€18 Lxxi. COMPOSITE. [Co-epis 



4. C. Dumicola Hiern, sp. n. 



An erect, hispiduloiis, grey-green, sturdy herb, 10 to 14 in. 

 high ; root terete, ^ in. thick, apparently biennial or perennial ; 

 stem solitary, straight or slightly sinuous, striate, simple or 

 bipartite, somewhat leafy ; lower leaves rosulate, obovate not or 

 scarcely lobed, doubly denticulate, rounded or apiculate at the 

 apex, wedge-shaped to the petioliform clasping base, 2 to 3^ in. 

 long by f to 1|- in. broad, the toothlets shortly aculeiform ; 

 stem-leaves smaller, rather few, suberect, oblong or lanceolate, 

 sessile, clasping ; capitula cylindrical-oblong in flower, campanu- 

 late in fruit, f in. long, 6 to 10-flowered, on unequal scabrid 

 pedicels ranging up to 1^ in. long or less, arranged in a dense or 

 rather lax narrowly oblong bracteate cyme terminating the 

 quasi-pedunculiform stem, the lower bracts foliaceous, the upper 

 smaller; involucral scales imbricate, paueiseriate, obtuse, from 

 ovate to sublinear, nearly glabrous, slightly and minutely 

 glandular on the back, thinly coriaceous, narrowly scarious on 

 the margin, the inner ones the longest and thinnest, elongated in 

 fruit; corollas rather exceeding the involucre; achenes ovoid- 

 oblong, I in. long, at length not compressed, obtusely angular, 

 suboblique, deeply furrowed, ribbed, minutely wrinkled, reddish- 

 brown (in the dry state), obtusely and obliquely nai-rowed at the 

 base, contracted at the apex into a very short beak ; pappus i in. 

 long, copious, whitish, somewhat spreading, setose ; the setse 

 slender, only microscopically barbellate ; receptacle foveolate. 



HuiLLA. — In thickets on the right bank of the Lopollo stream ; 

 fi. and fr. Nov. and Dec. 1859. No. 3651. 



5. C. ambacensis Hiern, sp. n. 



An erect perennial herb, about 2|- ft. high; root tuberous, 

 milky ; stem purple, terete, simple up to the inflorescence, leafy 

 and puberulous below, subglabrous and naked or nearly so about 

 the middle, corymbosely branched at the terminal inflorescence ; 

 leaves narrowly oval-oblong, alternate, undivided, closely den- 

 ticulate, apiculate at the apex, not much narrowed to the sessile 

 more or less auriculate clasping base, glaucescent, glabrous or 

 nearly so except along the hispid midrib, 1| to 3 in. long by ^ to 

 I" in. broad; capitula 10- or 11 -flowered, campanulate-oblong, 

 ^ to § in. long, glabrous, on short unequal puberulous pedicels, 

 arranged in a rather lax terminal cyme 4 to 5 in. in diameter ; 

 involucral scales pluriseriate, imbricate; the inner ones linear- 

 lanceolate, obtuse, about ^ in. long, 8, biseriate, glabrous or 

 nearly so, somewhat thickened at the base ; the outer scales 

 shorter ; flowers blue, about ^ in. long ; achenes f in. long 

 including the pappus, or -f^ in. excluding the pappus, subfusiform, 

 often obliquely so, scarcely at all compressed, longitudinally 

 ribbed, attenuate at the apex into a short beak of ^^ in. long, 

 nearly glabrous or minutely hispidulous ; pappus whitish, slightly 

 coloured, copious, setose, the setae minutely barbellate. 



Ambaca. — In thickets on a clay soil near Pari Cacarambola, 

 sparingly ; fl. and fr. Oct. 1856. No. 3663. 



