RMPG23FR–. A manual of weeds : with descriptions of all the most pernicious and troublesome plants in the United States and Canada, their habits of growth and distribution, with methods of control . Weeds. ILLECEBRACEAE (KNOTWOST FAMILY) 133 and whitened under-surface specked with minute black dots. Flowers very small, scarcely a twelfth of an inch broad, in clusters of two to six on very slender peduncles; calyx, funnel- shaped, five-ribbed and five-lobed, white or purple; stamens five or fewer, exserted. The single seed is about an eighth of an inch long, shaped like a reversed pyramid, the sides str
RMRD9WG4–. A manual of weeds : with descriptions of all the most pernicious and troublesome plants in the United States and Canada, their habits of growth and distribution, with methods of control . Weeds. ILLECEBRACEAE (KNOTWOST FAMILY) 133 and whitened under-surface specked with minute black dots. Flowers very small, scarcely a twelfth of an inch broad, in clusters of two to six on very slender peduncles; calyx, funnel- shaped, five-ribbed and five-lobed, white or purple; stamens five or fewer, exserted. The single seed is about an eighth of an inch long, shaped like a reversed pyramid, the sides str