274 
* O. Reinw ardtii Zuccar. 
O. caule subsimplici, foliis paripinnalis multijugis, foliolis li- 
neari-oblongis acutiusculis, pedunculis apice incrassatis bracteatis 
multifloris, pedicellis bracteas calycemque capsulam subaequantem 
plus quam duplo superantibus, ovarii loculis trispermis. 
Todda Vaddi Rheede hört, malab. JX. p. 33- tcib. ig. — Herba 
senliens Garcin. Act. angl. 1730 . fig. 2. — O. sensitiva 
Zuccar. Monogr. Oxal. americ . tob. V. B. ( cjuoad iconem ). 
Radix annua, adscendens, fibrosa, fibris liliformibus flexuosis 
tenuissime fibrillosis cinereo-fuscescentibus vestita. Caulis Simplex, 
adscendens, basi lignescens, teres, apicem versus subangulatus vel 
compressiusculus, pilis brevibus adpressis obsitus, fuscescens, 3—8 
pollices altus, crasitie vix pennae corvinae. Folia in apice caulis 
20 vel plura in orbem horizontaliter expansa, paripinnata , 15 — 20 - 
juga; foliola opposita, subsessilia, superiora crescendo majora, sub- 
inaequilatera, integerrima, utrinque parce pubescentia, nervo medio 
venisque approximatis parum flexuosis subparallelis in ipso margine 
combinatis percursa, ima minima vix lineam longa, e basi subcordata 
ovata vel subdeltoidea, superiora sensim majora, e basi truncata vel 
subrotundata lineari-oblonga, acutiuscula, 4— 6 lineas longa, 2 cir- 
citer lata; summa e basi dimidiato-cordata obovata acutiuscula vel 
obtusa, reliquis latiora; petioli horizontaliter patentes, "'pubescentes, 
basi nuda subincrassati, articulati, semiteretes, supra canaliculati, 
sursum subtrigoni, apice inter summa foliola in mucronem brevem 
excurrentes, 1| — 3 poll. longi. Stipulae distinctae nullae. Pedun- 
culi 6 — 8 vel plures inter folia provenientes , erecti, stricti, teretes 
vel compressiusculi, pilis patentibus brevibus dense pubescentes, um- 
belliferi. Flores 6 — 10 vel plures in quovis pedunculo e capitulo 
bractearum provenientes ; bracteae plurimae, densissime imbricatae, 
lineari-lanceolatae, acutac, ciliato-hirtae, membranaceae, vix lineam 
longae; pedicelli bracteis multoties longiores, teretes, pubescentes, 
