Order 78.— PRIMULACEJS. 50,5 



5 1*. longifolia Ph. Prairie Moneywort. St. slender, 4-angled, floxuous, 

 branched above; lvs. YmeaT-shining, rigid, sessile, margin revolute; lis. opposite or 

 mostly quaternato and terminal on the stem and branches; sep. lance-linear, 

 acuminate ; pet. longer than tho calyx, roundish-ovate, orose-dentate, abruptly 

 acuminate. — Common in low prairies, W. States. The largo yellow flowers aro 

 very conspicuous among tho grasses. Stems 12 — 20' high, purple. Leaves 2 — 

 3' by 2 — 3 ", coriaceous, deep green. Flowers numerous, 9" diam., of a brilliant 

 yellow. Anth. large. Jl. (L. rovoluta Nutt.) 



6 L. hybrida Mr. Smooth and erect; Ivs. flat, veiny, oblong-lanceolate or lanoo- 

 linear, acute at each end (the lower often shortened and obtuse), petioles ciliaie, 

 slwrt ; fls. nodding ; ped. axillary ; stam. united in a very short tubo at base, 

 with intermediate processes. — U Moist meadow3 and prairies, Can. and U. S. 

 The fls. resemble those of tho L. ciliata. St. If to 18' high, simple or branched. 

 Lvs. 1 to 3' by 3 to 8", the two upper pairs usually approximate, forming a whorl 

 of 4, with 4 axillary fls. Jl. (L. angustifolia Lam. L. heterophylla Mx.) 



7 L. ciliata L Subsimple, erect; lvs. opposite, rarely quaternato, ovate, sub- 

 cordate or ovate-lanceolate, petioles ciliato upper side ; fls. nodding mostly oppo- 

 site ; sta. distinct, with 5 abortive filaments. — If In gravely soils and near streams, 

 U. S. and Can. Root creeping. Stem somewhat 4-sided, 2 — 3f high, simple or 

 with a few opposite branches. Leaves large, pointed, somewhat cordato at base, 

 on petioles fringed with cilese, tho upper ones apparently quaternato. Flowers 

 large, yellow, axillary. Stamens inserted into a ring. Jl. 



p. tonsa. Petioles entirely destitute of cilese ; lvs. smaller. — Mts. E. Tenn., 

 near tho Cumberland Gap. Plants G to 18' high. 



8 L. radicans Hook. St. erect, at base, glabrous, then decumbent, long, trailing, 

 branching and rooting at the joints ; lvs. lance-ovate, gradually acute, tho long 

 petioles more or less ciliato ; fls. small, loosely paniculate on the slender branches. 

 — Wet places, Va. (Aikin) to La. (Hale). Sts. 2 to 4f long. Petioles half as 

 long (1') as tho leaves. Fls. half as largo as in No. 4. 



9 L. nummularia L. Moneywort. St. weak, trailing; lvs. roundish, subcor- 

 date., obtuse, on very short petioles; fls. opposite, axillary, large, sep. ovate, sub- 

 cordate, acuminate. — Found at Middlcbury, Vt. (Prof. Lathrop), and shores of L. 

 Mich. (Nutt.). Eur. 



10. ANAGAL'LIS, L. Scarlet Pimpernel. Poor Man's Weather- 

 glass. (Gr. avayeXdco, to laugh ; it is said to bo medicinally effica- 

 cious in hypochondria.) Calyx 5-parted ; cor. rotate, deeply 5-parted, 

 longer than the calyx, tube ; sta. 5, hirsute ; anth. introrsc ; caps, 

 globous, membranaceous, circumscissilc. Herbs with square stems and 

 (mostly) opposite lvs. Ped. axillary, solitary. (Fig. 39.) 



A. arvensis L. Procumbent, branched ; lvs. broad-ovate, opposite or tcrnate, 

 sessile; ped. longer than the leaves; sep. linear-lanceolate, about equaling tho 

 petals; pet. crenate-glandular. — ® A trailing plant, in fields, road-sides, &c, U. 

 S. (except the colder parts of N. Eng.), and in almost all other countries. Stem 

 6 — 20' long, with elongated branches, or simple. Leaves G — S" by 4 — 6'. Fls. 

 small but pretty, with scarlet petals, opening at 8 o'clock, A. jl, and closing at 2 

 p. M-, in damp weather not open at all. Jn. — Aug. — Dr. BueL of lullington, Ct., 

 Bent us specimens with blue flowers I 



11. CENTUN'CULUS, L. False Pimpernel. Calyx 4-parted ; cor. 

 urccolate-rotate, 4-clcft, shorter than the calyx ; sta. 4, beardless, united 

 at base ; caps, globous, circumscissilc ; seeds very minute. — ® Very 

 diminutive, with alternate lvs. Fls. axillary, solitary, subscssile. 



C. minimus L. Erect or ascending, branched; lvs. subsessile, ovato or lance- 

 ovate, obtusish, entire, alternate, lower opposite; sep. linear-subulato, equaling 

 the capsule. — "Wet places, 111. (Mead), and Southern States. Plant 1 to 2' high in 

 I1L, but 3 to 6' long in La. Leaves about 2" by 1". Flowers reddish ? JL 



