438 XCVIL POLEMONIACE. PuLox. 
4. PHACELIA. 
Gr. gaxeXos, a bundle or fascicle ; alluding to the fasciculate racemes. 
Calyx 5 parted ; cor. tubular-campanulate, caducous, 5-lobed, tube 
within furnished with 5 melliferous grooves; sta. 5, mostly exserted ; 
ova. 1-celled, hispid; sty. bifid; caps. ovoid, 2-valved, valves placen- 
tiferous in the middle; seeds 4.—American herbs, hispid, with alter- 
nate lvs., and loose or dense, one-sided racemes. 
P. BIPINNATIFIDA. Michx. 
Hairy, suberect; vs. incisely pinnatifid, long-petiolate, lateral segments 
2—4, incisely lobed and toothed, terminal trifid; rac. elongated, bifid or sub- 
paniculate; cor. lobes entire, twice longer than the ealyx, shorter than the 
stamens.—2| or @) Woods and hill sides, Penn. to Ohio! and Ia.! Plant 
sometimes nearly smooth, 1—2f high, bearing several leafless racemes at top. 
Leaves 3—6’ long, including the petiole. Corolla 6” broad, blue, the grooves 
bordered with narrow, pubescent margins. May, Jn. 
8. Plummeri. St. ferruginous-hirsute ; fls. much smaller; cor. scarcely longer 
than the calyx.—Richmond, Ia. Plummer ! 
Orpvper XCVI. POLEMONIACEA.—Patoxworts. 
Herbs, with opposite, occasionally alternate, compound or simple leaves. 
Cal. 5 united sepals, inferior, persistent, sometimes irregular. ie 
Cor. 5 united petals, regular, the lobes imbricate or twisted in estivation. 
Sta. 5, inserted into the midst of the corolla tube and alternate with its lobes. 
Ova. 3-celled, free. Styles united intol. Stigma 1. f 
Caps. 3-celled, 3-valved, loculicidal, valves also separating from the 3-cornered axis. 
Sds. few or many. Albumen homy. Embryo foliaceous. 
= 17, species 104, chiefly North American. They are valued only in cultivation as ornamental 
plants. 
Conspectus of the Genera. 
h rateriform. Phlox. 1 
: infundibuliform. Gilia. 2 
Corolla (campanulate.~ Polemonium. 3 
3.2 FLT. 
G7. $)o, aflame ; from the color and profusion of the flowers. 
Calyx prismatic, deeply 5-cleft ; corolla hypocrateriform, the tu 
more or less curved; stamens very unequal, inserted in the tube of 
the corolla above the middle; capsule 3-celled, cells 1-seeded._—A 
highly ornamental, North American genus. Lws. mostly opposite, sessile, 
simple, entire. Fils. in terminal corymbs or panicles. 
1. P. panicuLatTa. Panicled Phlox or Lychnidea. 
St. glabrous. erect; lvs. glabrous, oblong or ovate-lanceolate, acuminate 
at each end, rough-edged, flat; corymbs paniculate, subpyramidal, many-flow- 
ered ; cal. teeth setaceous-acuminate, shorter than the tube; pef. roundish, obovate, 
entire.—2| This well-known favorite of gardens is found native in woods and on 
river banks, Western States! to Penn. and Car. It flourishes in rich, moist 
soil, or in leaf-mould or peat. Stem 2—3f high, ending in a large, oblong- 
pyramidal panicle of innumerable pink-colored, scentless flowers. Leaves 3— 
5’ by 9—16”, lower ones distinctly petioled, the highest sometimes subcordate 
at base. July—Sept. f 
2. P. acuminata. Ph. Acuminate Lychnidea. 
St. erect, paniculate, branching above; dvs. oblong or ovate-lanceolate, 
acuminate, the upper ones subcordate at base, all pubescent beneath, as well as 
~ the stem; panicle pyramidal-corymbose, many-flowered; cal. teeth briefly seta- 
ceous-acuminate.—2| This species, whose numerous varieties are common in 
gardens, is a native of Mo., Ky. and Ill. Although distinguishable at sight 
from P. paniculata, being stouter and rougher, its chief technical distinction is 
its pubescence and shorter calyx teeth. Petals rounded at the end, light purple, 
varying to deep purple and red. June—<Aug. t : 
