346 LABIATAE. [ Haplostachys. 
diffused over all temperate regions. Whorls 2- or many-flowered, approxi- 
mate in terminal racemes or spikes. 
v1. S. arvensis, Z. — DC. Prod. XU, 477. — An annual, about 6° 
high, the decumbent stems hairy. Leaves petiolate, ovate, '/2—1’ long, 
obtuse, crenate, cordate, hispid on both faces. Floral leaves gradually 
decreasing, the uppermost bract-like, shorter than the calyx. Whorls 
—6-flowered, distant. Calyx 3”, Sian dectiitats and slightly incurved, 
deeply and sharply 5-toothed. Corolla reddish, pubescent, short, wit 
the tube included and the short lips nearly equal. 
A weed, not uncommon in gardens and cultivated fields. A native of Europe and 
Asia, bet now spread over many countries temperate and tropical. 
. HAPLOSTACHYS, gen. nov. 
Calyx cylindrical, 5-toothed, closed at maturity. Tube of corolla nearly 
crisp margin, all of nearly equal size. Stamens as in Phyllostegia. Style 
included, subentire, clavately dilating and flattened near the apex, Omar: 
gose lea 
subsessile in a simple terminal spike, the Ae 2- flowered. 
Corollas purplish- white or cream-colored. — Phyllostegia, sect. Haplosta- 
chya, Gray, in Proc. Am. Ac. V, 342. 
A calyx closed at maturity, nearly equal and crisp lobes of the corolla, and dry cohering 
nucules may be considered sufficient grounds for separating the following species as 
- 
genus from the otherwise nearly related Phyllostegia, oo all known species of which 
they are also distinguished at first sight by their hab 
Leayv 
Calycine teeth acu _ : ‘ ; ‘ ; : , ; 1... 
Calycine teeth coral A ; ‘ : : ; : ; : 22 H. 
Leaves linear é 8... 
Grayanda. 
sah inifolia. 
1, H. iia: Hillebr. — Erect, 1—2 ft. high, the branches or stems 
ar, hoary- cgi mes Leaves rather fleshy, rugose, cordate-oblong 
or lanceolate, 3—4‘ < 1—2', on petioles of 1—2’, bluntly acuminate, 
coarsely ne the basal lobes rounded, both faces covered with a thick 
velvety tomentum. Flowers in a terminal spike of often 12‘ in length, 
single and subsessile in the axils of lanceolate to linear bracts of 6—2" 
in length, patent at first, secund and deflected when with fruit, the lowest 
distant. Calyx coriaceous, tomentose, 3—5” long, the narrow acute 
lowest. Corolla pubescent, white, with purplish tinge, the tube about 
Filaments pubescent. Style puberulous or ate Nucules large, closely 
