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127
Euphorbia segetalis L.
Vigo Galleciæ; Carucedo, Villa de Palos (Vierzo)! la Granja,
Aranjuez (Pourr.)!
E. portlandica L,
Ad littora Oceani frequens per Cantabriam (San Sebastian,
Santander) et Galleciam (Doninos, la Corufia, Pontevedra,
Vigo!
E. tetraceras Lge. n. sp., annua v. biennis, 4d-pedalis, erecta,
glaberrima, glaucescens; caulis dense foliatus, inferne mox
denudatus; folia caulina erecto-patula, lineari-lanceolata,
acula; inflorescentia paniculata, umbellæ ramorum inferiorum
2-3-radiatæ, terminalis 4-radiata; folia floralia reniformi-
cordata, obtusiascula, basi conniyenlia; involucrum campanu-
latum, intus pilis longis albis barbatum, glandulis transverse
ovalibus in 4 dentes setaceos, glandulå ipså subduplo lon-
giores abeuntibus; capsulæ cocci haud sulcati, dørso a basi
ad medium minute granulati; semina ovalia, fusca, cæsio-
pruinosa, reticulato-foveolata, caruncula parva aurantiaca
depressa.
Ad ripas fluminis Mifio pr. Valenza Lusitaniæ, 26 Aug. c-
ll. et fr,!
Obs. Affinis, quoad habitum, E. biumbellatæ Poir., cujus quoque
umbellæ 2 superpositæ, ut in nostra, interdum in plures
ramos inordinate dispositos, paniculam formantes dissolvuntur,
Differt vero hæc a nostra radice perenni, foliis floralibus
duplo majoribus, glandulis involucri bicornibus (cornubus
apice clavatis), capsulæ coccis a basi ad apicem undique,
nec dørso solo, minute granulatis, seminibus majoribus,
caruncula duplo majore. Ab E, segetali L. recedit nostra
planta caule elatiore, basi mox aphyllo, inflorescentia pani-
culata, radiis umbellarum 2-4 (neque 5), coccis capsulæ ad
medium (nec ad apicem) usque granulatis, seminibus magis
reticulatis, caruncula minore, depressa.
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