y82 



LV. OiNAGRACEiE. 



Epilobium. 



po3S£ %a no remarkable properties. Many genera are ornamental, and one, the well known Fuchsia, is bo 

 U) a high depree. 



To this order is appended the suborder Ho.lomgecB, consisting of aquatic herbs of a low grade, the 

 flowers being imperfect or reduced to solitary parts or organs. 



PIG. 45.— 1. Flower of CEnothera fruticosa. 2. Plan of the flowei. i. Section of the 4celled capsule 

 of(E biennis. 5. Hippnris vulgaris ; 6, its flower, with 1 stamen, l ovary, l style. 4. Vertical section 

 of its l-seeded fruit. 7. Circsa 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 i Seeds comose. Epilobium. 1 



clawed ; i Seeds naked. (Enothera. 2 



\ claws unarmed. Gaura. B 



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



<i Sta. 8; I Beautiful green-house shrubs. . . Fuchsia. 4 



5 Flsperf ; Stamens 4 ; styles united into 1. . . . Lu-dwigia. 6 



("by 4s; J Flowers monoecious ; aquatic ; leaves multifid. . . MyriophyUwn.9 



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



J by2e; flowers complete and reeular; leaves dentate. . . . Circcea. 7 



Partsof fl.arrang'd Iby Is; flowers apetalous ; aquatic; leaves verticillate. . . . Hippuris. 10 



Tribe 1. ONAGRE.^. 



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



1. EPILOBIUM. 



Gr. tnt, upon, Xo0ov, apod, tov, 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-eelled, 4-valved ; seeds 00, comose, with a tuft 

 of long hairs. — %■ 



1. E. ANGUSTiFOLiUM. (E. spicatum. Lam.) Willoin Herb. Rose-bay. 

 St. simple, erect; Ivs. scattered, lanceolate, siibentire, with a marginal 



vein; roc. long, terminal, spicate; ;;(?<. unguiculate; 5/«. and 5^?/. declined; stig. 

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

 Penu. to Arctic Am. Stem '1 — 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 glaucous-purple. Jl. Aug. 



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

 canescent. — Danville, Vt. Miss M. L. Tmde ! 



2. E. coi.ORATL'M. Mulil. Colored Epilohmi. 



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; ca/. campanulate ; sty. included;, stig.clavaxe; ovules 

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

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

 \ 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 rose-color, twice longer than the 

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



3. E. FALCSTRE. Marsh Epilobivvi. 



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



