OCTANDRIA. MONOGYNIA, 245 



reo. (ENOTHERA. L. (Tree-primrose.) 



Calix tubulous: 4-cleft, segments deflected, 

 deciduous. Petals 4 inserted upon the calix. 

 Stigma 4-cleft. Capsule 4-celled, 4-valved. in- 

 ferior. Seeds naked, affixed to a central 4-sided 

 receptacle. 



Herbaceous, biennial, annual and perennial; leaves aL 

 ternate; flowers solitary, axillary, at length elongated into 

 a spike, generally yellow, rarely white or violaceous, ex- 

 panding about sun-set. (Leaves in most of the species, 

 when sufficiently diaphanous, linearly punctate.) 

 § I. Fndt elongated, sessile. 



Species. \. CE. biemiis. (Tree-Primrose.) v. v. On the 

 banks of the Missouri up to Fort Mandan; the flowers are, 

 however, smaller than usual, and the leaves somewhat 

 glaucous. 2- rmtricata. o. parvijlora. 4:. grandijtora. 5. si- 

 jiuata, |8. mhnmai Ph. A mere variety of this species, and 

 not uncommon in New-Jersey. 



6. * /tumifusa. Stem prostrate, branching, villous; leavess 

 linear-lanceolate, subdentate or entire, silky villous as well 

 as the calix; flovv'crs axillar}-; tube of the calix a little longer 

 than the germ; petals obcordate about the length of the 

 anthers; capsule prismatic, Hab. Near Cumberland isl- 

 and, Florida, on the sea-coast. — Dr. Baldwyn. Resembles 

 CE. sinuata somewhat in general habit; but is soft and 

 silky, not hairy as that species; the flowers also seem to 

 have been white; the leaves are an inch long and scarcely 

 two lines wide, irregularly and remotely toothed, lower 

 leaves apparently always entire; flowers small 



7. * albicaulis. Pttrennial; stem simple, erect, white and 

 polished, upper part branching; leaves linear -sublanceo- 

 late, rarely subserrulate, under side a little villous; flow^ers 

 axillary, middle-sized, white; capsule prismatic; petals 

 entire. — (E. albicaulis. Fras. Catal. 1813. Pursh's sv- 

 nonym wrong, 2. p. 734. See the Herbarium of A. B. 

 Lambert, esq. Hab. From the river Platte to the North- 

 ern Andes. Flowering in July and August. Stem about 

 3 feet high, calix somewhat villous; capsule about an inch 

 lang. 



8. * pinnatijida. Minutely pubescent; stem low and de- 

 cumbent; radical leaves nearly entire, stem leaves pinna- 

 tifid, segments linear and acute; flowers ^t.w, axillary, 

 large and white; petals obcordate and dihted. much 

 longer than the stamina; style filiform, very slender, stig« 

 zaas filifonn and divaricate as long as the aathers.'j cap" 



Y2 



