462 
BOTA^nr. 
POLEMONIACE^. 
Drawn tip chiefly from the recent "Revision of the North American Polemoniaceje" by Dr. Gray, in 
Proc. Amer. Acad, Vol. VIII., pp. 247-282, (1870.) Mexican and S. American species omitted. 
I. Stamens unequally inserted. 
1. PHLOX. Corolla salverform. Filaments short, included. Ovnles 1-5 in each cell. Seeds un- 
changed when wetted, the simple integnment adherent to the albumen.— Leaves entire, at least the lower 
ones opposite. 
2. COLLOMIA. Corolla salverfonn or fiumelforni. Filaments slender, usually exserted. Ovules 
solitary, or few-many in each cell. Seeds mucilaginous when moistened and giving out spiricles.— 
Leaves all or mostly alternate, usually pinuately parted or incised. 
XL Stamens equally inserted. Seeds mostly giving out spiricles or mucilaginous when wetted. 
3. GILtA. Corolla varying from salverform to subrotate. Filaments not declinate and without 
appendages. — Leaves various. 
4. POLEMONIUM. Corolla varying from funnelform to rotate. Filaments slender, more or less 
declinate, hairy-appendaged at base.— Leaves alternate, pinnately divided. 
PHLOX. 
^ 1. Broad-leaved perennials ; ovules solitary. Eastern species. 
• Flowers on very short pedicels in compact cymelets forming a many-flowered panicle or thyrse ; 
stem tall, strict ; corolla-lobes entire. " ' 
1. P. PANicuLATA, L. From Pennsylvania to Illinois, and southward to Georgia and Arkansas. 
2. P. MACULATA, L. From Pennsylvania to Michigan, and south to Florida, Mississippi and 
Arkansas. 
* * Cymelets corymbed or occasionally simple ; stems erect or spreading ; coroUa-lobes broad entire 
or obcordate. ' 
(a.) Glabrous and shining, the corymb or stem rarely scabrous-pubcrulent; calyx-lobes broad- 
corolla-lobes rounded, entire. ' 
3. P. OVATA, L. Stems ascending from a decumbent or creeping base ; leaves ovate, occasionally 
oblong-lanceolate, or the uppermost subcordate, the lowest narrowed to a petiole,- calyx-teeth short- 
ovate or broad-lanceolate, acute.-Along the Alloghanies from Alabama to Pennsylvania. 
4. P. GLABEKRIMA, L. Stems slender, erect; leaves linear- or occasionally oblong-lanceolate or the 
uppermost narrowly ovate-lanceolate, on the upper part of the stem gradually narrowed from the base 
acuminate, nearly nerveless, subrcvolute on the margin, the upper surface glossv ; calyx-teeth triangu- 
lar- or lanceolate-subulate, very acute.— From Ohio and Wisconsin to Florida and Louisiana. 
(&.) Pilose or glandular ; teeth of the more or less hairy and usually viscid calyx elongated and nar- 
row ; corolla-lobes sometimes retuse or obcordate. 
(1.) Without stolons. 
5. P. FLommxA, Benth. Strict, 2° high, a little hairy or nearly glabrous ; leaves linear- or obloncr. 
lanceolate, rather rigid ; top of the stem and corymb glandular ; teeth of the glandular calyx lanceolate- 
setaceous ; corolla-lobes obovate, entire.— Florida. 
6. P. PiLOSA, L. Villous, pilose, or pubescent, sometimes glabrate ; stem erect, slender, 1-2° hieh • 
eaws lanceolate and linear; corymb at length open; calyx rough-villous or subviscid-pubescent, the 
teeth subulate-setaceous, elongated or very slender, sometimes with an awnlike apex; corolla-lobes obo- 
vate, entire.-I rom ?sew Jersey to the Saskatchewan, and sonth to Florida and W Texas 
J\.f 'T'''' ^'""f ■ ^fZ^""'^ '"'^I' "^"^•^ ^-^"""^ ascending, simple, 
6-15 high; eaves suberect, oblong or lanceolate or linear-lanceolate, acutish or obtnse, the highes 
vTrSa t ' ^^^-'^^ -ned.-Kenttcky 
(2.) Somewhat stoloniferous ; leaves broad, rather short. 
8 P. JDiVAKiCATA, L. Corolla-lobes obcordate or cuneate, emarginate, or sometimes (Var. Laphamii 
1 '° ArkanrsTnd 
