Phlox. 775 
ovate, obtuse, crenulate lobes; anthers cordate-ovate, nearly sessile 
a little below throat; scales hippocrepidiform, denticulate; style as 
long as the nearly globular, 2-lobed stigma, much shorter than the 
globular-ovate ovary; capsule 8 mm long, 5 mm broad, ovate, capped 
by marcescent corolla. — Flow. March to April. 
N. v. Gizi near Cairo on Citrus. 
Also known from Arabia Petraea and Palestine. 
92. Polemoniaceae. 
Annual or usually perennial herbs or shrubby plants. Leaves 
alternate or opposite, often crowded; blades entire or pinnately 
compound. Inflorescence paniculate, corymbose sometimes clustered. 
Flowers perfect, regular or nearly so. Calyx of 5 partially united 
sepals. Corolla regular: limb five-lobed: lobes convolute in aestivation. 
Androecium of 5 often unequal stamens adnate to the corolla-tube. 
Anthers opening lengthwise and introrsely. Gynoecium of a single 
carpel. Ovary 3-celled with a thick axis. Styles united. Stigmas 3. 
Ovules solitary, erect anatropous or several in two series, ascending, 
amphitropous. Fruit a 3-celled loculicidal capsule; valves usually 
separating from the central axis to which the seeds are attached. 
Seeds solitary or several in each cavity, with a spongy or mucilaginous 
testa. Endosperm fleshy or horny. Embryo straight, axile. 
A family widely spread throughout the most countries of the World. 
439. Phlox Linn. 
Annual or usually perennial, sometimes shrubby herbs, with 
erect or diffuse and creeping stems. Leaves opposite, or sometimes 
alternate above; blades entire. Flowers in terminal corymbose or 
panicled cymes. Calyx pedicelled; tube narrow, 5-ribbed; lobes 5, 
often tooth-like. Corolla white, blue, purple or red, salverform; 
tube slender; lobes spreading, obovate to orbicular, or obcordate. 
Stamens 5, included. Filaments unequally adnate to the corolla- 
tube. Ovules 1—5 in each cavity. Capsule included in the calyx- 
tube which it ruptures at maturity. Seeds sometimes narrowly 
winged, not emitting spiral threads’ when wetted. 
A small genus of 48 species, mostly of Northern America, 
1085. Phlox paniculata L. Spec. Plant. I (1753), p.151. — 
Brand Polemoniaceae in Engler, Das Pflanzenreich IV, fasc. 250 
(1907), p.59. — Benth. in DC. Prodrom. IX, p.303. — Phlox 
undulata Lam. Illustr. I, p.481. — Aschers.-Schweinf. Illustr. Flor. 
d’Eg., p. 106. — Phlox acuminata Pursh Flor. Americ. Septent. I, 
