LV. ONAGRACE^. 



Epilobium. 



possess no remarkable properties. Maiiy genera are ornamental, and one, the well known Fuchsia, is so 

 to a high degree. 



To this order is appended the suborder Ualorae-e<z, consisting of aquatic herbs of a low grade, the 

 flowers being imperfect or reduced to solitary parts or organs. 



PIG. 45.— 1. Flower of (Enothera fruticosa. 2. Plan of the flower. 3. Section of the 4-celled capsule 

 of (E. biennis. 5. Hippuris vulararis -, 6, its flower, with 1 stamen, 1 ovary, 1 style. 4. Vertical section 

 of its l-seeded fruit. 7. Circa;a Lutetiana. 8. The flower enlarged. 9. Plan of the flower. 10. Vertical 

 section of the 2-celled and 2-seeded fruit. 



Conspectus of the Genera. 



!Pet. scarcely < Seeds comose. Epilobium. 1 



clawed ; I Seeds naked. (Enothera. 2 



\ Claws unarmed. Gaura. 5 



Pet. clawed; \ Claws with 2teeth. Clarkia. 3 



\ Sta. 8; \ Beautiful ereen-house shrubs. . . Fuchsia. 4 



< Fls.perf \ Stamens 4 ; styles united into 1. ... Ludwigia. 6 



("by 4s; ^Flowers monoecious ; aquatic; leaves multifid. . . Mi/riophyUum.9 



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



J by 2s; flowers complete and regular; leaves dentate. . . . Circcea. 7 



Fartsoffl.arrang'd (.by is; flowers apetalous; aquatic; leaves verticillate. . . . Hippuris. 10 



Tribe 1. OXAGRE.i3. 



Flowers perfect, the parts arranged in 4s (rarely 3s) ; pollen connected by threads. 

 1. EPILOBIUM. 



G/". CTTi, upon, \oPov, apod, lov, a violet; i. e. a violet growing upon a pod. 



Calyx tube not prolonged beyond the ovary, limb deeply 4-cleft, 4- 

 parted and deciduous ; petals 4 ; stamens 8, anthers fixed near the 

 middle : stigma often with 4 spreading lobes ; ovary and capsule 

 linear, 4-cornered, 4-celled, 4-valved ; seeds 00, comose, with a tuft 

 of long hairs. — ^• 



1. E. ANGUsTiFOLiUM. (E. spicatum. Lam.) Willovi Herb. Rose-bay. 

 St. simple, erect ; lis. scattered, lanceolate, subentire, Avith a marginal 



vein; rac. long, terminal, spicate ; /»g/.. unguiculate ; sto. and 5///. declined; stig. 

 with 4 linear, revolute lobes. — In newly cleared lands, low waste grounds, 

 Penn. to Arctic Am. Stem 4 — 6f high, often branched above. Leaves sessile, 

 smooth, 2 — 5' long, \ as wide, acuminate, with pellucid veins. Flowers nume- 

 rous and .showy, all the parts colored, petals deep lilac-purple, ovary and sepals 

 (5 — 6" long) pale glaucou.s-purple. Jl. Aug. 



/?. canescciis. — Flowers of a pure white in all their parts ; ovaries silvery- 

 canescent. — Danville, Vt. Ml^ M. L. Tuidc ! 



2. E. coLORATL-.M. Muhl. Colored Epilobv.771. 



St. subterete, puberulent, erect, very branching ; Ivs. mostly opposite, lan- 

 ceolate, dent-serrulate, acute, subpetiolate, smooth, often with reddish veins ; 

 pet. small, 2-cleft at apex; cal. campanulate ; sfij. included; 5^/°^. clavate ; ovules 

 in a single row. — Ditches and wet, shady grounds, British Am. to Ga. W. to 

 Oregon. Stem 1 — 3f high, becoming very much branched. Leaves 2 — 4' long, 

 i as wide, with minute, white dots, upper ones alternate and .sessile, lower on 

 short petioles. Flowers numerous, axillary. Pedicels 1 — 2" in length, ovaries 

 4 — 6", capsules 20", very slender. Petals ro.se-color, twice longer than the 

 sepals, Jl. — Sept. — Scarcely distinct from the next. 



3. E. PALUSTRE. Marsh Epilobium. 



St. terete, branching, somewhat hirsute ; lis. .sessile, lanceolate, subden- 



