8 Muhlenbergia, Volume 4 
CORALLORHIZA MERTENSIANA. 165. Lip ovate-oblong ob- 
tuse somewhat emarginate, provided on both sides near the base 
with an incurved tooth; spur free. 
Root branched, flexuous; the branches provided with short 
obtuse “teeth.” Scape erect, sheathed, leafless, very smooth, 
8-11 inches long including the inflorescence. Sheaths long, 
generally two on the scape; the many scales sheathing at the 
base of the scape. Spike about four inches long, bearing 20 or 
more flowers. Flowers red, about 8 lines long. The outer lobes 
of the perianth lanceolate, acute, attenuate at the base; the inner 
ones similar in shape, imperfectly covered by two of the outer 
ones, all three nerved, subequal, about 4 lines long. Lip ovate- 
oblong, obtuse, slightly emarginate, three-nerved, provided on 
both sides near the base with an incurved acute tooth, spurred; 
spur free, obtuse, downcurved, twice shorter than the ovary and 
lip. Gynostemium sublinear, erect, 3 lines long. 
CLAYTONIA ASARIFOLIA 137. Leaves veined, the radical 
ones petioled subreniform, the cauline opposite sessile, broadly 
ovate, petals bifid red. 
Plant a foot and more high, wholly glabrous. 
Stems: caespitose, terete, naked below, leafy above. Radi- 
cal leaves long petioled, subreniform, nearly 4 inches broad, 
veined; principal veins 5 radiating from the petiole. Stem leaves 
opposite, sessile, broadly ovate, obtuse, without a mucro, veined, 
nearly an inch long and broad. Flowers racemose, red. Bracts 
linear. Pedicels often solitary, sometimes in threes. Sepals 
broadly ovate, acute. Petals twice longer than the calyx, bifid, 
the lobes obtuse. Seed round, compressed, lens-form, slightly 
beaked, very black, shining, as if varnished. 
CLAYTONIA FLAGELLARIS 137. Stems caespitose flagelli- 
form, leaves oval veined attenuate into the petiole. 
Root fibrous, slender, annual. Stem caespitose, decumbent, 
flagelliform, here and there the fascicles of leaves and. rootlets 
protruding, slender, glabrous, a foot long. Leaves caespitose, 
