340 83. OEOHIDACEiE. 



2. 0. arachnites (Eeicliard) ; lip somewliat tumid entire or with 

 4 shallow marginal lobes and a terminal in/lexedjlat rather heart- 

 shaped appendage, anth. with a straight or hooked point, pet. 

 deltoid downy. — JE. B. S. 2596. R. xiii. 461. — Sep. pinkish. Lip 

 velvety, dark purple, variegated with yellow ; appendage green, 

 never reflexed. — Chalk downs. Folkestone and Sittingboume, 

 Kent. P. IV.— VI. Late Spider Orchis. E. 



S. O. aranif'era (Huds.) ; lip tumid obscurely 3-lohed, middle 

 lobe large emarginate loithout an appendage, anth. acute, pet. 

 linear glabrous. — E. B. 65. B. xiii. 449. — Smaller than the two 

 preceding and with fewer flowers. Sep. green. Pet. green, quite 

 glabrous. Lip deep brown, hairy with paler or yellowish gla- 

 brous lines often resembling the Greek letter n, entire at the 

 end or notched with or without a central point. — )3. O. fvcifera 

 (Sm.); lip usually undivided often with a gland in the notch, 

 pet. rough. B. B. S. 2649. — Chalky places, rare. /3. Kent, Sussex, 

 and Isle of Wight. P. IV. V. Spider Orchis. E. 



4. O. muscif'era (Huds.) ; Zijp oblong trifid with a broad pale 

 spot in the centre, middle lobe long bifid, anth. short blunt, pet. 

 filiform.— E. B. 64. B. xiii. 447. St. 40. 15.— Slender, about a 

 foot high. Sep. green. Lip brownish purple ; central spot sub- 

 quadrate, bluish. Pet. very narrow, purple. — Damp calcareous 

 thickets and pastures. P. V. VI. Fly Orchis. E. I. 



7. Heemin'itim: B. Br. Musk Orchis. 



1. H. Mcmor'chis (R. Br.) ; lip .3-lobed, central lobe longest, 

 pet. with a lobe on each side. — E. B. 71. — Root-knobs very un- 

 equal and distant. L. usually 2, lanceolate. St. about 6 in. 

 high. Sep. ovate, greenish. Spike dense, slender. — Calcareous 

 soil in the South, rare. P. VI. VIE. E. 



Tribe II. Neottidem. 

 8. Goodte'ra B. Br. 



1. O. rSpens (R. Br.) ; 1. ovate stalked netted, sep. pet. and 

 lip ovate-lanceolate. — E. B. 289. — St. 6—8 in. high, bearing 

 linear adpressed bracts. Creeping. Whole upper part of the 

 plant covered with minute stalked glands. L. netted with brown. 

 El. white, small.— Fir forests of the North. P. VIK. S. 



9. Spiean'ihes Bich. Lady's Tresses. 



1. S. aattimndlis (Rich.) ; root-fibres few ovate-oblong thick, 

 root-1. ovate-oblong in a lateral cluster, stem-1. like bracts, spike 



