814 DESCRIPTIONS OF NEW SPECIES 
GRINDELIA. (Willd.) 
- Coaetins us * robusta; herbaceous, smooth ; leaves iene obtuse, am- 
Aeseanle, coarsely serrate, scabrous on the margin, the upper ones acute, 
nearly entire; capituli corymbose, involucrum squarrose and leafy at base; re- 
ceptaculum paleaceous near the margin, pappus of two sete. 
Has. St. Pedro, Upper California. Flowering in April. A very stout and robust species, about 
eighteen inches high, apparently biennial, very smooth; leaves about an inch broad, an inch and a 
half long. Rays forty to fifty, flowers very large, more than twice the size of those of G. squar- 
7080, which this species much resembles, but the leaves are broadest at the base. nom hirsute, 
pointed, —_— exserted. 
=- 
Grins” Wir gil saat or pnbelicie ences a biennial ; 1) stém vir- 
gate, cylindric, tall and slender, branching towards the summit, branches 
- mostly one-flowered, fastigiate; leaves linear-oblong, or oblong-lanceolate, very 
acute, entire, or serrulate, semiamplexicaule; involucrum glutinous, the lower 
_ sepals — attenuated and =preagine: rays neuter, pappus of two to three 
sete. 
Has. Boreas of oni near Fort Caescnes, &es Nearly related to the G. -intignifsll but 
the leaves are narrow, not ovate, and resemble those of a willow. Stem slender, twiggy and 
tough, three to four feet high, terminating in about five or six flowers, about the size of those of 
G. squarrosa. Leaves about three inches long, half an inch wide, above, all entire, diminishing 
much in size on the branchlets, pungently acute. Radical leaves spathulate-linear, Allied to G. 
stricta, Decanp., but with a squarrose involucrum, | 
se ahoteg * nana; are smooth and casted punctate; many low, 
Ov rymb; leaves narrow iniiodolate or oblong, sessile, narrowed be- 
ge tose of the branches near the flower often minute, entire; sepals 
with short, reflected tips, which ds escend to the branch; rays few, (sixteen, ) 
scarcely styliferous: pappus of ¢ t two sete. 
Has. With the above. Nearly allied to G. humilis of Hoox. and Arn. 8. *inlegrio leaves 
pees entire, involucrum globular, squarrose to the base. 
Ons.—Scareely a foot high, usually decumbent, or r aesaryent Tower leaves 
often incisely serrate, linear-lanceolate, narrowed below. Rays a little longer 
than the disk; involucrum glutinous. In the entire leaved variety the leaves - 
are smooth on the margin; perhaps a distinct species; allied to G eke 
of Decandolle. - | cL 
Ce 
