156 ORCHIDACEAE 
and petals are nearly equal, adhering below, in the form of a hood above. 
The broad lip curves upward, outward and downward, broadest at the 
summit, crested with hairs down the face. The column is adherent to 
the lip and becomes petal-like and expanded at the apex. The anther is 
terminal and lid-shaped. Capsule ellipsoid, erect, angular. 
A. bulbosa, L. (Fig. 2, pl. 20.) ARreTHusa, Plant 5 to 10 in. high; 
flower solitary or rarely 2 flowers from the same scape. In bogs through- 
out our region. May-June. 
6. SERAPIAS, L. (Epipactis, R. Br.) 
Tall herbs with leafy stems. Leaves alternate, clasping the stem. 
Flowers in a long narrow cluster (raceme), with bracts below the indi- 
vidual flowers. Lip with a sac at the base, without a spur, free, broad, 
the upper portion petal-like. Segments of the perianth all separate. 
E. viridiflora, Reichb. HELLEBORINE. Stem 1 to 2 ft. high, with soft 
hairs above. Leaves egg-shaped, clasping the stem, 1 to 3 in. long. 
Flowers greenish to purple. Petals narrow, lance-shaped. Lip lobed, 
wavy. Introduced from Europe. July. 
7. SPIRANTHES, Richard (Gyrostachys, Pers.) 
Herbs with slender stems, the flower spike spiral. Leaves few, mostly 
at the base, generally narrow lance-shaped. The small white flowers 
are arranged in from 1 to 3 rows which wind, more or less, about the 
stem. Lip without a spur, broad compared with the other floral seg- 
ments which are quite narrow, the border wavy. The 3 upper segments 
of the corolla are often united. 
Flowers in 3 ranks which are only slightly twisted. 
The 3 upper segments converge and overlie each other forming a sort 
of hood; spike dense . - « « S. Romanzofiiana 
The segments separate, they do not form | a hood. 
Leaves lance-shaped .. . - .« « « S. plantaginea 
Leaves linear. eer Mer Pir rem ce 
Flowers in a single rank, the spike much twisted, not dense. 
Stem leafy, leaves grass-like . . S. praecox 
Stem not leafy, the basal leaves withering before flowering time. 
Root a single spindle-shaped tuber . . S. simplex 
Stem not leafy, 2 basal leaves more prominent than those ofS. 
simplex. Root of several tubers . . eee Tee hn) 8, oe 
1. §. Romanzoffiana, Cham. Hoopep Lapy’s Tresses. Stem 6 to 
15 in. high, leafy below, above, leaves reduced to bracts, the larger leaves 
below ranging from rather broad lanceolate to narrow linear, 3 to 8 in. 
long. Spike of flowers 1 to 4 in. long with bracts at the base of and 
shorter than the flowers. The three upper segments converge and overlie 
each other, to a greater or less extent, forming a sort of hood. Moist 
cold soil in all our area, July-Aug. 
2. §. plantaginea, Raf. Wupe-Leavep Lapy’s Tresses. (8S. lucida, 
Ames.) Stem 4 to 9 or more in. high, smooth and naked except at lower 
part. Leaves oblong or lance-shaped 1 to 5 in. long, + to ~ in. wide, all 
close to the base and all distinctly 3-nerved. Spike 1 to 3 in. long, 
narrow. The outer flower segments do not unite with the upper inner 
segments and are narrow lance-shaped. The upper segment of the outer 
row somewhat united with the two upper petals. Face of lip pale yel- 
low. Moist soil, common, June-Aug. 
