

ORCHID FAMILY. 

 5. ARETHUSA L. Sp. PI. 95O . , 753 . 



Low herbs, with small bulbs and mostly solitary flowers on bracted scapaa, tk. *tar, W 



linear, hidden at first in the upper bract, protruding after flowering 



equal, conmvent and hooded above, coherent below. LipdiUtedandrecnrved. 



apex, crested on the face with straight somewhat fleshy hain lightly cfbboi 



Column adherent to the lip below, linear, narrowly winged and dilated 



Anther operculate, of 2 approximated sacs incumbent upon the column- potttnk A. 



sac, powdery-granular. Capsule erect, ellipsoid, strongly angled, f 1 *.iica 



Arethusa.] 



Two known species, the following occurring in 

 'orth America, the other in Japan. 



I. 



Arethusa bulbosa L,. 

 (Fig. 1119.) 



Arethusa. 



rethusa bulbosa L. Sp. PI. 950. 1753. 



Scape glabrous, s'-io' high, bearing 1-3 loose 

 sheathing bracts. Leaf linear, many-nerved, be- 

 coming 4 / -6 / long; flower solitary (rarely 2), aris- 

 ing from between a pair of small unequal scales, 

 -purple, i / -2 / high; sepals and petals linear to 



liptic, obtuse, arched over the column; lip usually 

 drooping beneath the sepals and petals, the apex 

 broad, rounded, often fringed or toothed, variegated 

 with purplish blotches, bearded, crested down the 

 face in three white hairy ridges; capsule about i' 

 long, ellipsoid, strongly 6-ribbed, rarely maturing. 



In bogs, Newfoundland to Ontario and Minnesota, 

 south to North Carolina and Indiana. May-June. 



6. EPIPACTIS R. Br. in Ait. Hort. Ke\v. Kd. 2. 5: 201. 1813. 



Tall stout herbs with fibrous roots and simple leafy stems. Leaves ovate or lanceolate, 

 plicate, clasping. Flowers leafy-bracted, in terminal r:u i-nien. Sepals and petals all separ- 

 ate. Spur none. Lip free, sessile, broad, concave below, constricted near the middle, the 

 upper portion dilated and petal-like. Column short, erect. Anther operculate, borne on the 

 margin of the clinandrium, erect, ovate or semiglobose, its sacs contiguous. Pollinia 

 parted, granulose, becoming attached to the glandular beak of the stigma. Capsule oblong. 

 beakless. [Greek name for Helleborine. ] 



About 10 species, widely distributed. Besides the following, another occur* in the vista ra 



United States. 



i. Epipactis viridifldra (Hoffm.) Reichb. 

 Helleborine .) 



Setapias i-iridiflora Hoffm. DenUch PI. 3: |8*. 

 Kpipactis lati/olia v.r * Inn Unas* a. MV 



451. 1842. 



Epipactis viridiflora Reichb. Fl iSjtt 



Epipacln Htlltborine A. Gray. Man Bd. 6. 904. l8ao 



Not CranU. 1769. 



Stem i-2 high, xlabrotM bak" 

 above. Leaves ovate or lanceolate, obtaa* or acute. 

 i^'-S" long, 9 // -ltf / wide; flower* grcrnul 

 low to purple; pedicels 2"-j" long; sepals 4 

 long, lanceolate; petals narrower; Up expanded 

 into a slightly undulate apex, tapering to a point: 

 bracts lanceolate, longer than the flowers. 



Near T..r,.nt.>. Ontario Syracuse and Buffs}- 

 York, tin- ..nly American stations know*. 



fOT 



distributil in K 



. 

 meUnies oonfOT 



. 



UK- i-;ui.,|H-.i- -.t differ* la having tbe II 



free from calli. jeM scutr. the sepals sad 



petals lonjrer and more tapering. Jnijr-Aug 



