CACALIOPSIS COMPOSIT A 369 
LUINA 
Common along mountain streams, California to Alaska Newfoundland 
Massachusetts New York and Wisconsin. 
P. nivalis Greene Pitt. ii, 18. ‘‘ Rootstocks slender, matted, scarcely 
subterranean: leaves 6-10 inches high ; lamina 3 to 6 inches long, of round- 
reniform or broadly cordate-ovate outline, 5-parted, the sinuses oblong and 
closed, the segments of broadly cuneate-obovate circumscription, deeply 
3- to 5-lobed, tbe lobes with a few coarse angular mucronate spreading 
teeth; lower face of leaves silky-tomentose, upper glabrous, deep green: 
scapes about a foot high; heads a dozen or more, racemosely arranged and 
long-peduncled.’’ Along streamlets, Mount Rainier Washington. 
79 CACALIOPSIS Gray Proc. Am. Acad. xix, 50. 
Perennial herbs with palmately lobed leaves and rather large 
heads of yellow flowers. Heads many-flowered, discoid, of wholly 
hermaphrodite and fertile flowers. Involucre hardly herbaceous, 
simple, of carinately 1-nerved bracts. Corollas rather deeply 
5-cleft, the cylindraceous throat rather longer than the slender 
tube. Anthers much exserted, with lanceolate tips and entire base. 
Style -puberulent for some distance below the slightly flattish 
branches. Achenes linear, glabrous, 10-striate. Pappus very co- 
pious, soft and white, equalling the corolla. 
C. Nardosmia Gray 1. ec. Floccose-woolly, at length glabrate: stems 
stout; 2-4 feet high, 2-3-leaved and bearing several loosely paniculate heads : 
leaves alternate, long-petioled, round-cordate to fan-shaped, 5-9-cleft, or 
rarely parted. the lobes or divisions rather broad, incisely dentate or lobed: 
heads an inch high, discoid; bracts of the campanulste involucre 12-30, 
lanceolate-linear, acuminate, a little shorter,than the disk : coroilas yellow. 
Open Pine woods, Washington to California. 
80 LUINA Benth. Hook. In. Pl. t. 1139, 
Low herbs with simple stems, alternate entire leaves and small 
heads of yellow flowers. Heads about 10-flowered, homogamous, 
of wholly hermaphrodite and fertile flowers. Involucre of 10-12 
dry and rather rigid -1-nerved equal bracts. Corollas with slen- 
der tube and funnelform 5-lobed limb. Anthers much exserted, 
sagittate at base. Style glabrous, its flattened and linear branch- 
es obscurely pappillose on the back, very obtuse. Achenes_ ob- 
securely 10-striate, glabrous. Pappus of numerous soft white 
bristles equalling the corolla. | 
L. hypoleucea Benth. 1. c’ Stems simple, few or many from a stout woody 
rootstock, white with appressed tomentum, 6-12 inches high, leafy up to the 
corymbiform cyme of several small heads: leaves ovate or oval, sessile, entire, 
an inch or less long, rather coraiceous, the upper face green and glabrate, the 
lower densely white-tomentose: involucre 4 lines high, nearly equalling the 
light yellow corollas. On cliffs and rocky places in the mountains, Brit. Co- 
lumbia to California. 
81. RAINIERIA Greene Pitt. iii, 291. 
. “Stoutish upright milky-juiced perennial, with the aspect and 
inflorescence of a Nabalis, but more nearly the characters of Mes- 
adenua. Heads racemose, 2 or 3 in the axil of each small bract. 
Involucre simple, cylindric, of 4to 6 firm erect bracts. Recepta- 
