AND GENERA OF PLANTS. 425 
§. 1. Canocazais, (Decand.)—Involucrum with the external series shorter and 
unequal. Fruit in all the florets similar, and with a long rostrum. 
Uropappus Lindleyi. Calais Lindleyi, Decanp. Prod., Vol. VIL, p. 85. 
Has. On the north-west coast of America. 
Uropappus linearifolius. Calais linearifolius, Decanp., Vol. VIL, p. 85. 
Exclude the synonym of aes Heel ? glaucum of Hooker, which appertains 
to the following genus. 
Has. This plant I have met with, both at St. Barbara, and St. Diego, Upper California. Oss. 
Leaves very long and narrow, linear, the lower often irregularly laciniate, or more or less pinnatifid, 
with slender segments. Flowers yellow and small. Pedicels six inches to a foot long; the stem 
frequently branched from the base. Pappus of a silvery whiteness, and very shining, the awn 
much shorter than the pales. Achenium black, tibbed, and transversely striate, but smooth, and 
with a longish rostrum ; the fruit all similar. — Sepals fro eight to twelve, with four or five other 
shorter external ones. fs é nae 
Uropappus * grandiflorus; leaves (as in the preceding) long and linear, the 
lower often laciniately pinnatifid, with filiform segments, the upper entire; at 
first often tomentosely ciliate at base; stem branching, pedicels very long; pin- 
volucrum of ten to fifteen leaves, the outer shorter; achenium slightly striate 
or lined, scabrous with minute hairs, and with a very long rostrum, . 
Has. With the above, which it wholly resembles, except in the larger capitu Tikes on 
very slender, scabrous achenium, and the shorter proportion of the bristles of the pappiis. Sepals, 
as in all the other species, eee and acuminate. 
§. 1. * Bracnycarpa.—Achenium somewhat attenuated, are voce trans- 
versely rugose; the fruit of the outer series (five or siz) hirsute, all deeply stri- 
ate; the bristles of the pappus as long as the scale. 
Uropappus + heterocarpus; stem short and few-flowered, often scapoid; leaves 
long and linear, at first a little hirsute; longer sepals about eight, ce: or four 
shorter. 
Has. St. Diego, Upper California. About half a foot high, with the leaves entire, Gente a 
line wide, attenuated at both ends; pedicel long, resembling a scape. Flowers pale yellow and 
small. Achenium long and cylindric, but not properly rostrate. Palee straw colour, the bristles 
distinctly scabrous, and about the same | 
Vil.—5 G 
