. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian. Botany. Genus io. CARROT FAMILY 1. Pseudotaenidia montana Mackenzie. \'irginia Mountain Pimpernel. Fig. 3116. Pseiuiolaenidia montana Mackenzie, Torreya '59. 1903. Stems striate, 2l° tall, or less. Leaves 2-3- ternate, the segments ovate to oblong-lanceo late or oblanceolate, i'-iV long, strongly veined beneath; petioles dilated and sheathing; peduncles 2l'-&' long; umbel
. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian. Botany. Genus io. CARROT FAMILY 1. Pseudotaenidia montana Mackenzie. \'irginia Mountain Pimpernel. Fig. 3116. Pseiuiolaenidia montana Mackenzie, Torreya '59. 1903. Stems striate, 2l° tall, or less. Leaves 2-3- ternate, the segments ovate to oblong-lanceo late or oblanceolate, i'-iV long, strongly veined beneath; petioles dilated and sheathing; peduncles 2l'-&' long; umbel-rays 8-12, the longer up to il' long; rays of the umbellets ii"-ii" long; fruit 2\"-2" long, 2" wide. Mountains of Virginia and West Virginia. Leaves almost the same as those of Taenidia in- icgerrima. Flowers have not yet been II. COGSWELLIA Spreng.;. Roem. & Schultes, Syst. Veg. 6: XLVIII. 1820. [LoMATiuM Rat. Journ. Phys. 89: loi. 1819. Xot Lomatia R. Br. 1810.] Perennial herbs, acaulescent or nearly so, from thick fusiform or tuberous roots, with teinate, pinnate, or in our species bipinnate or finely dissected leaves, and compound umbels of white or yellow flowers. Involucre none. Imolucels of several or numerous bracts. Calj-x-teeth mostly obsolete. St>'lopodium depressed or none. Fruit oval, oblong or orbicular, glabrous or pubescent, dorsally compressed. Carpels with filiform dorsal and intermediate ribs, the lateral ones broadly winged; oil-tubes 1-4 (rarely more) in the intervals, 2-10 on the commissural side. Seed-face flat or slightly concave. [Name in honor of Cogswell.] About 60 species, of western North America. Type species: Cogswellia villosa (Raf.) Spreng. The species of this genus were previously referred to the Old World Peucedanum and their specific names wrongly applied. Flowers white or pinkish. i. C. orientalis. Flowers yellow. Fruit glabrous ; involucel-bracts united. 2. C. daucifolia. Fruit finely pubescent
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
