ONAGRACEjE. 132 EPILOBIDM. 



ing; stamens 10, alternate ones very long; style filiform; 

 capsule globose, included, many-seeded. 



Gr. ^fx.*, ten, «3ov4, a tooth ; from the horn-like teeth of the calyx. — Per- 

 ennial herbs, with opposite or whorled leaves and axillary purple flowers. 



D. verticilla'tum. 



Pubescent ; leaves opposite and in whorls of 3,^essile, lanceolate ; flowers 

 axillary, nearly verticillate ; !>tainens\0 — 12. Swanips. Stem woody at base, 

 4 or 6-an<rIed, 2 feet high, often prostrate and severalfeet in length, with whorls 

 of '2 or 3 lanceolate, entire leaves. Flowers in axillary corymbs, apparently 

 whorled, constituting a long, cylindric, leafy, terminal and showy raceme. 

 Calyx segments 10 — 12. Petals 5 or 6, of a fine purple. Jl. Aug. Per. 



Swamp- Willoto-kerb. 



ORDER LVI. ONAGRACE^. 



Oj;._Sepals 4, (2—6) united below into a tube, the lobes valvate in oe-stivalion. 



Cor.— ( Petals 4, (2 — 6) inserted witli the 4 or 8 (1—2—3—8) stamens into the throat of the 



Sta.— \ calyx. Pollen triangular, often cohering by threads. 



Ooa.— Coherent with the lube of the calyx; placenta in the axis. 



Jr.— Baccate or capsular, 2 — 4-celled, many-seeded. Albumen none. 



Herbs, rarely shrubs, particularly abundant throughout America, more rare in the Old 

 World. They possess no remarkable properties. Many genera are ornamental, and one, 

 the well known Fuchsia, is so to a high degree. 



To this order is appended the suborder Holoragr.b, consisting of aquatic herbs of a low 

 grade, the flowers being imperfect or reduced to solitary parts or organs. 

 Co/ispectus of the Genera. 



Pet. scarcely ( Seeds comose, Epilobium. 1 



I clawed ; ( Seeds naked, Enotkeia. 2 



J ( Claws unarmed, Gaura. 3 



_ ( Herbs. ( Pet. clawed; | Claws with 2 teeth, Clarkin. 5 



g J Sta. 8; I Beautiful green-house shrubs, . . Fuch-sm. 6 



• ( Fls- perf I Stamens 4 ; styles united into 1, , . . Lurtwii;ia. 4 



V- ( by 4s; I Flowers monoecious ; aquatic; leaves multifid, . . . Mi/riopht/Uum. 9 



° 3 by 3s; flowers apetalous; aquatic; leaves pectinate, . . . Proserpinaca. 8 



■C j by 2s ; flowers complete and regular ; leaves entire, . . . Cirro'.a. 7 



l2 ' by Is ; flowers apetalous ; aquatic ; leaves verticillate, . . Jiipjmris. 10 



Tribe 1, ONAGRE^. 

 Flowers perf ect, tlie parts arranged in 4s {rarely '3s); pollen connected by threads. 



1. EPILO'BIUM. 



Calyx 4-clert, tubular; corolla 4-petaled; stamens 8 ; cap- 

 sule oblong, inferior; seeds comose, with a tuft of long hairs. 



Gr. £Xk, upon, and Xojioi, a pod ; that is, a flower growing upon a pod. 

 Cal. superior, deeply cletl into 4 oblong, colored, deciduous segments. Cor. 

 of four roundish petals, inserted between the segments of the call's. Fil. sub- 

 ulate, alternate ones shorter. Ova. inferior, very long, 4-valved. — Per. herbs. 



E. ANGUSTIFo'LIUM. L. E. spicatum. Lam. 



Leaves scattered, liner-lanceolate, entire, veiny ; flowers unequal. The tall, 

 showy racemes of rose-colored flowers in Jul}' and Aug., readily distinguish 

 this plant. Grows in low, siiady grounds, stem oflen six feel high, round, 

 branching above. Leaves narrow, smooth, glaucous beneath. Flowers bluish 



