Ex herbario Hassleriano: Novitates paraguarienses. II. 73 
et 13 mm lata, apice leviter emarginata, basi angustata, glabra, basi intus 
ad insertionem tubi staminalis breviter albo-barbellata; tubus stamineus 
glaber, conieus, 5 mm altus, integer, petalis 2 mm alte adnatus, apice in 
filamenta © 2,5 mm longa divisus; ovarium orbiculare subgloboso- 
applanatum, glabrescens, 1,5 mm altum et 5 mm diam. 32—36 merum; 
styli 32—36, fere usque ad basin liberi, 6 mm longi, stigmatibus capi- 
tellatis. 
Fructus globosus, basi et apice truncato-umbilieatus, carpidia 
matura 10—11 mm alta paulo supra basin 7 mm lata, membranacea, 
avellanea, puberula, appendicula 9 mm longa, curvata, valvis quasi aequi- 
longa, tumescentia, puberula, margine elevato, discolori, manifeste acute 
et longiuscule denticulato, cineta, semina complanata 2,5 mm longa et 
2 mm lata, nigrescentia, minute punctulata, pilis albis punctiformibus 
inspersa. 
Species nova e sectione Eugaya K. Sch. carpidiis numerosissimis 
valde peculiaris; Gaya occidentali H. B. K. affini, differt: Foliis glabres- 
centibus vix hirsutulis; pedunculis fructiferis stricte erectis, calyce plicato 
5-nervio, intus glabrescente, lobis cuspidatis, petalis minoribus, ovario 
duplo latiore, carpidiis numerosioribus, puberulis, appendiculis longioribus, 
seminum indumento. . 
Gran Chaco: Puerto Talavera ad ripas siccas fluminis Paraguay, 
flor. et fruct. mens. Sept. Fiebrig no. 1313 in Hb. Hassler. 
38. Pavonia Rojasii Hassler, nov. spec. 
Suffrutex lignescens; radix crassa lignosa; caules plures 0,4—0,6 m 
alti, flexuosi, teretes ad 4 mm crassi, basi cortice rimuloso, appresse 
canescenti-tomentosulo, medio et praecipue apicem versus, tomento 
appresso flavo-virenti, pilis glanduliferis erispulis aureis longioribus in- 
sperso, obtecti; internodia 3—4 cm; stipulae caducae, anguste lineares, 
subulatae, 5 mm longae, basi vix 0,3 mm latae, puberulae; folia sat 
longe petiolata; petioli erecto patentes, subteretes, supra canaliculati, 
tomento flavo-viridi vel viridescente, pilis glanduliferis longioribus, 
iis caulis similibus  inspersis, vestiti, 20—50 mm longi, lamina 
foliorum inferiorum cordata, medianorum cordato-triangularis, superiorum 
oblongo-triangulari-cordata 70/50, 95/60, 60/30 mm margine obtuse crenato 
vel erenato-dentato, subconcolor, in foliis novellis supra obscurior, trans- 
lucide punctata, supra pilis stellatis appressis molliter pubescens, subtus 
appresse molliter tomentosula, 7—9-nervis. 
Inflorescentia stricte axillaris; pedunculi solitarii, petiolis bre- 
viores, floriferi erecto-patentes, fructiferi reflexi, cc. 20 mm longi, eodem 
indumento ut petioli praediti; involucrum 5-rarius 6-phyllum, phyllis 
lineari-lanceolatis, fere usque ad basin divisis, 16—18 mm longis, medio 
cc. 2 mm latis, hispidulo-tomentosulis, pilis glanduliferis inspersis; calyx 
campanulatus 20 mm altus, profunde partitus, vix 4 mm alte coalitus, 
lobis ovatis, longiuscule acuminatis, nervis quinque percursis, tribus 
medianis parallelis, manifeste prominentibus, duobus exterioribus haud 
procul a margine basi confluentibus, intus, acumine et marginibus bre- 
D 
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