DEFLERS. — PLANTES NOUVELLES DE L’ARABIE. 223 
lanceolata vel spatliulata, in petiolum brevem attenuata, integer- 
rima, tomentosa, subtus albida, supra viridi-flavescentia; flores 
parvi, sessiles, in spicas axillares conferti ; spinæ ad basin inflores- 
centiæ more Barleriarum palmatim 2-3-partitæ, interdum pinna- 
tipartitæ, ramisbrevibus, gracilibus, rectis; spicæsessiles, demum 
brevissime pedunculatæ, oblongæ, folio sæpius dimidio breviores; 
bracteæ imbricatæ, concavæ, florem arcte amplectentes, oblongo- 
lanceolatæ, apice recurvæ, arista spinulosa acuminatæ, dorso pro- 
minule 3-nerviæ, villosæ, longe setoso-ciliatæ, extimæ foliaceæ, 
virides, intimæ chartaceæ, scarioso-hyalinæ; calvx herbaceus, 
hirsutus, e basi in labia 2, subæquilonga partitus, labio antico 
2-fido, laciniis æqualibus, linearibus acutis, postico latiori, 3-den- 
tato; corollæ infundibularis tubus brevis, limbus expansus, 5-si- 
nuato-angulatus, sub angulis plicatus, plicis longitudinalibus, 
exlus prominulis, pilosis, 3 posticis discrelis, 2 anticis contiguis, 
parallelis,, vix membrana intermedia angusta, medio sulcata se- 
junctis; stamina 4, sub fauce affixa, filamentis brevissimis, gla- 
bris; paris antici antheræ 2-loculares, oblongæ, dorso barbatæ, 
loculis parallelis, æqualibus, muticis; paris postici antheræ mi¬ 
nores, 1-loeulares, glabræ; ovarium ovatum, glabrum; Stylus 
brevis, apice clavatus, truncatus, glaber; capsula oblonga, basi 
vix attenuata, apice truncata, septo crasso parallèle compressa, 
nitida, glabra, in exemplariis nostris nulla debiscentiæ indicia 
præbens; semina in quoque loculo 2, complanata, ovato-orbicu- 
lata, marginata, glabra, retinaculo subulato fulta. — 3. 
Folia (cum petiol.) 2-3 cent, long., 1/2-3/4 cent. lat.; bract. 
1 cent. long. 1/3-1/2 cent, lat.; calyx 4 mill. long.; coroll. 7-8 
mill.; styl. 2-3 mill.; capsul. 8-9 mill. long., 2 mill. lat.; semina 
1 1/2 mill. diam. lat. 
Hab. in convallibus regionis montanæ inferioris. — Legi ad 
fauces australes montisel-’Areys (Bil. Fodhli), peralt. 200-300 m., 
menseMartiodesinenteflorentem ac fructiferum ; It. ann. 1889-90, 
Exss. n is 383 et 496. 
8. Asystasia petalidioides spec. nov. 
Arab. Khouladh. 
Suffrutex dichotome ramosus, parce puberulus vel glabrescens; 
folia opposita, lanceolata, integra vel obsolète sinuata, basi sæpius 
inæquilateralia, in petiolum amplexicaulem brevem attenuata, 
