ORDER LXXXII. HYDKOPHYLLACE^E WATERLEAF-FAM. ORDER LXXXIII. POLEMONIACE^E PHLOX-TRIBE. 185 



1. M. laxa. 



Forget-me-not. 



Nearly smooth ; stem ascending, rooting near the base, somewhat branch- 

 .ng; leaves linear-oblong, obtuse, clothed with short, scattered, appressed hairs ; 

 flowers small, arranged in long, bractless, 1-sided racemes ; pedicels filiform, 

 longer than the flowers, spreading in fruit; calyx in 5 short, spreading segments, 

 open in fruit, and sprinkled with simple, appressed hairs; corolla light-blue, 

 yellowish at the centre ; stylo very short A common plant in wet grounds, 

 6' 12' high. June Sep. Blen. 



2. M. stricta. Mouse-ear. 



Hairy ; stem low, erect, very branching above ; leaves oblong, obtuse, ses- 

 sile ; lowest oblanceolate, tapering to a short petiole ; flowers in terminal ra- 

 cemes, which are leafy at base, at first very short, but afterwards elongated ; 

 pedicels erect in fruit, shorter than the calyx ; corolla very small, white, rarely 

 bluish; tube included in the calyx, which is closed in fruit, and clothed with 

 spreading hairs. A little plant, 3' 10' high, of a grayish aspect, quite variable 

 in size and appearance. Common in dry soils in the more northern States. 

 May July. An. 



1. ECHINOSP^RMUM. 



Calyx 5-parted. Corolla salver-form, short, closed at the 

 throat by 5 short, concave scales. Achenia compressed or trian- 

 gular, armed on the back with several rows of barbed prickles. 

 An. 



1. E. Lappula. 



Burr-seed. 



Eongh-hairy ; stem erect, very branching above ; leaves lanceolate, or 

 linear-lanceolate, sessile, ciliate; flowers small, blue, in bracted racemes; pe- 

 dicels short, erect ; corolla longer than the calyx ; achenia with 2 rows of hooked 

 prickles on the margin. A grayish, homely herb, 1 2 ft. high, common in waste 

 places in some districts. July. 



8. CTNOGL6SSUM. 



Calyx 5-parted. Corolla funnel-form, with a short tube, about 

 as long as the calyx, closed at the throat by 5 converging, con- 

 vex, obtuse scales. Achenia depressed, affixed laterally to the 

 base of the style, covered with short, hooked prickles. 



1. C. officinale. 



Hounds-tongue. 



Whole plant clothed with a soft, silky pubescence ; stem erect, simple, or 

 somewhat branching, leafy ; leaves lanceolate, acute ; lower ones tapering to a 

 winged petiole ; upper ones clasping with a rounded base ; all entire ; flowers 

 rather large, in nearly bractless racemes, arranged in terminal panicles; corolla 

 dull red or purplish. A common weed, distinguished by its dull green, homely 

 appearance, and its extremely disgusting odor. Stem 1 2ft, high. Road-sides 

 and waste places. July. Per. 



2. C. Morrisoni. Virginian Mouse-ear. 



Hairy ; stem erect, very branching above, leafy ; leaves oblong-ovate, acu- 

 minate, tapering at base, remote, entire, thin, rough above ; flowers very small, 

 In leafy, bracleate, divaricately forking racemes at the extremities of the slen- 

 der, spreading branches ; pedicels nodding in fruit ; corolla minute, white, rarely 

 tinged with blue ; achenia convex, densely clothed with hooked prickles. A 

 hairy weed, common ri thickets and rocky places. Stem 2 i ft. high. July. 

 An. 



OEDER LXXXII. Hydrophyllacese. 



Waterleaf -family. 



1. HYDROPIIYLLTTM. 



Calyx 5-parted. Corolla campanulate, 5-parted, with 5 longi- 

 tudinal, linear, margined appendages on the inside correspond- 

 ing to the lobes, and forming 5, nectariferous grooves. Stamens 

 exsert. Filaments more or less bearded. Ovary clothed with 

 bristles, spherical, 2-celled, 2-valved, 4-ovuled, in fruit usually 

 ripening but 1 seed. Per. 



1. H. Virginicum. Burr flower. Virginian 

 Water-leaf. 



Smoothish ; stem erect, mostly simple ; leaves pinnately parted into 57 seg- 

 ments, which are oval-lanceolate or oblong, acuminate, incisely serrate ; lowest 

 usually 2-lobed ; uppermost confluent; petioles long and clasping; flowers in 

 dense beads; peduncles as long as the petioles; calyx-teoth narrow-linear, cili- 



24 



ate with long bristles ; corolla pale blue, sometimes whitish ; stamens and style 

 exsert, twice as long as the corolla. An elegant herb, 8' 15' high, common in 

 rich, moist woods in N. and W. N. Eng. and N. York, June. 



1. H. Canadense. Canadian Water-leaf. 



Nearly smooth; stem erect; leaves large, paltnately 5 7-lobed, rounded or 

 cordate at base, unequally toothed, somewhat rough ; flowers in dense heads on 

 forked peduncles, much shorter than the petioles ; pedicels very short ; calyx- 

 teeth linear-subulate, nearly smooth ; corolla white, much tinged with purple; 

 stamens and style much exsert. A less elegant and coarser species than the 

 last, 10' 15' high, common in rich, moist woods, in the same districts as the 

 last June July. 



ORDER LXXXIII. Polemoniacese. Phlox- 

 tribe. 



1. PHLtfX. 



Calyx somewhat prismatic, deeply 5-cleft. Corolla salver- 

 form, with the slender tube more or less curved. Stamens very 

 unequal, inserted in the corolla-tube above the middle. Capsule 

 ovoid, 3-celled; cells 1-seeded. Per. except No. 4. 



1. P. paniculata. Phlox. Flora's Bouquet. 



Smooth ; stem erect, tall ; leaves oblong-lanceolate, or oval-lanceolate, acu- 

 minate, tapering at base; upper ones sometimes cordate at base; flowers in 

 numerous corymbs arranged in a terminal, very showy, somewhat pyramidal 

 panicle; calyx-teeth tipped with a setaceous point, shorter than the tube; cor- 

 olla purple, pink, red, or even white, scentless; lobes entire. A native of Penu., 

 and thence southward and westward. Very common in gardens. VAR. ACU- 

 MINATA differs in having broader leaves, which are sometimes downy beneath, 

 and the stem sometimes rough-hairy, and is altogether a smoother plant. Stem 

 23 ft, high. July Sep. 



2. P. maculata. 



Spotted Phlox. 



Mostly smooth ; stem erect, slender, simple, spotted with purple ; lower 

 leaves lanceolate ; upper leaves nearly ovate-lanceolate, rounded or cordate at 

 base ; flowers in large, elongated, oblong, terminal panicles, which are leafy 

 below and sometimes nearly pyramidal; calyx-teeth triangular-lanceolate, 

 acute, short; corolla purple, varying to white or scarlet; lobes entire. A beau- 

 tiful southern and western species, 2 3 ft. high, very common in gardens. 



June. 



3. P. divaricata. 



Early Phlox. 



Low, diffuse, covered with minute down ; stems branching at base into a 

 few, weak, ascending flowering-branches ; leaves oblong-lanceolate, ovate-lan- 

 ceolate, or lanceolate, acute ; lower ones tapering at base ; upper ones broad 

 and clasping at base; floral leaves narrow-linear; flowers in terminal, loose 

 corymbs ; pedicels diverging, longer than the calyx ; segments of the calyx 

 linear-subulate, pubescent ; corolla bright bluish-purple, with a peculiar gray- 

 ish tinge, varying to a pale lilac-color; lobes obcordate. A very pretty species, 

 with stems 1 2 ft long, found in damp woods from N. Y., westward and south 

 ward. May. 



1. P. Drummondii. Drummond's Phlox. 



Plant clothed with rough, glandular hairs ; stem erect, dichotomously branch- 

 ing; leaves oblong or lanceolate, rough; flowers very showy, in dense, ter- 

 minal cymes; calyx hairy; segments elongated, revolute, lanceolate, tapering 

 to setaceous points ; corolla of all possible hues, varying from white to dark 

 purple ; tube pilose ; lobes ovate, entire, A splendid species, common in gar- 

 dens, where there are numerous varieties. Stem 8' 12' high. An. 



5. P. subulata. 



Dwarf Phlox. 



Stems procumbent, tufted, clothed with minute down, very branching- 

 leaves rigid, subulate, or very narrowly linear, small, crowded, with fascicles of 

 smaller ones in their axils ; cymes few-flowered ; calyx-teeth subulate, very 

 acute ; corolla pink or rose-color, rarely white ; lobes cuneate, emarginate. A 

 pretty, dwarf species, native in N. J., Penn., and Southward, frequent in gar- 

 dens. May. 



2. GiLIA. 



Calyx 5-cleft ; segments acute. Corolla-tube long or short ; 

 limb regularly 5-lobed. Stamens 5, equal, inserted at the top of 

 the tube. Capsule oblong or ovoid, few many-seeded. 



