W ATSON—Plants of Bernalillo County 
of the Barelas bridge over the Rio Grande. 
21. GENTIANEAE, (GEnTIAN FAMILY 
Smooth herbs with opposite sessile leaves without 
stipules. 
style jurform, deciduous, anthers spirally twisting 
age, parts of flower 4 or 5 - (1) ERYTHRABA, 
Stylg stout and persistent, anthers remain straight 
Coralla without nectar pits or large glands, fun- 
nel-form, parts 5 - - (2) GENTIANA. 
Corolla with glands or pits, 4-parted, rotate 
- - - - (3) FRASERA. 
1. ERYTHRAEA, Richard. (Century. ) 
Low and small branching annuals, chiefly with rose 
purple or reddish flowers, funnelform or salverform 
corolla with slender exserted erect anthers, and _ ob- 
long-ovate to fusiform pod. 
E. CALycosa, Bucyley. Paniculately or somewhat 
eymosely branched; leaves from narrowly oblong to 
lanceolate or linear; inflorescence loose; pedicels 
mostly as long as the calyx or the flower; corolla-lobes 
oval or oblong, obtuse, 1-4 to 1-2 in. long, the tube 
usually equalled by the calyx. Towards Isleta in san- 
dy fields. 
2. GENITIANA, Tourn. Gentian. Calyx 
eommonly with a membraneous tube. Stamens on the 
tube of the corolla, style very short or none, seeds very 
numerous. Herbs with conspicuous flowers of various 
colors, late summer or autumn. MHerbage and roots 
very bitter. 
G. AFFINIS, Griseb. Stems clustered 8 in. or more 
high; leaves many, from oblong to line ar; flowers 
numerous or few; bracts lanceolate or linear; calyx- 
lobes linear or subulate, unequal and variable, the 
longest rarely equalling the tube and shorter minute; 
corolla an inch or less long, rather narrowly funnel- 
form, plicate at the sinuses and the plaits extended in- 
to lobes or teeth which are laciniate toothed or cleft 
and sometimes almost equalling the ovate, acutish, or 
mucronulate-pointed , spreading lobes. Sandia Mts. 
September. Quite common the south end of Rim 
Rock. 
22. PRIMULACEAE. primrosr FAMILy. 
Herbs with simple leaves; regular, perfect flowers ; 
calyx free from the ovary which has a central free pla- 
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