^34 MONOGriAPH OF THE GENUS PYROLA, 
brevissimis : mucronulo recurvo, petalis ovallbus, stlgmate 
clavato : disco elongate 5-lobo. 
P. elliptica, Nuttall, PI. Amer. bor. 1. p. 273 — Rad. Diss, p, 81, 5. f. I. 
P. ovalifolia, Pursh, MSS. 
Oval-leaved Wintergreen. 
Habitat in Americse Septentrion. sylvis, nempe in Phi- 
ladelphia et Nova Sarnia (Nuttall), in Canadia utraque 
Pursh. V. (v. s. in Herb. Lamb.) 
Radix prorepens. Folia patentia, oblongo-ovalia, obtusa 
aut rarius ovata, mucronulata, membranacea, tenuiter ser 
rulata, glabra, lucida, basi attenuata. Petioli unciales, aut 
ssepius ultra, pagina foliorum multo breviores, margine 
membranaceo-dilatati. Scapus erectus, gracilis, acute tri- 
queter, 5-pollicaris, nudus, nunquam convolutus, squama 1 
scariosa juxta basin instructus. Racemus S-G-florus. Brae- 
tecE lanceolato-subulatse, pedicellis breviores, apice recur- 
vatae. Pedicelli decurvi, undique versi, distantes. Flores 
campanulati, minores P. rotundifolid, albi, odorem gra- 
tum spirantes. Calycis lacifii^e brevissimae, semi-ovatse, 
mucronulatae : mucronulo recurvo. Petala ovalia, stamina 
subsequantia. Stamina adscendentia : Jilamenta glabra, basi 
late dilatata : antlierod flavse, basi vix fissse : foraminibus 
sessilibus. Pistillum staminibus duplo longius : stylus de= 
clinato-adscendens, superne incrassatus : stigma clavatum 
annula cinctum, disco elongatum 5-lobum. 
The present species is much smaller than P. rotundifoUa, 
The leaves are membranaceous, finely serrulated, oblong- 
oval, sometimes ovate, with an attenuated base, much longer 
than the petioles. Scape very slender, generally about 5 or 
6 inches high. Raceme few-flowered. Lacini^ of the calyx 
very short, semi-ovate ; apices of them, as well as of the 
bractese, mucronulate, recurved. Petals oval, equal to the 
