785 
LOASA acanthifolia. 
Acanthus-leaved Nettle-plant. 
— Á——— 
POLYANDRIA MONOGYNLA (POLYADELPHIA POLYANDRIA). 
Nat. ord. ar Tens Jussieu gen. 317. Div. V. Genera onagrariis 
affinia. 
LoasEX. Jussieu in ann. du mus, 5.21; et suprà vol. 8. 
fol. 667. 
LOASA. Supra vol. 8. fol. 667. 
- 
L. acanthifolia, foliis oppositis pinnatifidis; superioribus sessilibus: calyce 
reflexo : petalis apice bidentatis. Lamarck encyc. 3. 579. 
Loasa acanthifolia. Jussieu in ann. du mus. 4. 25. tab. 3. fig. 9. Willd. 
sp. pl. 2. 1176. Persoon syn. 2. 71. 
Loasa nitida. Bot. mag. 23722 
Ortiga chilensis urens Acanthi folio. Feuillé peruv. 2. 757. t. 43. 
A. Loasa selarezfolia Juss. discrepat foliis profundiüs sinuates, calycino 
limbo breviore, petalis eodem feré triplo longioribus, squamulis apice 
dilatatis trilobis, lobo medio minore emarginato, extus triappendiculatis, 
appendicibus filiformibus basi junctus et apice uniglandulosis. Jussieu 
loc. cit. 
Erecta, altitudine ferè humana: caulis cylindricus ramosus let? virens, 
fistulosus, diametro linearum 15-16. aculeis gracilibus pungentissimis bili- 
nearibus hispidus. Folia ampla, opposita pinnatifida incisa dentata pro- 
funde virentia, ex Feuilleo ARGEMONES mexicana haud absimilia, dodran- 
tatia latitudine subsemissidali, pilis strictis rigidiusculis pungentibus consita ; 
inferiora petiolata, petiolis canaliculatis amplexicaulibus hispidis triuncialibus 
vel circitór; superiora sessilia. Pedunculi axillares solitarii, cylindracei, 
hispidi, apice uniflori. Calycis segmenta angusta lanceolata acuminata 
reflexa. Petala quinque, stellato-divaricata, calyce longiora, apice coch- 
leari-cava, lacinulis duabus corniculorum instar terminata, extrinsecus his- 
pida profunde viridia, intrinsecús coccinea: squame petalinze lutece, concave, 
5 lineares costis tribus rubris verticalibus percurse. Lam. l.c. (Ex gallico 
vers.) 
Lately introduced from Chili, where it is native. 
Drawn at the gardens of the Horticultural Society, in 
which it had been raised from imported seed. 
The species was originally observed by the learned and 
ingenious Chevalier de Lamarck. 
If incautiously handled, the plant inflicts a very smart 
sting, like the rest of the genus; from which circumstance 
the species have all aequired the name of Ortiga (Nettle) 
among the Spanish colonists. 
VOL. X. D 
