IN NORTH CAROLINA. 295 
(Michz.) seems to be confined to the lower country.* The 
banks of the shady and cool rivulets which we crossed every 
few minutes during our ascent, were in many places covered 
* If Decaisne's Heterotropa be retained as a distinct genus, which it probably 
should be, the character must be somewhat modified and two of our American 
species referred to it, although the name will be unm eaning as applied to these 
latter. According to E nm the differential characters of the two genera 
may be ecl as fol 
Se , Tourn, Linn. (excl. spec.) 
Perigonium campanulatum, tubo cum ovario connato, limbo tripartito. Sta- 
mina 12: filamenta teg libera, vel basi styli subadnata j antkeræ breves, 
extrorse, connectivo longe subulato superatm. Ovarium perigonio adnatum: 
styli in columnam crassam apice breviter 6-lobam concreti, stigmatibus papit- 
losis desinentes. d urope: et Boreali-Americane. 
zequantibus. 
2. A. Canadense tom e Ss imis styli basi Ces eoque brevioribu S. 
Quid est 4. Canadense, Thunber, rgii 
He ETEROTROPA. (Morr. et Decaisne.) 
Perigonium ventricosu obatum, fere liberum. Stamina 12 
brevissima vel subnulla, d pé ovario acereta; anthere (loculi lineares) €x- 
bere prapa alterne subintrorse; connectivum muticum, vel appendice 
brevi auctum. arium basi imo perigonii tubo adnatum: Styli 6, discreti, in 
Du bilobam ultra rompe extrorsa plus minus producti. (Herbe J 
POnice et Boreali-Americans. Folia tepius variegata. 
$ 1. fogouie cios. face constricta. Stamina 6, stigmatibus oppo- 
sita, filam ; G alterna sessilia, antheris ex- 
trorsis, Heterotropa ; Mont ei Deckitte. in dun, Sci. Nat, (n. ser.) 25 p.314, 
t. 10. 
L H. cud n piden eere SE: E pu mg oe ovstis: subcordatis 
patulis, stamin reflexo, 
alternis ** appendiculo ovato erecto « ovario siio, stylis obcordatis. Asarum 
Virginicum, Thunb. Fl. Jap. 7.190 
- Perigonium breviter died: fauce aperta, Stamina consimilia, fila- 
mentis brevissimis; anthere omnes extrorse. Homot 
arifolia ; perigonio tuboloso-urceolato, limbo EE antheris 
Pendicnlo brevi crasso superatis, alternis eodemque stigmatibus ad nod eg 
*tylis brevibus crassis cornibus ultra stigmata breviter aut vix serene foliis 
hastato-cordatis, Asarum arifolium, Miche, ; Hook. Exot. 
«Virginica ; pean breviter ventricoso-campanulato, litas muticis, 
stylis = stigmata Pen Ges apice bifidis, foliis rotundato-cordatis gla- 
ris, arum Vir, irginicu 
The li tins of dehiscence wë p? cells of the alternate anthers in Heterotropa 
“saroides, is said to be n arly lateral, or Ge introrse, so that this character 
is not strongly marked, pe probably will not be deemed of sufficient conse- 
ence to separate generically our two pen ies from the Japanese p On 
VOL. ik S 
