1887. | BOTANICAL GAZETTE. 63 
bundle of strengthening cells: oil-ducts none, but a layer of 
secreting cells next the seed: seed deeply and narrowly 
also contains 5 small bundles of strengthening cells: seed- 
section variable, oval or much flattened (figs. 25, 26).—Per- 
ennial, mostly glabrous herbs, with twice pinnate leaves 
{upper opposite and 3-cleft), segments cuneate and incised, 
no involucre, narrow involucels, and bright yellow flowers 
in May. 
I. P. Nuttallii DC. Mem. Umbel. 53. t. 13- Plant 2 to 3 
feet high: pedicels and involucels pubescent.—Michigan to 
Louisiana and westward. 
EXP ANATION oF PLatE IL.—Fig. 14, Fruit of Angelica Curtissii, < 7. 
Fig. 15, Section of carpel of same, x 20. Fig. ection of carpel of A. 
‘hirsuta, < 20. Fig. 17, Section of carpel of A. dentata, << 20, Fig. 18, See- 
BRIEFER ARTICLES. 
Carex notes.—Carex glaucodea Tuckm., which W. Boott, Esq., has re- 
cently referred to C. grisea, has an even, strongly curved style, completely 
separating it from the latter, and also from (. flaccosperma, which has an 
even, straight style. “ Bulbous thickened ” does not accurately describe 
the style of ©. grisea, as it is often merely thickened above the base as in 
©. oligocarpa. But this character is sufficiently marked to disconnect it 
