68 SOCIÉTÉ BOTANIQUE DË FRANCE. 
Decmnium MavRITANICUM Coss. sp. nov. — Exs. Alg. : Bourg. [1856], 
Choul. n. 501 sub. D. pubescens, War. n. 2 et in Soc. Dauph. n. 610. 
Planta annua. Caulis sæpius 3-5 decim. longus, a basi vel superne ra- 
mosus, ramis robustis rigidis divergentibus, pube brevi crispula obsitus 
in parte superiore immixtis pilis longioribus patentibus flavis basi bulboso- 
inerassalis apiceque glanduligeris. Folia palmatim trisecta segmentis bis 
vel ler palmatisectis, lobis linearibus vel anguste linearibus, radicalia et 
inferiora sæpius sub anthesi evanida, caulina subsessilia. Flores pallide 
rosei vel violacei, laxe racemosi, peduneulati pedunculo flore breviore 
carpellum demum subæquante supra medium bibracteolato. Calcar sub- 
raeuatum, flore subduplo longius. Petala 2 superiora in unicum unicalca- 
ratum coalita, inferiora nulla, petali unici (e duobus superioribus coalitis 
elformali) lobo medio lato truncato subemarginato lobis lateralibus 
ovato-subrotundis breviore. Carpellum unicum, oblongum, a latere com- 
“pressiusculum, pubescens immixtis pilis longioribus glanduligeris, in 
stylum longum abrupte productum. Semina obpyramidato-subtetragona, 
circumcirca lamellato-rugosa lamellis amplis in squamulas plicato- 
divisis sursum imbricatis interioribus cupulam circumvallantibus. — 
Maio-Julio. 
Inter segetes, in arvis et vervactis, in regione Mediterranea montosa et 
Planitiebus excelsis contiguis provinciæ Oranensis : Sidi-bel-Abbés (Le- 
frane, Warion), Hamarna (Lefranc), Tenira, Tlemcen (Warion), Man- 
sourah ubi primum inventum (Lenepveu [1854] ), Lalla-Maghnia (Bour- 
geau, Warion); El-Maï (Warion); Magenta, Terni, Sebdou, Beticha 
(Warion). — Algeriæ peculiare ut videtur. 
D. Mauritanicum habitu, indumento, seminum fabrica D. glandulo- 
sum Boiss. et Huet (in Boiss. Diagn. Or., ser. 2, V, 11, et Fl. Or. I, 80) 
et D. Cappadocicum Boiss. (in Ann. sc. nat. [1844] 367, et Fl. Or. 81), 
refert sed petali forma plane distinctum. 
MaTTHIOLA MAROCCANA Coss. sp. nov. — M. stenopetala Coss. in herb. 
olim non Pomel. 
Planta annua, inferne pube stellata subadpressa tomentosa, superne 
glabrescens et parcissime glandulifera, a basi ramosa. Caules 2-7 decim. 
longi, simplices vel plus minus ramosi ramis divergentibus, demum indu- 
rati. Folia ambitu oblonga in petiolum attenuata, sinuata vel sinuato- 
pinnatifida lobis obtusis vel acutis integris rarius unidentatis, radicalia 
plura in rosulam laxam disposita siepe sub anthesi evanida, caulina sub- 
conformia brevius in petiolum attenuata. Racemi 6-8-flori ve] pluriflori, 
laxi, rachi demum sepe flexuosa, siliquis superioribus flores et alabastra 
haud attingentibus. Flores circiter 15 mill. longi, brevissime pedicellati 
