ROSE—MEXICAN AND CENTRAL AMERICAN PLANTS. 337 
3in an interval, sometimes fewer in lateral ones, 6 on commissural side; seed strongly 
involute; stvlopodium low-conical. 
This species closely resembles MW. serrata C. & R., but has less scabrous leaves and 
different fruit, and possesses involucel bractlets, ete. 
Collected by Mr. C. G. Pringle on a rocky hillside about the waterfall near 1 Oro, 
Michoacan, September 13, 1901 (no. 6812). 
Museniopsis fusiformis Rose, sp. nov. 
Biennials from small spindle-shaped tubers, stems glabrous, much branched, 40 
em. high, not at all zigzag; leaves 2 to 3 times ternate; leaflets linear, entire; rays 
usually 4 to 10, nearly equal, 1 to 2m. long; pedicels about 3 mm. long; involucre 
of one or two bracts; involucel bractlets if present one or two and linear; flowers yel- 
low; fruit 2 mm. long, cordate at base; ribs of fruit rather prominent. 
Collected by J. N. Rose and Jos. H. Painter, October 13, 1903 (no. 7821, type), 
near Tultenango canyon, State of Mexico; and by Mr. C. G. Pringle at same locality 
(no, 9815), 
This species comes nearest JV. tuberosa, but is stouter throughout, often possesses 
an involucre and involucel bractlets, has stouter ribs, ete. 
Oaxacana ebracteata Rose, sp. nov. 
Stems tall, 60 or more em. high, erect, glabrous and glaucous; upper leaves twice 
ternate; leaflets ovate, acute, more or less cleft and sharply serrate; petioles wanting, 
stipular bases much enlarged and scarious; peduncles short, 7 to 8 cm. long; rays 
numerous, spreading, 38 to 4 em. long; involucre and involucel bractlets wanting; 
flowers purplish, the sterile ones on slender pedicels, the fruiting ones very short or 
subsessile, 
Collected by C. and EK. Seler between Hurtztan and Oxchuc, Chiapas, March 11, 
1896 (no. 2148). 
Spermolepis echinatus (Nutt.) Heller, should now be taken up tor Leptocaulis 
echinatus Nutt. 
Mr. C. G. Pringle has recently collected material at Diaz, Coahuila (no. 8309). 
Washingtonia mexicana (Grieslh. ) Rose. 
Osmorrhiza inexicana Griesb, Goett. Abh. 24: 147. 1879. 
Washingtonia mecicana bas a wide distribution in the mountains of Mexico, 
CUCURBITACEAE. 
TWO NEW SPECIES. 
Roseanthus elongatus Rose, sp. nov. 
Annual vine, climbing to 4.5 to 6 meters, moncecious, the stem somewhat angled, 
pubescent; leaves ovate, cordate, with a broad generally open sinus, sometimes 
3-lobed, 15 cm. long, thin, acute, the margin with fine but distinct teeth, pubescent 
on both surfaces; male flowers abundant, axillary on long slender peduncles (20 cm. 
or so long), 7 to 8 em. broad; corolla white with numerous greenish veins; female 
flowers on short peduncles (1 to 1.5 em, long), very pilose and also covered with 
short glandular hairs; calyx tube greenish, 4 em. long; lobes linear, 10 to 12 mim. 
long; ovary pubescent; fruit globular, 5 cm. in diameter, its rind thin and splitting 
irregularly: seeds horizontal, separated from: one another by thin tough plates. 
Very common on the western slopes of the Cape region of Lower California. 
Collected by T. 8. Brandegee first in September, 1893, and again in November, 1902. 
Type in Brandegee Herbarium. 
Schizocarpum jaliscanum Rose, sp. nov. 
A delicate vine, climbing over low bushes and shrubs, the stems bearing pilose as 
well as short glandular hairs; leaves orbicular in outline, with broad open sinus, the 
basal lobes rounded, the apex rounded or acutish, nearly glabrous above, scabrous- 
o 
17667—VvoL vil, pr 4+—05 
