W ATSON- - Plants of Bernalillo County 
C. gunnisoni, Watson. Stem with a bulb at base, 
petals 1.2 to 1.4 in. long, light lilac, yellowish-green 
below the middle and lined with purple, the  trans- 
verse gland nearly as broad as the petal. Among the 
oaks, high up in the Sandia Mts. | 
6. \Zy@apEnus, Mz. 
Very smooth perennials, with simple stems from a 
coated bulb, leaves linear; large-panicled, greenish- 
white perfect or polygamous flowers; the sepals petal- 
like, oblong or obovate, with 1 or 2 glands near the 
base; stamens free from the sepals and about their 
length; 3 styles, ovoid conical pod and angled seeds. 
Z. NuUTTALLU, Gray. Stems 1 to 3 ft. high; leaves — 
flat, carinate; racemes rather densely flowered with 
narrow bracts; perianth free; sepals with an ill-defin- 
ed gland at base, not at all clawed; seeds 1-4 in. broad. 
Sandia Mts. July. 
Fam. 67, theRususs; 69, the Szpaxs (scarce here(; 
and 70, the Grassrs are not treated here as they are 
difficult for beginners. 
68. LEMNACEAE. Duckweed F. 
Minute stemless plants, floating free on the water, 
no differentation of leaf and stem, but merely a frond 
with hanging roots underneath. The blossoms. and 
fruit are rarely seen. 
Frond 7 to 11 nerved, with severed rootlets, SprRODEIA. 
Frond 1 to 5 nerved, with 1 rootlet, - - Lemna. 
SPIRODELA poLyrRuHiza, L. Schleiden. Frond. 
round-obovate, 1-6 to 1-3 in. long, thick, purple and 
rather convex beneath, dark green above, palmately 
mostly 7-nerved. Common in some ponds about the 
Fair Grounds. 
Lemna, minor, L. Fronds round to elliptical-obo- 
vate, 1-2 to 1-8 in. in diameter. With the last. 
7. ALISMACEAE. (Warter-pLantaiIn Famiry. 
Marsh herbs with fibrous roots, scape-like stems; 
transversely veined, sheathing petioled radical leaves; 
perianth of 3 herbaceous persistent sepals, and 3 white 
deciduous petals; many 1-celled ovaries forming 1- 
seeded achenes. 
Saqitrarta, LZ. (Arrow-head.) 
Stoloniferous; juice milky; the leaves often blade- 
less; stems mostly simple, bearing one or a few whorls 
of flowers usually in threes. Stamenate above, stam- 
ens numerous. 
(94) 
