7 
. 
ROBINSON, — SYNOPSIS OF THE GENUS NOCCA. 469 
equal length without glandular tip, not rubescent: leaves elliptical-ob- 
tusish or very shortly acuminate, grayish-pubescent beneath, somewhat 
scabrous upon both surfaces, shortly but manifestly petiolate, the upper 
leaves much reduced, oblanceolate, acuminate, remotely denticulate, 
much shorter than the rather elongated internodes; secondary nerves 
2 or 3, originating some distance above the base: bracts linear, acute, 
exceeding the flowers, — Lagascea Moginniana, DC. Prodr. v. 92 (1836) 
as to pl. of Haenke not of Mocifio. — Mexico without locality, Haenke, 
in herb. De Candolle. For an excellent sketch of this plant and informa- 
tion concerning it I am indebted to the kindness of Mr. Robert Buser. 
b. Indumentum unknown: leaves ovate, acute, green upon both surfaces, finely 
serrulate with approximate purple-glandular teeth (about 10 to the centimeter). 
/ 4. N. Mogiyntana, O. Kuntze, 1. ¢. (1891), as Noccaea Moginiana. 
“ Lagascea Moginniana, DC. Prodr. v. 92 (1836) as to pl. of Mocifio, — 
Mexico without locality, Mocrito. 
¢. Indumentum of the stem widely spreading, composite, consisting of a dense 
short gray subglandular puberulence and a long white horizontally spreading 
5. N. Pringlei. Stems slightly lignescent, 1 to 2 m. high, brown, in 
dried state striate, covered with a fine spreading gray puberulence and 
long spreading white villosity: leaves ovate, somewhat rigid, 5.5 to 
6.5 cm. long, 3 to 4 cm. broad, serrate with about 2 teeth to the centimeter, 
3-nerved from much above the base and pinnately veined, gray-tomen- 
tose upon both surfaces, especially so beneath, obtuse or acutish at the 
apex, rounded at the base; petiole 3 to 4 mm. long: branches of the 
inflorescence rigid, divergent, with long internodes and spatulate bracts ; 
glomerules rather loose, not many-flowered: involucres 1-flowered, cylin- 
drical, upwardly canescent-villous, 1 em. long, cleft nearly to the middle 
into 5 erect very unequal teeth: corolla 1.2 em. long, purple, covered 
on the outside with a fine gray tomentum ; the tube very short, slender; 
the throat cylindrical, 4 to 5 mm. in length; teeth 5, ovate, scarcely 
acute : mature achene not seen. — Collected by C. G. Pringle on lime- 
Stone ledges above Iguala, Guerrero, Mexico, 10 October, 1900, no. 
8400. Type in herb. Gray. 
d. Indumentum of the stem fine, appressed: leaves elliptic-ovate, finely or more 
Coarsely serrate, but not noticeably purple-glandular on the margin. 
1. Leaves green, lucid, and scabrous-pubescent upon both surfaces. 
> 6. N. rierpa, Cay. Ie. iii. 12, t. 224 (1795) ; Sweet, Brit. Fl. Gard. 
ser. 2, t, 26. Noccaea rubra, Cass. 1. ¢. 104 (1822). Lagascea rubra, 
HBK. 1. c. 24, t. 811 (1820). — Mexico, Cordillera of Guihilaque, 
