478 PROCEEDINGS OF THE AMERICAN ACADEMY. 
hitherto definitely known to occur in Mexico, has been collected by 
Mr. Nelson on Maria Magdalena Island of the Tres Marias group of 
islands, 26-28 May, 1897, no. 4327. 
THELYPODIUM LONGIFOLIUM, Watson, Proc. Am. Acad. xvii. 321. 
To this species may be referred Pringle’s no. 6548, from the Valley of 
Mexico, 30 September, 1896, distributed under 7. micranthum, Watson, 
and later described by Professor Edward L. Greene, Pittonia, iii. 247, as 
T. anisopetalum. 
ERYSIMUM MACRADENIUM, Gay, Erys. Nov. 8. Excellent specimens 
of this interesting species, both in flower and fruit, were collected by C. 
Conzatti and V. Gonzalez on the summit of the Sierra de San Felipe, 
Oaxaca, 15 August and 26 September, 1897, no. 499. The species ss 
well marked by the large placental glands, and by the long capsules (19 
to 16 cm. in length). 
Phyllanthus subcuneatus. Suffruticose, about 1 m. high, 
glabrous throughout: stems and branches covered with a grayish bark, 
the younger shoots reddish: leaves alternate, often subfascicled, petiolate, 
obovate, obovate-cuneate or distinctly cuneate, 3 to 10 mm. long, twe 
thirds as broad, rounded, subtruncate or retuse at the apex, entire, some- 
what paler beneath; petioles 1 to 1.5 mm. long; stipules minute, about 
1 mm. in length: flowers axillary: staminate flowers about 3 mm. b 
short-pedicellate ; pedicels 1 to 4 mm. long: calyx 6-parted; division# 
oblong or oblong-ovate, rounded at the apex, 1-nerved, margins scarious 
stamens monadelphous; anthers 3 at the top of the column; glands 6, 
distinct: pistillate flowers 3 to 4 mm. broad, on slender pedicels, 6 to 9 
mm. long: calyx 6-parted; the divisions obovate, rounded or obtusish at 
the apex, green; the disk cupulate, 6-lobed: ovary glabrous; styles 
united at the base only, spreading; stigmas slightly 2-lobed: capsule 
about 3 mm. in diameter, slightly broader than long: seeds triangular, 
about 2 mm. long, with a reddish brown minutely roughened surface. — 
Collected by C. G. Pringle on limestone ledges near Tehuacan, altitude 
1540 m., 29 July, 1897, no. 6753. 
Argithamnia neo-mexicana, Mill. Arg., var. depressa. 5 
numerous, prostrate from a woody perennial base: leaves oblanceolate, 
2.5 to 4 em. long, about 8 mm. broad, narrowed below into a subpetiolate 
base, glabrate: calyx-divisions of the fertile flowers a little shorter # 
somewhat less acuminate than in the type: seeds conforming 1? the 
species proper. — Collected by C. G. Pringle on calcareous Pp 
_ Tehuacan, altitude 1540 m., 29 July, 1897, no. 6752. 
_ Evpnorsia tacera, Boiss. Euph. Cent. 22, & Euph. Ic. t. 
tems 
30. A 
ae 
Jains of a 
