OF THE MATTO GROSSO EXPEDITION, 1891-92. 329 
basi rotundatis, nervo medio excurrente apiculatis, supra piloso-pubescentibus, 
demum preeter ad nervos glabris, subtus piloso-pubescentibus, membranaceis, eglandu- 
losis ; petiolis rufo-tomentosis, utrinque basi glandula auctis ; inflorescentià axillari vel 
terminali, corymbosá, vel floribus in paniculas paucifloras corymbiformes dispositis ; 
pedicellis gracilibus, juxta medium minute bibracteatis; calycis 8-glandulosi 
segmentis glandulas haud superantibus; petalis ovato-oblongis, breviter unguiculatis; 
samaris albo-tomentosis, immaturis, alà dorsali parva, laterali samaram cingente 
amplá suborbiculari. 
Hab. In nemorosis viget ad Santa Cruz, menss. Sept.-Nov. florens. (Nn. 340, 647.) 
Caulis 2:5-3:0 cm. crass., purpureo-bruneus. Folia pleraque 7:5-9*0 em. long. (raro ad 
10:0 cm.), plerumque 4°0-7:0 cm. lat., margine ciliata, pagina super. ad nervum 
medium plus minus appresse pubescenti-tomentosa, pagina infer. pallida, nervis 
aliquanto elevatis plus minus pubescenti-tomentosis; petioli 0'7-1:5 em. long., 
pingues, glandulis late ellipticis vel fere orbicularibus 0:1 em. diam. Pedunculi rufo- 
tomentosi, plerumque 1:0—3:0 em. long. Prophylla subulata, rufo-tomentosa, circa 
0:2 em. long. Pedicelli plerique circa 1:0 em. long., subcongesti, rufo-tomentosi, 
bracteze prophyllis subsimiles. Flores rosei, circa 1:2 em. diam. Calycis segmenta 
0:3 em. long., ovata, obtusa, pubescentia; glandule ellipticee, calycis segmentis 
eequilongee. Petala 0:6 cm. long. et 0°45 em. lat., nervo medio in sicco eminente; 
unguis modo 0'1 em. long., sat pinguis. Ovarium trigonum, albo-tomentosum ; 
styli vix omnino glabri. Samare immature circa 0:6 em. long. et 0:5 em. lat., ala 
dorsali circa 0:1 cm. alt. 
Species accedens ad Hiream rubram (Mascagniam, Griseb.), quee forsan ad sectionem 
Enmascagniam transferri debet, sed foliorum crassitudine ac vestitu, corymbis brevibus 
nee solis terminantibus, pedicellis brevioribus, bracteis omnino diversis, etc., optime 
divergens. 
HIRAA sEPIUM, A. Juss. in A. St.-Hil. Fl. Bras. Merid. iii. p. 19. 
Hab. Ad Santa Cruz flores et fructum simul ostendit mens. Nov. (N. 520.) 
HIRAA SEPIUM, A. Juss., var. NITENS, S. Moore, foliis quam ea typi firmioribus supra 
nitidis et puberulis, samaris ignotis. 
Hab. Ad Corumbá floret mens. Jan. (N. 1008.) 
Quum samaras non examinavissem, exstitit quzedam queestio num mera pro varietate 
haberi debeat. (Bras. Or.] 
HIRAA CUJABENSIS ?, Griseb. in Mart. Fl. Bras. xii. pars i. p. 100. 
Hab. Crescit in loco ignoto, verisimilter ad Santa Cruz. 
The specimen is very incomplete, and, owing to the loss of the label accompanying it, 
I am unable to give its locality. [Matto Grosso.] 
Hrrma (§MascaentA) (sp. nov.) ; foliis et floribus ignotis; samaris magnis, papyraceis, 
glabris, viridibus, alà dorsali 2:0 em. long. et usque ad 1:3 em. lat., alis lateralibus late 
obovatis, truncatis, margine superiore dentato-undulatis, 3:0 em. long. et lat. 
SECOND SERIES.—BOTANY, VOL. IV. 9x 
