236 ORDER 90. VERB EN ACE ^E. 



4 V. VEN03A. Nearly simple, with rigid, ot long-sessile, cut-serrate leaves ; bracts sub 



ulatc, longer than the calyx, both colored ; corolla lilac to blue, u Brazil. 



5 V. CHAM^EDRIFOLIA. Leaves oblong-ovale, short-petiolate ; bracts subulate, not half 



the length of the long calyx ; corollas scarlet to crimson, 2[ Buenos Ayres. 



6 V. PHLOGIFLORA. With many erect branches, and long-petioled, lance-deltoid .eaves ; 



bracts lanceolate, half as long as the calyx. Flowers large, red to blue. 



7 V. TEUCRIOIDES has very hairy, wrinkled, ovate-triangular, crenate leaves on short 



stalks, with large white to roseate sweet-scented flowers. 7f Brazil. 



8 V. aiigustifolia MX. Leaves oblong-linear, tapering to base, serrate, with fur- 



rowed veins ; spikes 1 oj- few, slender ; corolla deep-blue, bracts as long as the calyx 

 (1"). U Rocks and hills, N. Y. to Va., and W. If. Leaves 23'. July. 



9 \. Caroliiiiana L. Leaves oblong-obovate to oblong, crenate-toothed, sessile; 



spike loose ; corolla large, roseate, bracts minute, it Dry soils, S. 1 2f. June. 



10 V. Iiastitta L. Common Vervain. Lvs. lanceolate, acuminate, cut-serrate, petio- 

 late, the lower lobed or hastate ; spikes panicled, dense, slender, erect and parallel ; 

 flowers blue. "U Waysides : common. 3 6f. Europe. July September. Hy 

 brids occur, with cleft leaves and loose-flowered spikes. 



1 1 V. u rtioie folia L. Leaves ovate to lance-ovate, serrate, acute, petiolate ; spikes 

 axillary and terminal, filiform, lax ; bracts shorter than the calyx, u A homely weed, 

 in waste grounds. 3f. Flowers minute, white. Europe. July, August. 



12 V. stricta Vent. Mullein V. Hairy and hoary, rigidly erect ; leaves oval to ob- 

 vate. unequally dentate, sessile, rugous ; spikes dense, y. Dry fields, W. 1 3f. 

 Very leafy, rather handsome. Corolla blue, 4" broad. July. 



1 3 V. bracteosa MX. Hairy, divaricately branched, leaves laciniate ; bracts lance- 

 linear, squarrous on the peduncle and spikes, longer than the small blue flowers, y. 

 Dry fields, roadsides, N. Y., W. and S. 816'. June September. (V. canescens.) 



14V. offlcinalis L. Smoothish, erect; leaves lanceolate to oblong, pinnately lobed 

 or toothed, subsessile ; spikes slender, panicled ; bracts not longer than the calyx ; 

 flowers purple, small. ii Waysides, Conn, to Ga. 2 3f. (V. spuria L.) 



1 5 V. strigosa Hook. Hoary, rough-downy, rigid ; leaves oblong, 3-parted, incised, 

 sessile ; spikes strict, lax-flowered bracts long as calyx ; corolla large. N. Orl. 2 3f. 



2. IiIPFIA, L. FOG-FRUIT. Gal. 2-parted. Cor. funnel-shaped, limb 

 sublabinte, upper limb entire or emarginate, lower 3-lobed. Sta. didyna- 

 mous, included. Drupe dry, thin, enclosed in the calyx, 2-seeded. J> Ii 

 Leaves opposite or whorled. Flowers small, whitish, in heads or spikes. 



1 Li. uodiflora MX. St. 4-angled, geniculatc, simple, creeping; Ivs. lanceolate to ob- 



lanccolate, cuneate at base, petiolate. shorter than the ped. Banks, Pa. to 111., and S. 



2 It* (ALOYSIA) CITKIODORA. Lemon V-n-bena. Shrub smooth; leaves in 3' s, lance-lin- 



ear, punctate beneath, straight-veined, delightfully fragrant. 3f. 



3. PHRYMA, L. LOP-SKED. Gal. cylindric, bilabiate, upper lip longer, 

 3-cleft, lower lip 2-loothed. Corolla bilabiate, upper lip emarginate, much 

 smaller than the o-lobed lower one. Stamens included. Fruit dry, oblong, 

 striate, 1 -celled. 1 -seeded. 2 IVith opposite leaves. Flowers opposite, 

 j-picate, dellexed in fruit. 



I*. Icpto^tacliya L. Rocky woods. 2 3f. Leaves large (36'), thin, coarsely- 

 toothed ; flowers small, light-purple, in very slender spikes. July. 



4. OALLICARPA. L. FRENCH MULBERRY. Calyx 4- toothed, bell- 

 shaped. Corolla short-bell-shapc d, limb of 4 obtuse segments. Sta. 4, un- 

 equal, exserted. Stig. capitate, 2-lobed. Drupe juicy, enclosing 4 nutlets. 

 +) V'ith opposite leaves and axillary cymes. 



