328 
incisely lobed, 12 to 24 mm. long, with cuneate base and linear to oblong lobes: 
spikes short-peduncled or sessile, dense, at most oblong: limb of purple or bluish 
corolla 4 to 8 mm. broad.—Dry plains, southern and western Texas. 
9. V. bipinnatifida Nutt. Hispid-hirsute, 15 to 30 cm. high: leaves 3.5 to 10 em. 
long, bipinnately parted or 3-parted into more or less bipinnatifid divisions, the 
lobes commonly linear or broader: spikes elongated in age: bracts mostly surpass- 
ing the calyx: limb of bluish-purple or lilac corolla 8 to 10 mm. broad.—Plains and 
prairies throughout Texas. 
10. V. Aubletia L. Slender, 3 dm. high or less, soft-pubescent and glabrate: 
leaves 2.5 to 5 em. long, ovate or ovate-oblong in outline, with a wedge-shaped base, 
incisely lobed and toothed, often more deeply 3-cleft: spikes pedunculate, elongated 
in fruit: bracts shorter than or equaling the calyx: limb of reddish-purple or lilac 
(rarely white) corolla 12 to 16 mm. broad.—Open woods and prairies. Commonly 
cultivated and variously mixed. 
+ + Gland of anthers oval, as high and almost as large as one of the cells. 
ll. V. Wrightii Gray. Stem simple below, 6 dm. high; hispidulous-pubescent: 
leaves pinnately 3 to 7-parted or deeply cleft, contracted at base into a margined 
petiole, with lobes mostly lanceolate and acute: fruiting pedunculate spikes dense 
and oblong: corolla light purple.—Near the western borders of Texas, and also at 
Brazos Santiago (Nealley). 
3. LIPPIA Houst. 
Herbs or shrubs, with spikes or heads of small flowers, short often 
flattened 2 to 4-toothed or 2-lipped calyx inclosing the dry fruit which 
separates into 2 nutlets, 2-lipped corolla (upper lip notched, lower much 
larger and 3-lobed), included stamens, and slender style with obliquely 
capitate stigma. 
* Flowers in slender naked spikes, with small and narrow bracts: calyx about equally 
4-cleft, often densely hirsute, the tube not compressed: shrubs with foliage commonly 
sweet-aromatic. 
1. L. ligustrina Britton. Shrub 12 to 30dm. high, sometimes spinescent, minutely 
puberulent: leaves 6 to 24 mm. long, lanceolate-oblong, obtuse, scabrous above, pale 
beneath, veinless, small and entire on flowering branches, larger and incised or few- 
toothed on strong sterile shoots: spikes axillary, racemose-panicled, filiform: flowers 
white or tinged with violet, with fragrance of vanilla. (1. lycioides Steud.)—Com- 
mon on rocky slopes throughout Texas. ‘ Long sprays of white flowers exquisitely 
fragrant. Foliage eaten by cattle, sheep and goats.” (Havard.) 
2. L. Wrightii Gray. Shrub 6 to 12 dm. high, minutely canescent-tomentose: 
leaves 8 to 16 mm. long, orbicular-ovate, crenate, rugose, abruptly short-petioled: 
spikes short-peduncled, densely flowered: corolla white, with odor of sage.—Moun- 
tains of southwestern Texas. 
** Flowers capitate or in short and dense spikes, subtended and imbricated by broad bracts. 
+ Bracts decussately 4-ranked, keeled. 
3. L. graveolens HBK. Shrubby, 6 to 12 dm. high, cinereous with close pubes- 
cence: leaves ovate-oblong to oval, crenate-reticulate-rugose, hirsute-pubescent 
above, canescent beneath, petioled: umbellate peduncles 3 to 6 in each axil, shorter 
than the leaves: bracts thin, ovate, acute, silky, shorter than the yellowish-white 
corolla, (LZ. Berlandierit Torr., not Schauer,)—Texas, along and near the Rio Grande, 
++ Bracts several-ranked, concave or flatish : calyx more or less compressed and the sides 
keeled. 
++ More or less shrubby, erect: heads on short axillary peduncles. 
4. L. lantanoides. Pubescent leaves ovate or oblong, closely serrate, pinnately 
veined and with rugose-reticulated veinlets, minutely strigose above, canescently to- 
