56 Ex herbario Hassleriano: Novitates paraguarienses. X. 
pressis pellucidis aucta, longiuscule rostrata ad 5 cm longa rostro 1— 
2 em longo saepe leviter curvato. Capsula 8 cm longa et 3 cm lata. 
Gran Chaco: Ad margines silvarum Loma Clavel, flor. et fruct. 
mens. Nov.; Hassler no. 2630. 
188. Pithecoctenium Vitalba P. DC., Prodr., IX, 196. 
Var. rostratum Hassler, nov. var. 
(P. echinatum K. Sch. var. y. intermedium Hassler in Pl. Hassl., I, 
p. 27. — P. echinatum K. Sch. var. a. typicum Sprague in Pl. Hassl., II, 
. 543. 
P A po recedit: Corolla modice curvata haud subgibbosa, foliolis basi 
subtruncatis, rotundatis vel subcordatis, apice + longiuscule rostratis 
rarius obtusis retusisve. 
Forma 1. glabratum Hassler, nov. form. 
Foliolis praeter lepides supra vix in nervis sparse puberulis, subtus 
glabris, margine ciliolata, petiolis petiolulisque ad margines canaliculi 
tantum pilosuli. 
Paraguay: In dumetis ad ripas rivulorum pr. Esperanza, flor. et 
fruct. mens. Nov.; Hassler no. 10708 et 10708a, leg. Rojas. 
Id. Hassler no. 6673, Pl. Hassl, l. c., sub P. echinato K. Sch. var. 
a, typicum Sprague. 
Forma 2. intermedium Hassler, nov. form. 
Foliolis supra et subtus puberulis, novellis subtomentosulis, petiolis 
petiolulisque in foliis adultis supra tantum, in foliolis novellis ubique 
tomentosulis. 
Paraguay: In dumetis pr. Villa Rica, flor. et fruct. mens. Jan.; 
Hassler no. 8636. 
Id. Hassler no. 6889, Pl. Hassl., Le, sub P. echinato K. Sch. var. 
y. intermedio Hassler. 
Varietas nostra differt a P. echinato K. Sch., Flor. Bras. VIII, 2, 
p. 168 absque icon. inflorescentiae in tab, LXXXV: Inflorescentia decus- 
sato-racemosa vel subpaniculata, floribus 8—12 mm longe pedunculatis, 
2—4 mm longe pedicellatis, bracteis bracteolisque lineari-subulatis, calyce 
minute denticulato, staminodio parvo basi haud dilatato vix 4 mm longo, 
stylo fere ad medium piloso, stigmate orbiculari. Corolla modice curvata, 
capsula simillima transiet ad P. echinatum K. Sch. 
189. Pithecoctenium echinatum K. Sch. 
Var. tomentosum Hassler, Pl. Hassl., I, p. 27. 
Ad descript. |l. c. datam adde: Flores in racemum rarissime basi 
pauciramosum dispositi, pedunculi nulli, pedicelli breves crassiusculi, 
basi bractea bracteolisque triphyllatim involucrati, corolla manifeste 
gibbosa, stylus glaberrimus, staminodium majusculum basi crasso-tomen- 
tosum. 
Forma grandiflora Hassler, nov. form. 
Calyce ad 12 mm alto, corolla 6 cm longa, fauce ad 25 mm lata; 
foliis ad ?/; cm attingentibus. 
Paraguay: In campis rupestribus Cordillera de Altos, flor. mens. 
Dec.; Hassler no. 2127. | 
