322 On New Genera and Species of Nyctaginacee. 
and narrow salient ribs.—The following appears to be more nearly 
related to this than to any other; but it is probably a distinct 
species. 
ERHAVIA Wricutm (sp. nov.): caulibus e radice annua 
erectis sracilibas laxe ramosis ramisque glanduloso-viscosis ; foliis 
oblongis undulatis nigro-punctatis subtus albidis, summis lineari- 
us; pedunculis paniculatis spiculam brevem demum sparsifloram 
gerentibus : pedicellis brevissimis basi unibracteatis apice bibrac- 
teolatis ; bracteis bracteolisque ovatis cuspidato-acuminatis cilia- 
tis flore evoluto brevioribus; staminibus 3-4; fructu breviter ob- 
ovato glabro inter costas 5 crassas ueuikea: Pebbly hills near El 
Paso, Sept. (Wright, No. 610). Near Messillas, Northern Mex- 
ico, Gregg (No. 533, scarcely in flower)? Plant about a foot 
high. Leaves thickish, small. Rhachis of the slender, sige 
ted, and mostly simple spikes an inch or more in length. 
and bractlets purplish, deciduous. Perigonium smaller than in 
the preceding species, pale. Fruit barely a line in length. 
. Borrmavia Lineariroxia (sp. nov.): caulibus e radice lige 
nescente diffusis paniculato-ramosissimis glanduloso-viscosis s basi 
hispidis seu villosis; foliis linearibus et lanceolatis brevissime pe- 
tiolatis. mucronato-acutatis crassiusculis margine revolutis parce 
hispidis; floribus effuse eymosis breviter pedicellatis singulis basi 
3-5- bracteolatis ; bracteolis persistentibus; staminibus 5; fructt 
clavato-oblongo elabro utrinque obtusissimo, costis nerassitiodge 
Var. 8. glabrata: caulibus inferne arr: glabris vel glabratis— 
Western Texas, common, Wright, (No. 8, 1724,) Lindheimer 
atin Mexico, Gregg. Plant siete, a ae d, form- 
g large bunches. Perigonium purple ; the limb rotate: when 
fully expanded, and half an inch in diameter: constricted t tube 
scarcely any. Fruit a line and a half lo ong. 
§ 2. Fructus 10-costatus, turbinatus. Perigonium hypocrate- 
Seren, tubo subelongato villosissimo. Flores Feit 
uodos ramorum paniculie. 
_ BoeRHAvIA ERIOSOLENA (sp. nov.): glabra; caule erecto hine 
inde glutinoso superne ramisque floridis nudis; foliis carnosis. oxay 
tis nune subcordatis margive denticulato-glandulosis junioribus 
subtus petiolisjue parce hirtallis, superioribus in bracteas subDUr 
parvas pe sprennionss pedicellis brevibus seu. brevissi0nls; 
riosis oblongis cuspidato-acuminalis sub ni 
vertieillatis involuceliam eflicientibus persistetibus fructu tur 
nato crasse 10)-cos o breviorbus; 
heave 
