Gardneriane. N. O. Loasezx. 
TAB. DCLXITI. 
LoaAsA RUPESTRIS. Gardn. 
Hispida, caule erecto infra inflorescentiam simplici supra pani- 
culato-racemoso, foliis alternis petiolatis ovato-oblongis 
sinuato-lobatis grosse dentatis basi cordatis, racemis pedicel- 
lisque elongatis, lobis calycis late ovatis acutis, petalis 
obovatis obtusis concavis, capsula ovata. 
Loasa rupestris. Gardn. Herb. Bras. n. 2413. 
Causancao, nom. vulg. 
Has. Rare, in dry rocky places between Cachoeiras and Mar- 
maleiro, near the Western boundary of the Province of 
Brazil; February, 1839. 
Herbacea, hispida, 2-3 pedalis. Caulis erectus, infra foliosus, 
supra paniculato-racemosus, aphyllus. Folia alterna, petio- 
lata, ovato-oblonga, obtusa, sinuato-lobata, grosse dentata, 
basi cordata, 4-43 poll. longa, 2-2} poll. lata: petioli 11-23 
pollicares. Panicula racemosa. Flores parvi, albi, pedicellati. 
Pedicelli 8 lin. circiter longi. Calycis tubus ovario adherens, 
limbus persistens 5-partitus zequalis, segmentis late ovatis 
acutis petalis brevioribus. Petala obovata, obtusa, concava. 
Squame 5, petalis alternze, ovate, concave, trinerves, dorso tri- 
sete, truncate, in conum conniventes et basi intus filamentis 2 
sterilibus instructe. Stamina plurima, cum petalis inserta, 
exteriora 10, sterilia, lineari-lanceolata, ciliata, 1-nervia; in- 
teriora fertilia in phalanges 5-18-andras petalis oppositas dis- 
posita. Anthere erecte, subrotunde, biloculares. Stylus 
simplex. Stigma trifida. Capsula ovata, hispida, calycis 
limbo coronata, unilocularis, vertice breviter exserto, trivalvis, 
valvis cum nervis placentiferis, tandem liberis, alternantibus. 
Semina plurima, obovata, compressa, echinata. 
This plant is readily distinguished from all the hitherto 
described species of Loasa by its elongated panicle, which 
consists of about 5 branches, each forming a raceme of from 
10-14 flowers.—G. Gardner. 
Fig. 1. Flower. /f. 2. Scales from the flower, with the sterile 
stamens :—magnified. 
