64 ? 
Chilénsis, Feuill. obs. 2. p. 757. t. 43. Petals yellow. Scales 
red. Herb erect, 4 feet high. The leaves are often alternate. 
Acanthus-leaved Loasa. Pl. 4 to 5 feet. 
14 L. Ruizrana ; leaves opposite, ovate, coarsely serrated, 
hoary from down, petiolate ; peduncles axillary and terminal, 1- 
flowered ; calycine segments acute, much shorter than the petals, 
which are cucullate. ©. H. Native of Peru. L. incana, Ruiz 
et Pav. fl. per. vol. 5. t. 441. ined. (v. s. herb. Lamb.) 
Ruiz’s Loasa. Pl. 1 foot. 
15 L. scrarrmroria (Juss. l. c. 5. p. 25. t. 1. f. 1.) leaves 
ovate-oblong, sinuately lobed; lobes acute, toothed ; upper 
leaves sessile; pedicels solitary, 1-flowered in the forks of the 
stem ; calycine lobes oblong, acuminated, shorter than the pe- 
tals. ©.H. Native of Chili, where it is called Urtica brava, 
Tratt. t. 22. Scales emarginate at the apex. 
Sclary-leoved Loasa. Pl. tr. 
16 L. Pra‘cer (Lindl. in hort. trans. 6. p. 97.) leaves cordate 
at the base, many lobed: upper ones sessile ; pedicels axillary ; 
sepals hardly toothed, reflexed, length of petals ; the wings of the 
corona sessile, and quite entire; the longest of the stamens as 
long as the petals; style bent, longer than the stamens ; capsule 
obovate, shorter than the reflexed sepals. ©.H. Native of 
Chili. L. acanthifolia, Ker, bot. reg. t. 785. but not of Juss. 
Flowers yellow, with red scales. 
Place’s Loasa. F]. June, Sept. Clt. 1822. Pl. 4 to 6 feet. 
17 L. cranpiriora (Lam. dict. 3. p. 580.) lower leaves oppo- 
site; upper ones alternate, cordate at the base, 5-lobed ; lobes 
deeply toothed ; flowers axillary and terminal, on long pedicels ; 
lobes of calyx acuminated, shorter than the petals rO Els oNa= 
tive of Peru. Juss. ann. mus. 5. p. 26. t. 4. f. 2. Tratt. tab. t. 
29. Ruiz et Pav. fl. per. 5. t. 440. Lower leaves on long, and 
upper on short petioles. Flowers yellow. Scales oblong, 2- 
lobed, not appendiculate on the outside. 
Great-flowered Loasa. Fl. Ju. Sept. Clt. 1825. Pl. 2 to 3 ft. 
18 L. rrorisu’npa (Hook. et Arn. in bot. mise. 3. P- 239.) 
root simple, fusiform ; stem short, with a loose epidermis, simple 
beneath the inflorescence, but much branched and panicled 
above; leaves oval-oblong, petiolate: cauline ones opposite, 
sinuately lobed, coarsely toothed, cordate at the base: lower 
floral ones alternate, sinuately lobed : upper floral ones smaller, 
cuneated at the base, toothed or quite entire; pedicels short, 
rising from the forks of the stems ; calycine lobes elliptic, acute, 
attenuated at the base, shorter than the apiculated petals; scales 
furnished with 3 appendages each on the back above the middle. 
©. H. Native about Valparaiso, and on the Cordillera of Chili. 
Bundle-flowered Loasa. PI. 1 foot. 
*#* Leaves alternate. 
LOASE#, 
19 L. Loxr’ysis (H. B. et Kunth, nov. gen. amer. 6. p. 116.) 
leaves alternate, and nearly opposite, ovate-oblong, 3-5-lobed ; 
lobes irregularly toothed ; middle lobe very large; flowers ter- 
minal and axillary, somewhat racemose ; lobes of calyx ovate, 
acuminated, 3-nerved. h. S. Native of Peru, near Loxa. 
Leaves white beneath. Flowers yellow. Scales rounded at the 
apex, drawn out into a lobe at both ends. Herb suffruticose 
branched. 
Loxa Loasa. Shrub. 
20 L. arcEmonoipes (Juss. ann. mus. 5. p- 26.) leaves cor- 
date, sinuately lobed, tomentose on both surfaces, white beneath ; 
flowers terminal and axillary, pedicellate ; lobes of calyx lanceo- 
late, one-half shorter than the petals. X.S. Native of South 
America, near Santa Fe de Bogota. Humb. et Bonpl. pl. equin. 
1. p. 53. t.15. H. B. et Kunth, nov. gen. amer. 6. p. 26. Tratt. 
tab. t. 30. Flowers nearly 3 inches in diameter. Scales bifid, 
furnished with 2 acute lobes, which are gibbous at the base. 
Argemone-like Loasa. Pl. 6 to 10 feet. 
III. Loasa. 
21 L. raxnuNcuLIròLIA (Humb. et Bonpl. pl. equin. 1. p. 50, 
t. 14.) leaves all alternate, somewhat orbicular, cordate, toothed, 
clothed with yellowish tomentum above, and silky white tomen- 
tum beneath; flowers terminal and axillary, somewhat race- 
mose ; lobes of calyx ovate-lanceolate, acute. 4. S. Native 
of Peru, on the Andes near Caxamarca. H. B. et Kunth, nov, 
gen. amer. 6. p. 117. Tratt. tab. t. 27. Flowers large, yellow, 
Scales bifid, bigibbous at the base. 
Crow-foot-leaved Loasa. Pl. 2 feet. - 
22 L. inca‘na (Graham in edinb. phil. journ. Oct. 1830.) 
plant suffruticose, reddish, erectish; leaves scattered, petiolate, 
ovate-lanceolate, hoary, deeply serrated, scabrous ; peduncles 
1-flowered, opposite the leaves. h.G. Native of Peru, from 
Yazo to the valley of Canta. Corolla white. Whole plant 
covered densely with harsh barbed white hairs, intermixed by a 
few stinging ones. Cuticle papery, and pealing off. 
Hoary Loasa. Fl. Oct. Nov. Clt. 1830. Pl. 2 feet. ; 
23 L. XantunròLa (Juss. l. c. t. 2. f. 1.) leaves petiolate, 
cordate, oblong, acute, coarsely toothed ; pedicels extra-axillary ; 
lobes of calyx oblong, hardly acute. ©. H. Native of Peru. 
Flowers small, yellow. Stems a foot and halfhigh. Trat. tab. t.26. 
Xanthium-leaved Loasa. Pl. 14 foot. : 
24 L. cuenoropiréria (Lam. dict. 3. p. 550.) leaves petiolate, 
somewhat ovate, deeply toothed ; racemes loose, leafy, terminal; 
flowers drooping. ©. H. Native of Peru. Perhaps a mere 
variety of the preceding, according to Juss. ann. mus. 5. p. 26. 
Goosefoot-leaved Loasa. PI. 1 to 2 feet. 
25 L. parvirzora (Schrad. pl. rar. bras. ined. ex D. C. prod. 
3. p. 342.) leaves on long petioles, ovate-cordate, sinuately 3-7- | 
lobed, hairy ; flowers racemose ; racemes extra axillary, few- — 
flowered, shorter than the leaves ; lobes of calyx acutish. ©. H. 
Native of Brazil, in the provinces of the Mines. Peduncles 
and calyxes bristly. Flowers with white petals and brown 
scales. Bristles or sterile stamens at back of scales white. 
Small-flowered Loasa. PI. trailing. 5 a 
26 L. a’spera (Ruiz et Pay. fl. per. 5. t. 441. b.) hispid; 
leaves alternate, angularly lobed, and coarsely toothed ; pedun- 
cles solitary, lateral ; calyx long, very hispid ; calycine segments 
ovate, longer than the petals. ©.H. Native of Peru. 
Rough Loasa. Pl. 1 to 2 feet. 
27 L. amprostzrén1a (Juss. 
l. c. t. 4. f. 1.) leaves petiolate, 
bipinnatifid; lobes and lobules 
bluntish; pedicels extra-axil- 
lary ; lobes of calyx lanceolate- 
linear, acute, shorter than the 
petals. ©. H. Native of Peru. 
Stem a foot high, hardly branch- 
ed. Herb beset with yellowish 
prickles. Flowers yellow, an 
inch in diameter. Tratt. tab. t. 
31. Scales bifid, not appendi- 
culate on the outside. 
Var. B, hispida (D. C. prod. 
3. p. 342.) lobes of leaves very 
numerous, broader and more 
crowded. Loàsa ùrens, Jacq. 
ous. 2. p. 15. t. 33. Lam. dict. 3. p. 578. Tratt. tab. t. 32 
L. hispida, Lin. syst. ed. 12. p. 364. L. bipinnatífida, Ruiz et 
Pav. fl. per. 5. t. 439. ined. 
Ambrosia-leaved Loasa. P]. 1 foot. 
28 L. vorv'sinis (Juss, l.c. t. 5. f. 1.) leaves alternate and 
opposite, bipinnatifid; lobes linear, obtuse; flowers termin 
and axillary, pedicellate; lobes of calyx a little toothed, one | 
half shorter than the petals; stem twining. ©. H. Native o 
Chili, near Conception, in sandy places; and of Peru. Tratt, tab’ 
