Part 1, 1914] PYROLACEAE 31 
2. Chimaphila corymbosa Pursh, Fl. Am. Sept. 300. 1814. 
Chimaphila umbellata W. Barton, Veg. Mat. Med.1: 17,in part. 1817. Not Pyrola umbellata L. 1753, 
Pyrola corymbosa Bertol. Novi Comm. Acad. Bonon. 6: 428. 1844. 
Suffruticose perennial; stems 5-15 cm. high, often branched, brown or grayish, more or 
less angled, especially under the nodes; leaves in verticils of 3-7: petioles very short; blades 
narrowly oblanceolate or the earlier broader, 2.5—7 cm. long, dark-green and shining above, 
pale and with rather strong lateral veins beneath, entire towards the base, sharply serrate 
above, decidedly acute with a large terminal tooth; pedicels in flower divergent, and somewhat 
recurved, in fruit becoming nearly erect; sepals broadly ovate, as broad as long, erose; petals 
elliptic, ciliolate, greenish-white, tinged with rose; dilated portion of the filaments obovate, 
ciliolate on the margins; anthers about 2 mm. long, attached at the middle; stigma two thirds 
as broad as the ovary; capsule obovoid-subglobose, about 6 mm. in diameter. 
TYPE Locality: Canada. 
DistRIBUTION: Woods, from Nova Scotia to Georgia and Wisconsin; Santo Domingo. 
ILLUSTRATIONS: Novi Comm. Acad. Bonon. 6: pl. 20; Bot. Mag. pl. 778; Bigel. Med. Bot. pl. 21; 
W. Barton, Veg. Mat. Med. pl. 1; Meehan's Mo. 7: pl. 9; Mathews, I Field Book 320. f. J. 
3. Chimaphila domingensis Blake, Jour. Bot. 52: 169. Jl 1914. 
Differs from C. corymbosa by having obtuse leaves, glabrous pedicels, and the ovate, 
dilated part of the filaments eciliolate. 
TYPE LOCALITY: Pine woods, Valle Nuevo, near Constanza, Santo Domingo. 
DIstRIsuTION: Santo Domingo. 
4. Chimaphila mexicana (DC.) Rydberg, sp. nov. 
Chimaphila umbellata mexicana DC. Prodr. 7: 775. 1839. 
Suffruticose perennial; stem angled, 2 dm. or more high; leaves in verticils of 4-7, oblan- 
ceolate, 3-10 cm. long, very sharply serrate, acute, dark-green above, paler and with prominent 
lateral veins beneath; peduncles about 1 dm. long; bracts linear-subulate, almost filiform; 
pedicels in anthesis more or less spreading and recurved; sepals broadly ovate, as broad as 
long, erose; petals rose-colored, oval, about 7 mm. long; dilated portion of the filaments obo- 
vate, ciliolate on the margins; anthers about 3 mm. long, attached at the middle; capsule 
globose-obovoid, nearly 1 cm. in diameter; stigma less than half as broad as the ovary. 
TyPE LocaLiry: Near City of Mexico. 
DistrRiBuTION: Southern Mexico, 
5. Chimaphila acuta Rydberg, sp. nov. 
Suffruticose perennial; stem about 1 dm. high, greenish, terete; leaves in verticils of 
3-5, oblanceolate, 2~6 cm. long, dark moss-green above, yellowish-green beneath, sharply 
serrate except towards the base, acute, the lateral veins distinct but not very strong beneath; 
peduncles about 1 dm. long; inflorescence corymbose or subumbellate; bracts linear-subulate; 
pedicels in anthesis spreading, in fruit erect; sepals triangular-ovate, longer than broad, acute; 
petals oval, about 6 mm. long; dilated portion of the filaments obovate; anthers 2.5-3 mm. 
long, atta¢hed near the middle; capsule obovoid, about 7 mm. broad. 
Type collected near top of “Rim rock,’ Tonto Basin, Arizona, August 2, 1887, Mearns 136 
(herb. N. Y. Bot. Gard.). 
Distrmurtion: Arizona and New Mexico. 
6. Chimaphila acuminata (Lange) Rydberg, sp. nov. 
Chimaphila maculata acuminata Lange, Vidensk. Meddel. 1867: 112. 1868. 
Suffruticose perennial; stem terete, 1-2 dm. high; leaves in verticils of 3-5, narrowly 
lanceolate or the lower broader, acuminate, sharply serrate with narrow irregular teeth, directed 
forward, 2-5 cm. long, dark-green above and mottled along the veins, reddish beneath; pe- 
duncles more than 1 dm. long; inflorescence 1-3-flowered; bractlets subulate; sepals rounded- 
ovate, obtuse, ciliolate, as broad as long; petals orbicular, about 8 mm. long; dilated portion 
of the filaments obovate or obcordate; anthers 3 mm. long, attached at the middle. 
Tyvek LocaLity: Alpatlahua, uv era Cruz. ) 
DistrRmurtion: Southern Mexico. 
