_ Ex herbario Hassleriano: Novitates paraguarienses. XV. 165 
XXXVI. Ex herbario Hassleriana: Novitates paraguarienses. XV. 
(Originaldiagnosen.) 
XXVIII. Compositae (Eupatorieae) I auct. E. Hassler. 
250. Stevia parvifolia Hassler, nov. spec. 
Herba perennis 0,3—0,6 m; radix lignosa multifibrosa; caulis soli- 
tarius simplex vel rarius ex axillis superioribus decussato 4—8-ramosus, 
teres, striatulus epidermate fusco-flavescente obtectus, pilis brevibus scabro- 
puberulus vel pilosulus; folia parva, sessilia, decussato-opposita, internodia. 
foliis breviora 4—6 mm, lamina ovato-lanceolata vel lanceolata 14/,,, !3/.. 
5/25 mm apice subobtusa vel subaeuta, basi rotundata, medio superiore 
breviter serrato-dentata dentibus utroque latere cc. 4—2, medio inferiore 
integra, serratura in foliis supremis nulla vel vix conspicua, subcoriacea, 
glabra, glandulis immersis supra et subtus conspicue conspersa, "e basi 
trinervis, nervis supra immersis subtus prominulis, margine et nervis 
subtus interdum sparse minuteque ciliolatis. 
Capitula ad apicem caulis vel ramorum in paniculas corymbosas elon- 
gatas laxas 6—15 cm longas dispositi, paniculae rami 1—2 cm distantes, 
corymbi pauci-2 —4 flori, inflorescentiae rami breviter adpresse albo-pube- 
ruli, foliis caulinis reductis 5/, mm bracteati; involucri paleae 5, acutae, 
5], mm, viridescentes, minute puberulae et glanduloso-punctatae; flores 
4—5 longe exserti, corolla 6 mm longa, tubo 4,5 mm sicco purpureo- 
viridescente, glanduloso, basi albo pilosulo, lobis lanceolatis subacutis. 
1,5 mm longis albis, glandulosis minute ciliolatis; achaenia 2,5 mm longa, 
glandulosa, angulis ciliolatis, pappi satis 12—15, rotundis 4,5 mm longis 
purpurescentibus plumulosis. 
Paraguay: In glariosis siccis pr. Estrella, flor. mens. Jan.; Hassler 
no. 9979. 
Ex affinitate St. Lundianae DC. foliis parvis sessilibus, decussato oppo- 
sitis imbricatis, ab affinibus omnibus distinctissima species. 
251. Stevia amplexicaulis Hassler, nov. spec. 
Herba perennis 0,8—1,5 m; radix multifibrosa; caulis solitarius, 
strictus, simplex, apice paniculam corymbosam magnam ferens, basi 
8—15 cm longe, glabratus, aphyllus, cortice ruguloso asperulo avellaneo 
obtectus, et cicatrieibus foliorum delapsorum auctus, supra scaberulo- 
hirsutus et usque ad apicem foliatus; folia ut in St. parvifolia nob. de- 
cussato-opposita, vix imbricata, sessilia, internodiis foliis subaequilongis, 
ut folia a basi ad apicem longitudine decrescentia 20—10 mm longa; 
lamina deltoideo-ovata vel late ovata, 2}, 15/16, iis mm apice obtusa vel 
triangulari-subacuta, basi cordata, semiamplexicaulis, rigide membranacea, 
supra viridis, scabro-puberula, subtus pubescens, subincana, margine basi 
excepta inciso-crenata, e basi trinervis, nervis reti venularumque subtus 
elevato, supra immerso. ; 
Paniculae rami alterni atroviolacei pilis albis hirsutulo-puberuli, laxe 
corymbosi carymbi pauciflori, pedicelli capitulo longiores 10—20 mm 
