COULTER AND ROSE—NORTH AMERICAN UMBELLIFERAE. 141 
‘Stout glabrous seacoast perennials (puberulent in the inflorescence), 
with 2 to 3-ternate leaves on 
very large inflated petioles, 
few-leave deciduous involu- 
cre, involucels of numerous 
small linear-lanceolate bract- 
lets (sometimes conspicuous 
or even like the leaves), and 
greenish-white flowers in 
many-rayed umbels. 
Type species, Archangelica NA 
gmelini DC. Prod. 4: 170. Fic. 44,—Coelopleurum longipes: a, x 6; b, x 8. 
1830. | 
A genus of 4 or 5 species belonging to the northern coasts of North 
America and adjacent Asia. 
Fruit with lateral ribs broader than the others; northwestern coast. 
Leaflets acute or acuminate. 
Fruit large, about 9 mm. long; Alaskan..--.-.----------------- 1. C. gmelini. 
Fruit smaller, 4 to 6mm. long; Washington and northward... .- 2. C. longipes. 
Leaflets obtuse; Washington ..........-----------------+------ 3. ©. maritimum. 
Fruit with equal ribs; northeastern coast .....------------------ 4. C. actaeifolium. 
1. Coelopleurum gmelini (DC.) Ledeb. Fl. Ross. 2: 3861. 1844. 
_ Archangelica gmelini DC, Prodr. 4: 170, 1880. 
Densely puberulent in the inflorescence; inflated petioles very large, 
terminating above in two very obtuse lobes; leaflets thickish and 
strongly reticulate beneath, ovate (often broadly so), acute, with acute, 
obtuse, or cordate base, irregularly serrate or toothed, 3 to 6 cm. long, 
2.5 to 5 em. broad; rays 2.5 to 7.5 em. long; pedicels 6 to 10 mm. 
long; bractlets numerous and very conspicuous, often much longer 
than the flowers, linear to lanceolate, and with a long acumination; 
fruit oblong, about 9 mm. long, the lateral ribs somewhat broader 
than the others (not so broad as in CL marétimum). 
Type locality, ‘tin Kamtschatka.” 
Alaska. 
Specimens examined : 
Auaska: Unalaska, Harrington, in 1871-72; Nuohagak, McKay, in 1881; St. Paul 
Island, J. M. Macoun, July 28, 1891; same station, Merriam, August 7, 1891; 
Khantook Island, near Yakutat Bay, Funston 44, June 26, 1892; Dutch Har- 
bor, Unalaska, True & Prentiss 136, 138, 139, 142, August 28-29, 1895; Point 
Gustavus (Glacier Bay), Kukak Bay, Unalaska, St. Mathew, Kadiak, and 
Foggy Bay, near Cape Fox, Coville & Kearney 720, 1628, 1719, 2090, 2284, 
2558, June 10-July 27, 1899; Popof Island, Kincaid, July 8-19, 1899; Yaku- 
tat Bay, Kadiak, Unalaska, Trelease 4529, 4536, 4539, June 22-July 8, 1899. 
The mature fruit supplied by the Harrington specimens collected by Coville & 
Kearney has enabled us to dissociate the Alaskan C. gmelini from the other American 
forms that have heretofore been confused with it. 
In our previous Revision (p. 90) two doubtful plants were mentioned under this 
