LOASEjE. III. LOASA. 



Chilensis, 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. 



1 4 L. RUIZI'ANA ; 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. Q. H. Native of Peru. L. incttna, Ruiz 

 et Pav. fl. per. vol. 5. t. 441. ined. (v. s. herb. Lamb.) 



Ruiz's Loasa. PL 1 foot. 



15 L. scLAREjEFOLiA (Juss. 1. 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-leaved Loasa. PL tr. 



16 L. PLA'CEI (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. O- H. Native of 

 Chili. L. acanthifolia, Ker, hot. reg. t. 785. but not of Juss. 

 Flowers yellow, with red scales. 



Place's Loasa. FL June, Sept. Clt. 1822. PL 4 to 6 feet. 



17 L. GRANDIFLORA (Lam. diet. 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. H. Na- 

 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. FLORIBU'NDA (Hook, et Arn. in bot. misc. 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. 

 O- H. Native about Valparaiso, and on the Cordillera of Chili. 



Bundle-homered Loasa. PL 1 foot. 



* * Leaves alternate. 



19 L. LOXE'NSIS (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. Tj . 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. ARGEMONOIDES (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. I/ . S. Native of South 

 America, near Santa Fe de Bogota. Humb. et Bonpl. pi. equin. 

 1. p. 53. 1. 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. 



21 L. RANCNCULIFOLIA (Humb. et Bonpl. pi. 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. I/ . 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 V 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. ^ . 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. XANTHIIFOLIA (Juss. 1. c. t. 2. f. 1.) leaves petiolate, 

 cordate, oblong, acute, coarsely toothed ; pedicels extra-axillary ; 

 lobes of calyx oblong, hardly acute. O- H. Native of Peru. 

 Flowers small, yellow. Stems a foot and half high. Trat. tab. t. 26. 



Xanthium-leaved Loasa. PL 1^ foot. 



24 L. CHENOPODIFOIIA (Lam. diet. 3. p. 550.) leaves petiolate, 

 somewhat ovate, deeply toothed ; racemes loose, leafy, terminal ; 

 flowers drooping. Q. H. Native of Peru. Perhaps a mere 

 variety of the preceding, according to Juss. ann. mus. 5. p. 26. 



Goosefoot-leaved Loasa. PL 1 to 2 feet. 



25 L. PARVIFLORA (Schrad. pi. 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. O-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. PL trailing. 



26 L. A'SPERA (Ruiz et Pav. fl. per. 5. t. 441. i.) hispid; 

 leaves alternate, angularly lobed, and coarsely toothed ; pedun- 

 cles solitary, lateral ; calyx long, very hispid ; calycine segments 

 ovate, longer than the petals. Q. H. Native of Peru. 



Rough Loasa. PL 1 to 2 feet. 



27 L. AMBROSI^lFOLIA (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. O- 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. ft, hispida (D. C. prod. 

 3. p. 342.) lobes of leaves very 

 numerous, broader and more 

 crowded. Loksa urens, Jacq. 

 obs. 2. p. 15. t. 33. Lam. diet. 3. p. 578. Tratt. tab. t. 32. 

 L. hispida, Lin. syst. ed. 12. p. 364. L. bipinnatifida, Ruiz et 

 Pav. fl. per. 5. t. 439. ined. 



Ambrosia-leaved Loasa. PL 1 foot. 



28 L. VOLU'BIL-IS (Juss. 1. c. t. 5. f. 1.) leaves alternate and 

 opposite, bipinnatifid ; lobes linear, obtuse ; flowers terminal 

 and axillary, pedicellate ; lobes of calyx a little toothed, one 

 half shorter than the petals ; stem twining. O-H. Native of 

 Chili, near Conception, in sandy places ; and of Peru. Tratt. tab. 



FIG. 12. 



