THE DICOTYLEDONS 
593 
UnorriciAL Druc Part Usep + BoranicaA ORIGIN HABITAT 
Symphytum Root Symphytum officinale Europe and 
(Comfrey) United States 
Cynoglossum Herb and root Cynoglossum United States 
(Hound’s tongue) officinale 
Alkanet Root Alkanna tinctoria So. Europe and 
Asia 
Lungwort Leaf Pulmonaria officinalis Europe 
VERBENACE& OR VERVAIN FamiLy.—Herbs, as the Vervains 
(Verbena), shrubs, as the Glory-bower Cana, rarely trees, 
as Premma arborea, one of the 
sources of the drug Tonga, and 
Tectona or Teakwood, whose | 
stems and branches are usually 
quadrangular and rarely scented. 
Leaves generally opposite, ex- : 
stipulate, simple or compound. 
Inflorescence a terminal panicle 
of spikes (Verbena hastata), acyme 
(Beauty-berry or Callicarpa) or 
head (Lippia lanceolata). Flowers 
white, pink or blue (Verbena 
hastata), irregular, more or less 
2-lipped; calyx gamosepalous, 
tubular; corolla gamopetalous, 
hypogynous with a 4-5 fid limb; 
stamens generally 4, didynamous 
and inserted on the corolla tube 
or throat; pistil of 2-4 carpels, a 
terminal style and undivided 
stigma. Fruit a drupe or 2 to 
into as many nutlets. 
Part Usep 
Overground portion 
Bark 
UnorrIiciAL Druc 
Verbena 
Tonga 
ferrreer 
: 
Fic. 451, —The Blue ed Ver- 
Note the lanceolate leaves 
with serrate margins and the flowers 
which are usually blue, and arranged in 
bena hastata. 
panicles of narrow spikes. (Reproduced 
from U. S. Dept. Agric. Misc. Publ. 77.) 
4 celled berry, usually splitting 
Seeds exalbuminous. 
BoTANICAL ORIGIN HABITAT 
Verbena hastata United States 
Premna arborea Fiji Islands 
(in part) 
Lapiat# (LAMIACE2) OR Mint Famity. —Herbs producing 
creeping runners that spread out and root at the nodes. 
Stems 
