304 
8. Museniopsis cordata Coult. & Rose, sp. nov. 
Perennials with slender either simple or somewhat branched roots; stems slender, 
5 to 7.5 dm. high, nearly simple or more or less branched; radical leaves with slender 
petioles, 7.5 to 12.5 cm. long, 8 to 4 times ternately parted; leaflets linear and entire, 
somewhat wedge-shaped and 3-lobed, 3.6 cm. or less long; upper leaves more simple; 
peduneles rather short, usually 5 to 10 cm, long; rays of the umbel 4 to 6, nearly 
equal, 2.5 to 6 em. long; pedicels 4 to 6 mm. long; involucre and involucels wanting; 
fruit ovate, cordate at base, 3 mm. or less high, broader than high, with a low 
stylopodium; ribs filiform, indistinct. 
Collected by Mr. C. G. Pringle in dry pine woods, Sierra de San Felipe, altitude 
9,300 feet, August 28, 1894 (No. 5548), Sierra de Reyes, altitude 8,000 feet, November 
7, 1894 (No. 5549), also by Mr. E. W. Nelson, in mountain range west side of Cuicatlan, 
altitude 6,500 to 8,000 feet, November 10, 1894 (No. 1900). 
EE. Radical leaves with broader, shorter, more or less toothed leaflets. 
I. Umbels all peduncled; leaflets glabrous; involucels present. 
9. Museniopsis dissecta Coult. & Rose, sp. nov. 
Perennials from thick roots; stems 3 to 6dm, high, branching; leaves ternately 
dissected; leatlets ovate and cleft; pedicels 5 to 7.5 em. long; rays 3 to 6, 12 to 30 
mm. long; involucre wanting or of a single linear leaf; involucels of a few linear 
bracts; fruit oblong-ovate, 4 mm. long. 
Collected by Mr. Ek. W. Nelson from the mountains near Tlapancingo, altitude 
6,000 to 8,000 feet, December 7, 1894 (Nos, 2062, 2091a), and from the top of the Sierra 
Madre near Chilpancingo, State of Guerrero, December 24, 1804 (No, 2242), 
Il. Lateral umbels often sessile; veins of the leaflets scabrous; involucels 
wanting. 
kK. Leaflets elongated, linear, nearly entire. 
10. Museniopsis scabrella Coult. & Rose, sp. nov. 
Perennials with slender roots; stems slender, 6 to 10.56 dm. high, somewhat 
branched above; radical leaves with slender petioles, 10 to 17.5 em. long, 2 to 3 times 
ternate; leaflets linear and entire, 5 to 7.5 em, long, or broader and shorter, more or less 
toothed, all more or less scabrous on the veins, margins, and petioles; upper leaves 
more simple; peduncle rather short or wanting; rays 3 or 4, rather variable in length, 
but nearly equal in the same umbel, 2.5 to 7.5m, long; pedicels 4 mm. long; invo- 
lucre and involucels wanting; fruit ovate, 8mm. long; ribs filiform, indistinct. 
Collected by Mr. C, G. Pringle on the Sierra de San Felipe, altitude 7,000 feet, Sep- 
tember 10, 1894 (No. 5550), and by Mr. E. W. Nelson in oak woods on the mountain 
ridge on west side-of the Valley of Cuicatlan, altitude 7,500 to 8,000 feet, November 
10, 1894 (No. 1900). 
KK. Leaflets ovate, serrate. 
11. Museniopsis serrata Coult. & Rose, sp. nov. 
Perennials from slender roots; radical and lower stem leaves twice ternate; leaf- 
lets ovate, acute, serrate; upper stem leaves reduced, with filiform leaflets; pedun- 
cles short; rays 5, 18 to 35 mm. long; fruit ovate, cordate at base. 
Collected by Mr. C. G. Pringle from the Cuesta de San Juan del Estado, altitude 
7,000 feet, August 21, and from the continental divide near Las Sedas, altitude 6,500 
feet, November 7, 1894 (No. 5542); also by E. W. Nelson, near Las Sedas, October 3, 
1894 (No. 1539). 
Musineon alpinum Coult. & Rose, Bot. Gaz. xx, 260 (1895). 
Acaulescent, in dense mats, from a thick branching caudex, 5 to 10 cm, high, 
glabrous throughout, or nearly so; leaves once to twice pinnate, somewhat shorter 
than the peduncles, the primary segments ovate and more or less lobed or pinnately 
parted, and usually with a pubescent ring on the rachis at the junction; peduncles 
thick, bearing a few-tlowered 4- to 6-rayed umbel, with no involucre, the involucels 
of few linear bractlets longer than pedicels; rays unequal, € to 12 mm. long; pedi- 
cels 2 to 4 mm. long; flowers not seen; fruit glabrous, oblong-ovate, with notched 
