Oedbe T8.— PEIMULACE^ 505 



5 L. longlfdlia Ph. Pbaieib Monetwobt. St. slender, 4-angled, flexuou?, 

 branched above; Ivs. lineax-shining, rigid, sessile, margin remiute; fls. opposite or 

 mostly quatemate and terminal on the stem and branches; sep. lanoe-linear, 

 acuminate ; pst longer than the calyx, roundish-ovate, erose-dentate, abruptly 

 acuminate. — Common in low prairies, W. States. The large yellow flowers are 

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

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

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



6 L. h^brida Mx. Smooth and erect; Ivs. flat, veiny, oblong -lanceolate or lanoe- 

 linear, acute at each end (the lower often shortened and obtase) , petMes ciliak, 

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

 with intermediate proces-ses. — y Moist meadows and prairies. Can. and TJ. 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 fla. Jl. (L. angustifolia Lam. L. heterophylla llx.) 



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

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

 .site ; sta. distinct, with 5 abortive filaments. — y 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 cordate at base, 

 on petioles fringed with cileas, the upper ones apparently quatemate. Flowers 

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



j3. t6nsa. Petioles entirely destitute of cilefE ; lvs. smaller. — Mts. E. Tenn., 

 near the Cumberland Gap. Plants 6 to 18' high. 



8 Ii. rddicans Hook. Si. 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 ciliate ; fls. small, loosely paniculate on the slender branches. 

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

 long (!') as the leaves. Fls. half as large as in No. 4. 



9 Ii. nummiildrfa 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 Middlebury, Vt. (Prof. Lathrop), and shores of L. 

 Mich. (ISTutt.). Eur. 



10. ANAGAL'LIS, L. Scaelet Pimpernel. Poor Man's Weatheb- 

 GLAss. (Gr. avayeXdco, to laugh ; it is said to be medicinally effica- 

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

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

 globous, membranaceous, circnmscissile. Herbs with square stems and 

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



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

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

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

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

 G — 20' long, with elongated branches, or simple. Leaves 6 — 8" by 4 — 6' Fls. 

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

 p. M., in damp weather not open at alL Jn. — Aug. — Dr. BueL of KiUington, Ctj, 

 sent us specimens with blue flowers! 



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

 urceolate-rotate, 4-cleft, shorter than the calyx ; sta. 4, beardless, united 

 at base ; caps, globous, circnmscissile ; seeds very minute. — (D Very 

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



C. mfnimus L. Erect or ascending, branched; lvs. subsessile, ovate or lance- 

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

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

 III, but 3 to 6' long in La. Leaves about 2" by 1". Flowers reddish 7 JL 



