58 A. GRISEBACH, 
thamnia columna staminum abbreviata, Ditaxis verticillis staminum remote 
superimpositis, Chiropetalum petalis palmatifidis ab Aphora Nutt. distin- 
guantur. 
322. Aphora catamarcensis Gr. n. sp. setis adpressis, plerisque me- 
dio affixis strigillosa (v. in foliis glabrescens), suffruticosa, erecta, foliis 
elliptico-lanceolatis lanceolatisque acutiusculis basi acutis breviter petio- 
latis integerrimis v. versus apicem remote serrulatis trinerviis, floribus 
monoecis, calycis segmentis ovatis cuspidato-acutis, petalis (c) oblongo- 
lanceolatis acutis glabris calycem aequantibus, in flore ? nullis, stamini- 
bus 5 uniseriatis, stylis profunde bifidis: stigmatibus apice dilatatis, cap- 
sula strigillosa, seminibus reticulato-rugulosis. — Affinis videtur A. 
montevidensi (Argyrothamniae Müll, ubi „stigmata apice non dilatata", 
petala in 9 non suppressa et indumentum alienum. Caules spithamei, 
foliosi, inferne ramosi, juniores dense strigosi; folia 2—1“ longa, 4—8% 
lata, nervis venisque primariis subtus conspicuis, setis tenuibus albis, 
plerumque 1°“ longis, in folio fere omnibus Malpighiaceis, in caule calycis- 
que margine saepe basi affixis; racemuli axillares glomeruliformes apice o, 
bracteis unifloris; calyx ~ 1°, $ demum 2° longus, segmentis 5 aequa- 
libus, in ,» valvaribus; petala cum glandulis subglobosis alternantia, 
membranacea, columnam filiformem in filamenta 5 brevia apice divisam 
subaequantia, antheris globosis; ovarium glandulis 5 (loco petalorum) 
suffultum, strigosum, stylis 3 ultra medium bifidis, ramis apice truncato- 
dilatatis; capsula 3gono-subglobosa, glabrescens, calyce inclusa; semina 
globosa, ecarunculata, grisea, opaca, 1’ diam., reticulo testae tenui. 
Suecus plantae pigmentum dat indigoferum. — Ct.: Campo de Pilciao, 
Quebrada de Tala. 
323. Polyboea Lorentzii Gr. [124.]. — C. 
324. Caperonia acalyphifolia Gr. n. sp. fruticosa, aculeis brevibus 
basi dilatata compressis sparsis armata, puberula, foliis palmatinerviis 
subcordato-ovatis (v. ovato-oblongis) deltoideo-acutiusculis crenato-serratis 
petiolo multo longioribus: crenaturis denticulo terminatis: stipulis filifor- 
mibus, floribus monoecis, pedunculis axillaribus filiformibus apice pau- 
cifloris, d' superioribus, calycis segmentis deltoideis, capsula muricata, 
