196 Ex herbario Hassleriano: Novitates paraguarienses. XIII. 
Paraguay: In campo San Blas, flor. mens. Dec.; Hassler no. 5748a, 
fol. ovatis; id. no. 5748, fol. lanceolatis. 
Forma salicifolia Hassler, nov. form. 
Foliis oblongo-lanceolatis, basi obtusiusculis apice obtusiuscule acumi- 
natis manifeste mucronatis, subsessilibus vel brevissime petiolatis, 55/,,— 
100/,, mm sepalis + acuminulatis, corollae striis densius et longius pilosis 
quam in aliis. 
Paraguay: In campis pr. Curuguaty, flor. mens. Sept.; Hassler 
no. 4599. 
Forma nitens (Chod. et Hassler) Hassler, nov. form. 
I. nitens Chod. et Hassler, l. c., emend. 
Foliis ovatis, ovato-lanceolatis vel lanceolatis, basi attenuatis apice 
obtusiusculis, acuminulatis vel obtusiusculis,, mucronulatis, supra pilis 
sparsissimis inspersis, subtus argenteo-subcanescente-sericeis, omnibus 
brevipetiolatis, petiolis 1—4 mm longis. 
Paraguay: In campis pr. Villa Rica, flor. et fruct. mens. Jan.; 
Hassler no. 8714; id. Hassler no. 5691, typus I. nitentis Chod. et 
Hassler, 1. c. 
Var. Burchellii Hassler, nov. var. 
I. argyreia Meissn., l. c., tab. LXXXV, fig. II. 
Undique sericeo-cana, foliis sessilibus e basi obtusa oblongis lanceo- 
latisque mucronulatis 30—50 mm longis, 10—20 mm latis, pedunculis 
3—1-floris, bracteis ovato-lanceolatis 2,5—5 mm longis. 
Hab. Brasilia: Burchell no. 6700—6709 ex Meissn., l. c. 
Var. lanata Hassl., nov. var. 
Caule albido-lanato, foliis oblongis vel linearibus, basi obtusiusculis 
apice obtusis vel acutis, mucronatis, pedunculis subnullis vulgo unifloris, 
pedicellis ad 5 mm longis, bracteis ovato-lanceolatis ad 5 mm longis 
3—4 mm latis, extus cano-tomentosis intus glabris, sepalis lanuginoso- 
tomentosis. 
Forma oblongifolia Hassler, nov. form. 
Foliis oblongis rarius oblongo-lanceolatis, in eodem specimine obtusis 
vel acutis, breviter vel longiuscule mucronatis, ®/,—1!%/,, mm supra sub- 
dense albo-lanatis, subtus cano-sericeo tomentosis, sepalis fulvescente- 
vel canescente-lanuginoso-tomentosis, obtusissimis. 
Paraguay: In campis siccis Punta Porá, flor. mens. Dec.; Hassler 
no. 9821 (sepalis canescentibus) et 9821a (sepalis fulvescentibus), leg. 
Rojas. 
Forma linearifolia Hassler, nov. form. | 
Foliis linearibus 9)/,—70/. mm supra sparse albido-villosulis, subtus 
fulvescenti-tomentosis, obtusiusculis vel subacutis, mucronatis, floribus 
praecedentis. 
Paraguay: In campis siccis Punta Porá, flor. mens. Dec.; Hassler 
no. 9821b, leg. Rojas. 
Sepala in varietatibus omnibus basi glandulis ovalibus vel oblongis 
