Daucus.) UMBELLIFERAE. 145 
small, 2—3 under each oars and 4—8 on the commissural face. Seed 
flat on the inner side, with 3 low ridges on the outer, closely surrounded 
by the endocarp. Carpophore sting to the base, its divisions filiform. 
Sterile flowers mostly in smaller umbels which rise from short axillary 
shoots of the 2 or 3 uppermost Sciul ‘icdbaia longer than the petals. 
Styles short, erect. f 
M kai! Koolaupapa int Waikolu. Nat. name: «Makou». The root is used by the 
natives as a medicine in some diseases of children 
var. Leaves is the lateral leaflets Meade almost orbicular, the 
terminal obovate, tricuspid. 
Maui! ridges of Wailuku and Waiehu. 
In placing this and no een species under a Ihave been guided more 
by geographical than technical considerations. While the greater number of vittae, 
2—4 for each ralecae, # peas nents toward Ferula, aa occurrence on our Islands 
of mow belon nging a genus which, under present limitation, is confined to Europe, 
On th 
: 
often ‘h a single one, our new species may help to efuce completly the 
yobs Sisthatinct boundary line bee tween the two genera an merge Ferula into 
ucedanum. From the N. Ameri can Leptotaenia, Nutt., which ek and Watson (Bot. 
Calif I, 271) unite with Ferula, our plants differ in the thin and sharp wings of the fruit. 
2. P. Kauaiense, s — Ultimate divisions of leaves larger, rhom- 
boidal with a eccueate a or deltoid with a truncate base, often broader 
than high, 4‘ broad aboye the base, sharply and deeply serrate. In- 
volucral bracts linear, 6’; those of the involucel 3“. Rays and raylets 
30—35, the latter 4—6” long. Calycine teeth '/s—1/2 the length of the 
Ovary. Styles twice as long as in the former species. Fruit 7“  3—31/2“, 
the ribs partly buried under the suberous tissue which fills up the 
vallecules. Oil-tubes 3—4 to each vallecule and about 12 on the com- 
missural side. 
Kauai! mountains of Waimea (Knudsen). 
73. P. graveolens, Benth. d Hook. Gen. Plant. I, 919. — An annual, 
2—4 ft. high. Stem striate. Leaves 3 or 4 times pinnatisect, the ultimate 
Segments linear or filiform. Petiole dilated, but not ergs the sheath 
margined with a scarious wing and e above in two auricles. In- 
volucre and involucel wanting. Calpe: teeth obsolete. Pots strongly 
volute, yellow. Fruit elliptical, 2—3” long, with rather convex faces 
and the 3 dorsal ribs somewhat prominent, the wings less than 1/s of its 
Width. Qil-tubes 1 in each hams ~ = iegiee E sdoeesss cate at 
© Dill, of ragieme eee origin, must hav o? 
for it has become a common weed in cart paste, yuan on E. Maui. 
4. DAUCUS, Tourn. 
Calyx 5-toothed. Petals inflected, emarginate, often radiant (the outer 
ones longest). Disk flat. Fruit ovoid or oblong, the carpels scarcely 
Hitlebrand, Flora of the Hawaiian Islands. 
