XXV. PHYSOSTEMON. 73 
1. PHYSOSTEMON LaxctoLaTUM. t Tab. XLV. 
P. erectum, foliis lineari - lanceolatis, capsulis elongatis linearibus subteretibus, 
stylo persistente brevissimo. 
Raprx annua, perpendicularis, fibrosa, extus sordide flavescens. Cavzis herbaceus, erectus, pe- 
dalis vel sesquipedalis, ramosus, angulosus, sulcatus, rubenti-virens, sursum viridis. Ramı simplices, 
erecti, tenues, virgati, angulati. Forra alterna, petiolata, inferiora lineari-lanceolata, summa line- 
aria, omnia basi subrotunda, acuminata, integerrima ; utrinque laete viridia, pollicaria vel sesqui- 
pollicaria; eETrO0LI breves compressi, ad folii basin subarticulati, in rami angulum decurrentes. 
FLonvw racemi terminales, laxi, simplices, multiflori, tri-sexpollicares. —Prpuxcurvs angulatus, 
sulcatus ; PEDICELLI breves, tenues, singuli bractea minuta setacea arida suffulti, sub anthesi paten- 
tes, fructiferi nutantes. Carxvers foliola ovato- lanceolata, acuta, tenuiter venosa, glabra, viridia, 
petalis duplo breviora.  Prrar4 ovato-rhombea, breviter unguiculata, acutiuscula, integerrima, 
flava. Sramına sex. FinawENTA subulata, glabra, ovario et stylo longiora, rubenti-pallida; qua- 
tuor inferiora aequalia, declinata, duo superiora erecta parum minora, infra apicem in apophysin 
subgloboso - discoideam inflatam incrassata. ANwrHEnRAE erectae, olivaceo- virides, oblongae. Ova- 
RIUM subfusiforme, glabrum, excurrens in srvnLuw brevem subulatum rectum persistentem. Srıcma 
subcapitatum. Carsura linearis, subteres, striata, subtorulosa, stylo coronata, pollicaris vel ses- 
quipollicaris. REcEPTAcuLUM persistens, filiforme, intus trophospermiis persistentibus dentatum. 
Semina numerosa, reniformia, rugis transversalibus et aculeis brevibus angulosis scabra, brunnea, 
magnitudine circiter seminis Zrassicae. 
Habitat in graminosis depressis supra solum arenarium, non procul a flumine S. Fran- 
cisci, in Provincia Pernambucana prope praedia Terra nova et Bom Jardim. 
Floret Aprili, ®©. $ 
Explic. Tab. XLV. Fig. 1. Flos magn. nat. 2. Petalum. 3. Calyx. 4. Flos auctus absque corolla. 
5. Ovarium magis auctum. 6. Capsula magu. nat. 7. Eadem aucta. 8. Semen magn. nat. Q9. Idem auctum. 
2. PHYSOSTEMON TrwuirroLrUM. t Tab. XLVI 
P. totum glabrum, caule erecto, foliis lineari - subulatis, capsulis ovatis stylum 
aequantibus. 
*  Banrx annua, perpendicularis, subsimplex, extus sordide flavescens-intus alba.  Caurrs ere- 
ctus, jam a basi ramosus, pedalis vel sesquipedalis, basi cortice griseo-flavescente tectus, sur- 
sum viridis, angulatus, striatus. Ramı erecto-patentes, simplices, tenues, virgati, angulati, striati. 
Forra sparsa, sessilia, lineari-subulata, acuta, utrinque glabra et laete viridia, sesqui - bipollica- 
ria. Fronuw racemi terminales, laxi, multiflori, tri-sexpollicares. Prpuwcurvs angulatus, striatus; 
PEDICELLI filiformes, patentes vel nutantes, singuli bractea seu folio florali ipsis longiore suffulti, qua- 
tuor ad sex lineas longi. Carxcis foliola aequalia, lanceolata, acuta, nervosa, glabra, corolla breviora. 
ConoLLA congenerum maxima, aurea. PETALA adscendentia, ovato-rhombea, breviter unguiculata, 
acutiuscula, integerrima, glabra. SrawmiwuM FILAMENTA sex, subulata, glabra, petalis et stylo bre- 
viora: duo inferiora declinata ovarium superantia, quatuor superiora apice incrassata in apophy- 
sin globosam , cui AwTHERA oblonga olivaceo - viridis insidet. Ovarium ovatum, basi attenuatum, 
compressum, glabrum. Sryrus adscendens, arcuatus, longitudine petalorum, subulatus, glaber. 
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