322 
Euphorbia segetalis L. 
Vigo Gallecie; Carucedo, Villa de Palos (Vierzo)! la Granja, 
Aranjuez (Pourr.)! 
E. portlandica L. 
Ad littora Oceani frequens per Cantabriam (San Sebastian, 
Santander) et Galleciam (Doniiíos, la Coruíia, Pontevedra, 
Vigo! 
E. tetraceras Lge. n. sp., annua v. biennis, 1i-pedalis, erecta, 
glaberrima, glaucescens; caulis dense foliatus, inferne mox 
denudatus; folia caulina erecto-patula, lineari - lanceolata, 
acuta; inflorescentia paniculata, umbelle ramorum inferiorum 
2-9-radiate, terminalis 4-radiata; folia floralia reniformi- 
cordata, obtusiuscula, basi conniventia; involucrum campanu- 
latum, intus pilis longis albis barbatum, glandulis transverse 
ovalibus in 4 dentes setaceos, glandulà ipsà subduplo lon- 
giores abeuntibus; capsule cocci haud sulcati, dorso a basi 
ad medium minute granulati; semina ovalia, fusca, casio- 
pruinosa, reticulato-foveolata, caruncula parva aurantiaca 
depressa. 
Ad ripas (fluminis Miiio pr. Valenza Lusitanie, 26 Aug. c. 
fl. et fr.! 
Obs. Affinis, quoad habitum, E. biumbellate Poir., cujus quoque 
umbelle 2 superposite, ut in nostra, interdum in plures 
ramos inordinate dispositos, paniculam formantes dissolvuntur. 
Differt vero hec a nostra radice perenni, foliis floralibus 
duplo majoribus, glandulis involucri bicornibus (cornubus 
apice clavatis), capsule coccis a basi ad apicem undique, 
nec dorso 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 capsule ad 
medium (nec ad apicem) usque granulatis, seminibus magis 
reticulatis, caruncula minore, depressa. 
