73 
glandulas puberula, + incurvata, fere a basi foliifera; foliola in 
pinnis infimis 10—12-, in summis 24 — 28-juga, sessilia, maxima 
6 — 7 mm longa, 2 mm lata, minima 1,5 mm longa, 0,5 mm lata, leviter 
falcata, apice rotundata, saepius minutissime mucronulata, basi obliqua 
truneata subauriculata, chartacea, supra in sicco nigricantia opaca, sub 
lente valida minute denseque verruculoso-punctulata, enervia, subtus 
pallida glandulis copiosis conspersa, ad costam subcentralem promi¬ 
nentem et marginem (sub lente) pilis singulis instructa. Spicae 
graciles terminales et in axillis foliorum supremorum solitariae vel 
geminae, inflorescentiam foliatam 6 — 9 cm longam efficientes, floriferae 
ad 12cm longae, densiflorae, basin versus + remotiflorae. Bracteae 
vix S U mm. Flores sessiles, calyce bracteis breviore; cor oll a cam- 
panulata, sepalis ovatis apice acutiusculis nervo medio distincto, vix 
1,5mm longa, extus glandulis paucis minutis aureis conspersa; sta- 
mina petalis 5 — 6plo longiora. Ovarium brevissime r stipitatum, 
albo-villosum. Legumen ignotum. 
Habitat in Brasilia austro-orientali loco non indicato: G1 a z i o u 
n. 12 645. 
0 b s. Species ab affini M. pteridifolia Benth. primo intuitu differt 
aculeis, pinnis paucioribus, foliolis majoribus praeter glandulas sub- 
glabris, calyce non tomentoso. 
M. brachystachya Taub. sp. n. (Sect. Habbasia Benth. ser. 
Leptostachyae Benth.) Frutex parce aculeatus ramis junioribus, petiolis 
inflorescentiis brevissime puberulis; pinnae 2 — 3-jugae; foliola 
4 — 6-juga, oblonga vel obovato-oblonga, apice rotundata, basi obliqua, 
glaberrima, reticulato-nervosa; spicae breves terminales et in axillis 
superioribus, inflorescentiam amplam multifloram formantes, pedunculis 
plerumque verticillatis, densiflorae ; f 1 o r e s 3-meri, 6-andri; c o r o 11 a 
calycem minutum 3plo superans; ovarium glabrum. 
Frutex elatus ramis teretibus aculeis raris recurvis armatis, 
junioribus brevissime puberulis, adultis glabris. Stipulae lanceolato- 
subulatae, 4 nun longae, subglabrae. Folia petiolo communi supra 
canaliculato 5—10 cm longo, 2,5—5 cm supra basin foliifero; pinnae 
2—4cm longae, 2—3-jugae, rhachide puberula prope basin brevissime 
stipellata, ca. 8 —10mm supra basin foliola gerente ; foliola 4—6- 
juga, brevissime ( 3 4— 1 mm) petiolulata, oblonga vel obovato-oblonga, 
apice rotundata saepius minutissime mucronulata, basi obliqua rotun¬ 
data, inaequilatera, 10 — 20 mm longa, 5—10 mm lata, tenuiter char¬ 
tacea, praeter marginem prope basin pilis raris instructum glaberrima, 
in sicco supra opaca, olivacea, subtus pallida, costa nervisque primariis 
