Cephalanthus.] RUBlACEiE. ^ 2g7 



is, that all those which I have had the opportunity of examining are referable to the JRuhiacecBy and I think 

 to Anotis of De Candoile, in which Genus that author has indeed placed the Houstonia rotundifoUa of EUiott. 

 But Anotis is probably not distinct from Hedyotis, with which Houstonia seems to me entirely to a^ce, and 

 I have no hesitation in uniting them, especially as I find that such an union has the sanction of Auguste de 

 St. Hilaire, who says of Hedyotist " ce genre pavoit devoir etre reuni non-seulement aux Houstonia^ mais 

 encore aux Oldenlandia^ Hence I have adopted the character of Uedyotisy as given by Achille Richard, 

 in his valuable " Memoire sur la Famille des Rubiacees." 



Trib. IL GuETTARDACE^. Fructus dr?ipaceiis, pyrenis 2-5 monospermis. Semina teretia 

 elongata scBplus erecta. Albumen carnosum, Frutices aid Arhusculce, Folia opjmsita 

 aut rarius terna, cum stipulis inter petiolaribus . DC. 



2. MITCHELLA. Linn, 



Calycis tubus ovato-globosus (interdum cum flore altero concretus,) limbus maximus 

 4-dentatus, Corolla infundibuliformis, tubo tereti, fauce lobisqiie patentlbus intus hirtis. 

 Staminuyn Jilamenta tubo adnata fere usque ad fuucem, anthers ovatae vix exsertae. Stylus 

 filiformis. Stigmata 4 inclusa. Bacca subglobosa, calycis dentibus coronata 4-pyrena5 (aut 

 8-pyrenu, ubi baccae dua; coalescunt;) pyrenm coniese l-spernise. Albumen subcartilu- 

 gineum. Embryo minutus erectus cotyledonibus brevissimis. — Herbse Americanm globrm 

 repentes Linnrese aut Nerteriae facie. Folia subrotunda aut ovata, Stipulse utrinque soli- 

 tarim minimm. Flores axUlares aitt terminales^ nunc gemini et concreti ad apicem pedlculi, 

 nunc solitarii sessiles, DC. 



1, M, repens ; foliis subrotundis, floribus ad apicem pedunculi duobus ovario concretis. 

 DC, — Linn, Sp. PL p, 452. Mich, Am, v. 1. p. 86. Pursh, FL Am, v, 1. p. 101. Elliott, 

 Carol, V, 1. p. 198. Bigel, FT, Bost, ed. 2, p, 52, Torrey, FL of Un, St. v. 1. p. 174. De 

 Cand. Prodr, v. 4. p, 452. 



Har Upper Canada. Pursh, Dr, Todd, Mrs. PercivaL Mrs, Skeppard, — This seems to be altogether 

 confined to the Southern limits of the British Possessions, and to be unknown on the West side. 



Trib. III. Sfermacoce.e. Cham, et Schlecht, — Stigma bilamellatum. Fructus siccus 

 autparce carnosus constans inericarpiis scepius 2, rarius 3-4, monospermis nunc concretis 

 nunc secedentibus indehiscentibus nunc varie dehiscentibus. Albumen carnoso-subcorneum. 

 Frutices aut Herbm, Folia opposita. Stipulce basiinembranacece apice scepius multisetce. DC. 



3. CEPHALANTHUS, Linn, 



Calycis tubus ohveTse pyramidatus, limbus angulatus 4-dentatus. Cor, tubulosa gracilis 

 limbo 4-fido, lobis erectiusculis. Stam, 4 brevia summo tubo inserta vix exserta. Stylus 

 louge exsertus. Stigma capitatum. Fructus inverse pyramidatus coronatus coriaceus 2 

 (-4,?) locul. 2(-4?) partibilis, loculis 1-spermis indehiscentibus interdum abortu vacuis. 

 Sem, oblonga epiphysi callosa supra terminata. Embryo inversus in albumine subcartila- 

 irineo, rad, supera. — Frutices. Rami tcretes. Folia opposita aut terna, Stipulae breves 

 distinctfE aut subconcretce, Pedunculi ex axillis svpremis et apice ramorumorti nudi, Cap- 

 itulum globosum. Flores supra receptaculum sphcericum piligerum sessiles, dense aggregali^ 

 sed distincti, ochroleuci, DC. 



