AMMIACEAE 873 
or nearly so; ribs mostly winged, 7 of them prominently winged, the other 3 sometimes 
nearly wingless. 
In woods and on banks, Ontario to Minnesota, Florida and Arkansas. Spring and summer.—7. 
barbinode Chapmánii Coult. & Rose. has more finely divided leaf-segments and puberulent; fruit; it 
occurs in southern Georgia and northern Florida. 
3. Thaspium pinnatifidum (Buckl.) A. Gray. Often finely pubescent. Stems 5-12 
dm. tall, more or less widely branched : leaf-blades 5-15 cm. long, once to twice ternately 
compound ; basal longer than the rest ; segments 1-2-pinnatifid, rather delicate, suggesting 
those of leaf-blades of many FUMARIACEAE: umbels peduncled, 2-4.5 cm. broad ; rays 
7-14, usually quite uniform in length : corolla light yellow, 2.5-3 mm. broad : fruit o 
long, barely 5 mm. long, all ribs winged, 3-5 of the wings commonly narrower than the rest. 
In woods and copses, North Carolina to Kentueky and Tennessee. Spring and summer. 
34. CONIOSELINUM Hoffm. 
Perennial, caulescent herbs, with glabrous foliage. Leaves alternate: blades 2-3 pin- 
nately decompound, the alternate segments narrow, incised or lobed. Flowers perfect, in 
compound umbels. Involucres and involucels of several narrow bracts or the former 
wanting. Hypanthium truncate. Corolla white : petals inflexed at the tip. Disk with a 
round-conic stylopodium. Fruit longer than broad, dorsally flattened : carpels with the 
dorsal and contiguous ribs prominent and the lateral ones winged : oil-tubes 2-3 in the inter- 
vals, and 4-8 in the inner face. HEMLOCK PARSLEY. 
l. Conioselinum Chinénse (L.) B.S.P. Stems 5-15 dm. tall, simple or sparingly 
branched above : leaf-blades twice compound, the lower long-petioled, the upper short-peti- 
oled or nearly sessile ; segments acute, incised : umbels peduncled, 5-10 cm. broad: bracts 
narrow or wanting : rays 9-20, slender, 2-4 cm. long: pedicels 6-8 mm. long : corolla white, 
3-4 mm. broad : fruit oval or oblong-oval, 4-5 mm. long, rather prominently winged, the 
faces prominently ridged.  [C.(?) Canadense T. & G.] 
In swamps and on wet cliffs, Labrador to Minnesota, New York and Indiana and in the mountains 
to North Carolina. Summer and fall. 
35. ANGELICA L. 
Perennial caulescent heavy-scented herbs. Leavesalternate: blades pinnate or decom- 
pound : leaflets usually toothed. Flowers perfect, in compound umbels. Involucres and 
involucels present or wanting. Hypanthium truncate, or sepals small. Petals white or 
greenish, broadest above the middle, inflexed at the tip. Disk with a rounded stylo- 
podium. Fruit longer than broad, dorsally flattened : carpels with the dorsal and contigu- 
ous ribs prominent, and broadly winged lateral ribs: oil-tubes solitary or several in the 
intervals and 2-10 in the inner face. ANGELICA. 
Peduncles and rays pubescent. b Ab teste 
Peduncles and rava glabrous. isii 
Leaflets thin ; Ìobes ascending : oil-tubes 1-3 in each interval. 2. A. Curtisii. 
Leaflets leathery ; lobes spreading : oil-tubes about 20, contiguous and continuous. 8. A. dentata. 
l. Angelica villósa (Walt.) B.S.P. Foliage glabrate below, tomentose above. 
Stems 6-18 dm. tall, commonly branching above: leaf-blades once or twice ternately com- 
pound: leaflets thickish, oblong, oblong-lanceolate or oval, 2-5 cm. long, serrate : umbels 
dense, becoming looser, 3-8 cm. broad: rays 7-30, 2-5 cm. on pedicels slender, 3-4 
mm. long: corolla white: fruit oval or obovate, 5-6 mm. long, finely pubescent, broadly 
winged ; oil-tubes generally 3-6 in each interval. [A. hirsuta Muhl.] 
In rocky woods and dry soil, Connecticut to Minnesota, Florida and Tennessee. Summer. 
2. Angelica Curtisii Buckl. Foliage glabrous, at least below. Stems 6-18 dm. tall, 
commonly branched above: leaf-blades twice ternately compound, 1-4 dm. long, long- 
petioled : leaflets thinnish, ovate to lanceolate, sharply serrate or incised, acuminate : 
umbels 5-15 cm. broad: rays 12-25, ascending, 3-10 cm. long: pedicels 6-12 mm. long : 
corolla greenish : fruit oblong or oval, 4-6 mm. long, broadly winged, glabrous, notched 
at the base ; oil-tubes mostly solitary in the intervals. 
In woods on mountain slopes and summits, Pennsylvania to Georgia. Summer and fall. 
3. Angelica dentàta (Chapm.) Coult. & Rose. Foliage glabrous to the inflorescence. 
Stems 5-10 dm. tall, simple or branching above : leaf-blades ternately compound : petioles 
longer than the blades: leaflets rather remote; thickish, oblong to lanceolate, acute, 1-2.5 
mm. long, incised or incised-serrate: umbels solitary or few, 3-8 cm. broad: rays 5-12, 
1-4 em. long: corolla white: fruit oval, 5-6 mm. long, glabrous or minutely pubescent, 
broadly winged ; oil-tubes about 20, continuous, 8 on the commissural side. 
In dry pine lands, Florida. Summer. 
