141. 
1. Flowers without a calyx, in a calyx-like involucre, (Also, 
staminate flowers culstered around a single pistillate 
one; styles 3, each 2-cleft; outer structure (cyathium) 
surrounding the involucre and bearing 4 or 5 glands, 
these often with petaloid appendages).........+..e++.~4 Euphorbia 
Acalypha virginica L. Three-seeded Mercury 
Ivy Neck. Infrequent along trail to artificial pond, above source 
of Cheston Creek drainage. Associate species: Galinsoga ciliata, Gratiola 
neglecta, Ranunculus sceleratus, Perilla frutescens. Higman 1065. 
Euphorbia 
1. Leaves entire, symmetrical; appendages (on glands of 
cyathium) broadly obovate, petaloid; inflorescence 
terminal, umbellaternescccsccvesecsscccvcssssesesseceos Be Ccorollata 
1. Leaves serrulate, oblique at base; appendages narrow 
or rudimentary; inflorescence of axillary clusters. 
2, Stem semi-prostrate, villous; appendages white, 
narrow; ovary and capsule strigose..........++++... H. Supina 
2. Stem erect or ascending, glabrous; appendages 
pink to maroon, very small; ovary and capsule 
glabrous (purple spot on leaves is not a 
Consistent Characrer)iiwie cscs sseise eelasiessicisas ese e (he Maculata 
Euphorbia corollata L. Flowering Spurge 
Java Farm. Infrequent in old fields among dense Rubus sp., 
Rhus radicans, and Lonicera japonica. Higman 137, 388. 
E. supina Raf. Milk-purslane 
(not in Britton and Brown) 
Java Farm. One station on Fox Point Road. Associate species: 
Digitaria ischaemum, Eragrostis spectabilis, Juncus tenius. Higman 28. 
E. maculata L. Wortweed, Eyebane 
Java Farm. Infrequent in cracked pavement at main building area and 
along Fox Point and old entrance roads. Higman 14, 120, 543, 983. 
