W ATSON—Plants of Bernalillo County 
rg. sERICEUS, Swartz-Sericeous excepting the glab- 
rous upper leaf surface; stems slender or filiform, 
acuteleaves subsessile, lanceolate or linear-lanceolate, 
1-2 to nearly 1 im. long, erect or ascending, mucronate- 
acuminate or acute; silky pubescent fine and close- 
pressed, sometimes short, whitish or fulvous; sepals 
ovate-lanceolate. 
E. ARGENTEOUS, Pursh. Many-stemmed from a 
somewhat woody base, dwarf, silky villous all over; 
leaves crowded, broadly lanceolate, sessile, or the lower 
oblong-spatulate and short petioled, about 1-2 in. long; 
flowers almost sessile in the axils. 
CUSCUTA, Tourn. Dodder. 
Leafless, annual, parasitic herbs, with thread-like 
yellowish or reddish stems and twining on herb or 
shrubs to which they adhere by means of suckers; 
small, mostly white flowers in dense clusters. In ours 
the calyx is gamosepalous, ovary and pod depressed- 
globose, capsule indehiscent and styles distinct, more 
or less unequal. 
c. ARvENsIS, Bey. (Field D.) Stem pale and slen- 
der, low; flowers smaller than in many, scarcely 1-12 
in. long; calyx-lobes obtuse, mostly very broad; those 
of the corolla acuminate, longer than the tube, with in- 
flexed points; scales large, deeply fringed. In the 
more moist places on the mesa and in the valley. “On 
various low plants.” 
19. ASCLEPIADEAE. mitxkwerep FamItLy. 
Plants with milky juice. opposite or whorled, en- 
tire leaves, follicular pods, seeds and anthers, just as in 
the following family from which these differ in the 
valvate corolla, in the connection of anthers with stig- 
ma and the cohesion of pollen. 
AScLEPIAS, L. Milkweed Silkweed. 
Perennial upright herbs, with peduncles bearing 
simple many-flowered umbels; 5-parted, persistent 
calyx with small reflexed divisions; deeply 5-parted 
corolla with reflexed deciduous divisions; crown of 5- 
hooded bodies seated on the stamen tube and each con- 
taining an incurved horn, the two pollen masses of the 
adjacent cells unite and hang by their summits from 
5 cloven glands that grow on the angles of the stigma; 
2 ovaries and styles but one large 5-angled fleshy stig- 
ma, seeds with long silky hairs, flat. 
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