

 kinds by panicled infl. and tuberous roots: herbaceous 

 perennial, 1 ft. high: sts. simple, rhizomatic, creeping 

 at base, ascending, 4-angled, hairy: Ivs. rigid, oblong 

 to oblong-lanceolate, the subcuneate base entire and 

 half-clasping, acute at apex, unequally subincisely 

 dentate, the teeth openly acuminate, nerves prominent, 

 hirsute below: spikes hi a close terminal panicle, sub- 

 ternate, lateral ones pedunculate, fastigiate and finally 

 cylindrical: bracts subulate, ciliate, often purplish, 

 exceeding the hairy calyx: corolla lilac or bluish purple 

 to nearly sky-blue, very thinly villous without; tubes 

 slender, thrice as long as calyx: fr. 1 line long, copiously 

 fuscous outside, dorsal ridges 5. S. Brazil and Argentina. 



3910. Four prototypes of the garden verbenas, drawn from early colored plates. From left to right : V. chamsedryf olia, supposed 

 chief parent of the reds; V. phlogiflora and V. incisa, the originals of the rosy and purple colors; and (right) V. teucrioides, a white 

 flower which is probably chiefly, if not wholly, responsible for the fragrance of the hybrid verbenas. 



branches erect: Ivs. oblong-triangular, base cuneately 

 truncate or subcordately attenuate into the evident 

 petiole, pinnatifid lobed or deeply serrated and incised, 

 upper Ivs. sublanceolate, sessile, incisely pinnatifid: 

 spikes terminal, pedunculate, subternate," flat or con- 

 vex: bracts ovate: calyx 4 times as long as bracts, short- 

 hairy, sprinkled with glandular hairs; corolla-tube 

 glandular-pubescent, thrice as long as calyx; limb 

 large, rose-purple, paler beneath, obovate lobes deeply 

 emarginate. S. Brazil, Paraguay, and N. Argentina. 

 B.M. 3628. 



ccc. Fls. white. 



4. teucrioides, Gill. & Hook. Fig. 3910. Character- 

 ized by fragrant white fls. in very long clusters: sts. 

 cespitose, rooting at base, ascending, terete, openly 

 and copiously hirsute: Ivs. ovate to oblong-triangular, 

 base entire, sessile or nearly so, obtusely serrate, mar- 

 gins revolute, veiny-rugose, glandular-pubescent above, 

 subtomentosely hispidulous on veins below: spikes 

 terminal, solitary, glandular, hairy, lax, 5-9 in. long: 

 bracts subulate-lanceolate, ciliate: calyx nerved, 

 twice as long as bracts; corolla yellowish white or 



B.M. 3127. Tubers may be kept indoors over whiter, 

 or species prop, by seeds sown in greenhouse hi Jan. 



AA. Connective of the upper anthers furnished with a 



glandular appendage. 



B. Fls. violet or rosy purple. 



c. Bracts half as long as calyx: plant a subshrub. 



6. tenera, Spreng. (V. pulchella, Sw., not Hort.). 

 Herbaceous perennial: sts. cespitose, decumbent, 

 rooting: branches slender, 4-angled, ascending, sparsely 

 hairy: lys. decurrent into the short petiole, 3-parted 

 and again pinnatifid into acute, linear, entire, subrevo- 

 lute divisions, sprinkled with short hairs: spikes ter- 

 minal pedunculate: calyx elongated, strigose pubescent 

 or hairy, sprinkled at angles with short stipitate patella- 

 form glands, twice as long as bracts; corolla rose-violet; 

 anther appendages barely exserted, claviculate, subre- 

 curved. S. Brazil and LaPlata region. Var. Maonettii, 

 Hort., by some supposed to be a hybrid between V. 

 tenera and V. incisa and by others to be a form of V. 

 tenera, has rosy pink or carmine fls. rayed with white- 

 margined corolla-lobes. Intro, from Italy and some- 



