352 84. lEiDACRs:. 



concave acute.— ^. B. 72.— St. 1—4 in. higi, 5-edged. Sep. 

 ovate, spreading, 2 turning upwards. Lip superior, erect, 3- 

 veined, its base surrounding the column. L. fringed at the end 

 with little bulbs. Forming a small bulb at its base. — This plant 

 and the next rather grow upon the moss as epiphytes than 

 amongst it. — Spongy bogs. P. VIII. IX. E. S. I. 



17. SiTiBM'iA Beiehen. 



1. S. Loesel'ii (R.) ; 1. oblong-lanoeolate, st. triangular, lip 

 obovate exceeding the petals. — Malaxis Sm., E. B. 47. Liparis 

 Hook. — St. 6—10 in. high. Fl. 6 — 12, in a lax spike, yellowish. 

 Sep. lanceolate. Pet. linear. Forming a large ovate bulb at its 

 base, enclosed in the whitish sheaths of the decayed leaves. An 

 epiphyte ? — Liparis is the name of a genus of insects, and also 

 of fish. I follow Koch in adopting Sturmia. — Spongy bogs in 

 Norf, Suffi, and Camb., now very rare. P. VI. E. 



Tribe V. Cypripediem. 

 18. Ctpeipb'ditjm Linn. Lady's Slipper. 



1. C. CalcSolus (L.); st. leafy, middle lobe of the column 

 nearly ovate blunt deflexed, lip slightly depressed falling short 

 of the calyx. — E. B. 1, — St. 12 — 18 in. high, downy, bearing 8 

 or 4 large ovate pointed leaves. Fl. usually solitary or 2, large ; 

 Sep. 1 — 1| in. long, dark brown ; pet. dark brown, rather narrower 

 than sep. ; lip 1 m. long, inflated, yellow, netted with darker 

 veins. — -Dense Northern woods, very rare. P. V. VI. E. 



Order LXXXIV. lEIDACE^. 



Perianth tubular, 6-parted, petal-like, in 2 often unequal rows. 

 Stam. 3, epigynous, opposite the outer segments of the perianth. 

 A nth. bursting outwards. Ovary inferior, 3-celled. Style 1. 

 Stigmas 3, dilated, often like petals. Caps. 3-celled, 3-valved; 

 valves bearing the dissepiments in the middle. Seeds many. 

 Embryo cylindrical, enclosed in horny or fleshy albumen. Ra- 

 dicle pointing towards the bile. 



1. SiSYEiNCHiTJM. Perianth 6-cleft; segments nearly equal, 

 patent. Style short. Stigmas 3, rolled inwards, filiform. 

 Filaments connate below. 



