OF THE MATTO GROSSO EXPEDITION, 1891-92. 361 
ACIOTIS DICHOTOMA, Cogn. in Mart. Fl. Bras. xiv. pars iii. p. 460, var. LONGIFOLTA, 
S. Moore. Planta 15:0-20:0 cm. alt., caule distincte alato, interdum fere glabro ; 
foliis lanceolatis, 3-nerviis (obscure 5-nerviis), inferne sensim in petiolum attenuatis 
usque ad 5:5 em. long.; floribus fructibusque quam in typo leviter majoribus. 
Forma inter 4. dichotomam, Cogn., et A. amazonicam, Cogn., medium tenens, sed vix, 
ex mea sententiá, species propria. 
Hab. In paludibus ad Santa Cruz floret mens. Dec. (N. 730.) [Guiana, Venezuela, 
Ins. Trinitatis. ] 
ACIOTIS INDECORA, Triana, in Trans. Linn. Soc. xxviii. p. 52. 
Hab. Crescit ad Santa Cruz, mens. Dec. florens. (N. 471.) 
Flores albi; antherze purpurez. [Bras. Or., Amazonia, Guiana, Peru.] 
MICONIA TOMENTOSA, D. Don, in Mem. Wern. Soc. iv. 2, p. 316. 
Hab. Reperi ad Santa Anna da Chapada. (N. 143.) [Bras. Or., Amazonia, Guiana, 
Ins. Trinitatis. | 
MICONIA LEPIDOTA, DC. Prod. iii. p. 180. 
Hab. Ad Santa Cruz floret mens. Dec. (N. 7824.) |Amazonia, Guiana, Nov. Granat., 
Peruvia, Bolivia.] 
MICONIA ALBICANS, Triana, in Trans. Linn. Soc. xxviii. p. 116. 
Hab. Juxta Santa Anna da Chapada floret mens. Aug. (Nn. 89,138.) [Amer. Trop., 
Ind. Occ., Paraguaria.] 
MICONIA FALLAx, DC. Prod. iii. p. 181. 
Hab. Ad Serra da Chapada mens. Aug. floret. (N. 156.) [Bras. Or, Amazonia, 
Paraguaria. | 
MICONIA STENOSTACHYA, DC. Prod. iii. p. 181. 
Hab. Crescit in ripis fl. Paraguay juxta Tres Barras, itaque ad Santa Cruz; menss. 
Oct.—Nov. floret et fructificat. (Nn. 420, 490, 610.) 
There are two forms of this plant, if, indeed, they be not two distinct species. One of 
these, the Miconia argyrophylla, Benth. (non DC.), has fruits not more than half the size 
of the other form. My n. 610 belongs to the latter, the other two to the former of these. 
(Amer. Trop., Ind. Occ. | 
MICONIA HELIOTROPOIDES, Triana, in Trans. Linn. Soc. xxviii. p. 116. 
Hab. Viget ad Santa Cruz, mens. Nov. florens. (Nn, 345, 469.) [Goyaz.] 
MICONIA PRASINA, DC. Prod. iii. p. 188. 
Hab. Ad Santa Cruz floret et fructificat mens. Nov. (N. 457.) [Amer. Trop., Ind. 
Occ., Paraguaria. | 
SECOND SERIES.—BOTANY, VOL. IV. 33 
