Ex herbario Hassleriano: Novitates paraguarienses. XII. 159 
Gran Chaco: In campis humidis Santa Elisa, flor. mens. Febr.; 
Hassler no. 2762. 
229. Ipomoea subrevulata Choisy, DC. Prodr., IX, 386. 
Var. genuina Hassler. 
Foliis quinatis, lobis lineari-lanceolatis subfiliformibus apice obtusis 
mucronulatis, pedunculis unifloris. Omnibus partibus glaberrima. 
In Paraguaria vacat. 
Forma acutiloba nob. 
Foliorum lobis acutis mucronulatis lineari-lanceolatis vel linearibus, 
margine subrevolutis 60/,, 60/3, 59 mm pedunculis unifloris 10—20 mm 
longis, sepalis lanceolatis acutis mucronulatis, corolla 5 cm. 
I. pulchellae Roth var. lineariloba nob. persimilis, differt petiolis basi 
vix dilatatis, pedunculis brevioribus, sepalis acutis, corolla duplo majore. 
Gran Chaco: Puerto Talavera, in fliessendem Wasser am Rande? 
zwischen Strüuchern, flor. mens. Sept; Fiebrig no. 1288 in Herb. 
Hassler. 
Var. induta Hassler, nov. var. . 
Caulibus, petiolis, pedunculorum basi minute puberulis, foliis quinatis 
vel septenatis, lobis lineari-lanceolatis subfiliformibus apice obtusis minute 
mucronulatis, margine subrevolutis, #/,—3%5/, mm petiolis 12—30 mm 
longis basi haud dilatatis, pedunculis bifloris (i. e. apice semel dicho- 
tomis), calyce praecedentis, corolfa 65 m longa. 
Paraguay: Caballero cué, in einem Wassertümpel, zwischen 
Gebüsch bis 3 m hoch steigend, flor. mens. Febr.; Fiebrig no. 4975 in 
Herb. Hassler. 
230. Jaquemontia densifolia (Chod. et Hassler) Hassler, nov. spec. 
Ipomoea graminiformis Meissn. var. densifolia Chod. et Hassler, an spec, 
nov. Pl. Hassl., II, p. 624. 
Suffrutex virgatus 0,5—0,8 m altus; radix crassa lignosa, caulis 
vulgo solitarius, simplex vel pauciramosus, ramis simplicibus virgatis: 
caule similibus, 20—40 cm longis, basi teretes, apice striis rotundato- 
prominentibus e foliorum basi decurrentibus, pluriangulati, glabri; folia 
arcte approximata saepe fere subverticillata vel subopposita internodiis 
subnullis —10 mm longis, linearia vel lineari-lanceolata, sessilia, apice 
acuta vel acuminata basin versus longiuscule attenuata fere ad alulam 
reducta, 50/,—4/, mm glabra vel in var. involuta minutissime puberula, 
Crassiuscule membranacea, concolora, laete viridia, costa subtus promi- 
nente percursa, nervis inconspicuis, margine in foliis inferioribus latiori- 
bus plana, in superioribus subinvoluta vel totaliter involuta. 
Flores ad apices ramorum in racemum spiciformem 5—8 cm longum 
dispositi, pedunculi axillares solitarii uni- vel biflori, uniflori vulgo vix 
1 mm longi, saepe inconspicui, biflori ad 3 mm longi, bracteae setaceae 
deciduae 1—1,5 mm longae; pedicelli 5—6 mm longi subquadrangulares, 
apice clavati; sepala membranacea, glabra vel minute puberula (in var.); 
exteriora ovato-lanceolata acuta 7/, mm interiora ovata acuta 5—55/, mm; 
corolla campanulato-infundibuliformis, alba, glabra 20 mm longa, basi in 
