Bulletin University of New Mexico—No. 49 
PuorapEenron, Nutt. (False Mistletoe.) 
Yellowish-green dioecious, much branched, stems, 
forming a thick bunch; berries semfi-transparent. 
P. sunreertnum, Hngelm. Glabrous 6 to 10 inches 
high; branches round. The youngest pranchlets quad- 
rangular; scales (leaves) broadly triangular, rather ob- 
tuse apex; berry whitish or light red; 1-8 of an in. in 
width. Common on Cedars in the mountains. Furth- 
er south grows the American Mistletoe (P. flavescens) 
with green foliaceous leaves. 
59. SANTALACEHAE, (Sanpat-woop F amity.) 
Herbs or a bit shrubby at base, mostly root parasites, 
with angled or straight branches; entire, alternate, ses- 
sile leaves, without stipules; perfect flowers with 3to 5 
cleft perianth adherent to the 1-celled 2 to 4-ovuled 
ovary, which becomes an indehiscent 1-seeded nut-like 
fruit; 3 to 5 stamens at the edge of disk which covers 
the ovary. 
Comanpra, Nutt. (Bastard Toad-flax.) 
Low, herbaceous, smooth perennials, with subterra- 
nean roots-stocks; glaucous leaves, lowest scale like; 
greenish-white flowers in small umbellate clusters; 
calyx bell-shaped with a 5-lobed limb; stamens includ- 
ed. 
C. uMBELLATE, Nutt. 6 to 12 inches high, branched ; 
very leafy; leaves oblong, pale, 1 inch long. Calyx 
tube, forms a neck on the dry globular urn-shaped fruit. 
This is apparently var. ancusTrroLia, with all the mid- 
dle and upper leaves linear and acute. Sandia Mts. 
60. URTICACEAE. (Nerrie Famiry. 
Herbs, shrubs, or trees (ours small), with stipules, 
monoecious or dioecious or rarely perfect flowers; 
ealyx regular, free from the (usually 1-celled) ovary 
which forms a 1-seeded fruit; stamens as many as the 
calyx lobes or fewer and opposite them. The elms and 
commonly planted mulberry, the hedge plant Osage 
orange (thorny), and the hop vine belong here. 
Cexitis, 2. Hackberry. 
A small tree with alternate, unequal sharply pin- 
nate-veined serrate leaves with short petioles, stipules 
falling early; greenish axillary flowers. 
C. reticutata, Torr. (Reticulated. H.) Some- 
what pubescent with short spreading hairs; leaves thick, 
very rough and strongly reticulated, 2 to 4 inches long, 
obliquely ovate-cordate at base, shortly acuminate, 
(87) 
