286 



RUBlACEiE. [Hedyotis. 



h HEDYOTIS. Lam.—Ach, Rich. 



(Hedyotis et Oldenlandia auct — Houstonlse Sp, ovar, infero, Mich, — Dunalia. Spreng. 



non Kunth. Anotis. DC) 



Calycis limbus 4-dentatus aut 4-partitus persistens. Corolla tubulosu, brevis aut longior ; 

 limbo 4-fido subpatente ; fauce ssepius barbata. Sta7nina 4 inclusa aut vix exserta, antheris 

 ovatis brevibus. Stylus simplex longitudine staminum aut paulo brevior. Stigma bilobum 

 aut bipartitum. Capsula globoso-didyma, aut ovoid eo-oblonga, calycis dentibus coronata, 

 bilocularis, loculis polyspermis, apice transversim incomplete loculicido-bivalvis ; seminibus 

 minimis numerosis aut paucioribus subpolyedris scrobiculatis. — Herbae ramoscs aut hasi 

 suffrutescentesy foliis oppositis vagina stipulari scepius dissecta connatis ; florihus parvulis 

 axiUarihus solitariis hinis aut plurihus terminalibusque, Ach, Rich, 



1. H, ccerulea; caulibus erectis subdichotomis foliis ovato-lanceolatis basi attenuatis 

 radicalibus spathulatis pauce hirsutis, pedunculis elongatis unifloris, corollis hypocrateri- 

 formibus lobis acutis. — a, caulibus elongatis dichotomis. Houstonia cserulea. Linn, Sp, PL 

 p, 152. Purshi Fl, Am. v. 1. p, 106, Sims, Bot. Mag. t. 370. Elliott, Carol, v, 1. p, 192. 



Torrey^ Fl, of Un. St, v. I, p, 172. BigeL Fl, Bost ed, 2, p, 53. — Houstonia Linnsei, «. 

 Mich, Am, V. 1, p, 84. — /3. caulibus brevissimis pedunculis elongatis solitariis CEespitoso- 

 divaricatis. Houstonia caerulea* ^. minor. Pursh, Fl. Am, v, l,p, 106. — H. Linnsei. /3. Mich, 

 Am, V, I. p, 85. — H. patens. Elliott, Carol, v, I. p. 191, — H, serpyllifolia, Mich, Am. v. 

 I. p. 85. Pursh, Fl, Am. v. I, p. 106. Elliott, Carol, v. 1. p. 198. Graham, in Bot, Mag, 

 L 2822. 



Hab. a. About Quebec. Mrs, PercivaJ, — ^. Fort William, on Lake Superior. Vr, Richardson, Drum- 

 mond. — Of this certainly variable little plant, I have received only a solitary specimen of the var. «. from 

 Canada, and three or four of the var. &. from Fort William, in lat. 48°, which may perhaps be considered 

 its Northern boundary. This latter does not appear to me to differ specifically from the more usual appear- 

 ance of the H, ccerulea, although many Botanists keep them distinct. 



2. H, longifolia ; caule erecto ramoso tetragono ad geniculas prsecipue pubescente, foliis 

 lineari-oblongis radicalibus inferne attenuatis, stipulis lato-ovatis integris vel bi-tridentatis 

 membranaceis albis, corollis infundibuliformibus. — Houstonia longifolia. Gcertn, de Fruct, 

 V, Lp. 2266. L 49./ 8. (quoad fruct.) TVilld. Sp. PL p. 583. BigeL FL Bost ed, 2. p, 53. 

 Elliott, CaroL v. 1. p. 192. Torrey, FL ofUn. St v, 1. p. 173. Hook, in Bot Mag, t 3099. 



Houstonia angustifolia. Mich, Am. v, I. p, 85. Pursh, Fl, Am. v. \. p. 106. 



Hab. Lake Huron. J)r. Todd, Abimdant about Lake Winipeg and the Saskatchawan. Dr, Richardson. 

 Drummond, Douglas, 



3. H. ciliolata; "foliis radicalibus ovatis obtusis basi attenuatis marginibus ciliatis 

 caulinis ovato-spathulatis sessilibus, floribus corymbosis terminalibus pedicellatis, pedunculis 

 trichotomis, segmentis calycinis lineari-lanceolatis, caule glabro superne ramoso." Houstonia 

 ciliolata. Torrey, Fl, of Un. St v, I. p, 174. 



Hab. Goat Isbind, Falls of Niagara. Prof. Hadley, (in Tott^^.)— With this I am unacquainted.— What 

 particular species of Houstonia^ of Michaux, Jussieu may have had in view when, in the 10th volume of the 

 Annales du Museum, he referred the Genus to GentianecBj I have no means of determining : but certain it 



