4i3G ORCIIIDACK^. (OHCHIS FAMILY.) 



6. TIPULARIA, Nutt. 



Scpnls and petals oliluii;.', spreading. Lip lon{,'-spuneil, ."i-lobeil, tlic lateral 

 lobes siiort and triangnlar, the middle lobe linear. .Spnr filil'oini, ascending. 

 Column slender, wingless. Anther lid-like. Pollen-masses 4, stalked, waxy. — 

 Root tuberous, proliferous, first producing a single ovate leaf, on a sheathed 

 petiole, afterward a slender sheathed swipe, ending in a long raceme of numer- 

 ous greenish flowers. 



1. T. discolor, Nutt. — Shady banks, Florida, and northward. Aug. — 

 Scape about 1° high. Leaf 1'- 2' long, acute, somewhat plaited and many- 

 nerved, purple beneath. Flowers small, nodding, bractless. Spur about 1' 

 long. 



7. BLETIA, Vuih and I'avon. 



Sepals and petals alike and nearly equal, spreading. Lip spurlcss, jointed, 

 3-lobed, crested on the face. Column free, elongated, scmi-terctc Anther 

 lid-like, fleshy. Pollen-masses 8, by pairs, with a stalk to each pair, waxy, 

 becoming powdery. — Scape fi'om tuberous rootstocks, sheathed or scaly, many- 

 flowered. Leaves sheathing the base of the scape, narrow, jjlaited, sometimes 

 wanting. Flowers spicate or racemose, mostly showy. 



1. B. aphylla, Nutt. Leafless ; scape stout, terete, tapering into the 

 many-flowered spike ; sheaths several, short, the upper ones passing into the 

 ovate acuminate bracts ; flowers spreading, brownish, striped with purple ; 

 sepals and petals oblong-lanceolate, oblicpie ; lip concave, emarginate, with a 

 6-ridged crest along the middle, the lateral lobes erect. — Rich shaded soil, 

 Florida to North Carolina, and westward. July and Aug. — Root consisting of 

 horizontal, jointed tubers. Scape I°- 1^° high. Perianth 3' long. 



2. B. vereeunda, Swartz. Scape leafy at the base, many-flowered ; leaves 

 lanceolate, plaited, strongly nerved ; petals and sepals greenish, the former con- 

 nivent ; lip saccate, wavy and furrowed, emarginate. — Open pine barrens, 

 Middle and East Florida. July. — Scape 1° - 1^° high. Leaves 6' - 9' long. 



8. CALOPOGON, R. Brown. 



Sepals unequal, the two lateral ones broader and oblique. Lip (by the 

 untwisted ovary) brought to the upper or inner side of the flower, dilated at 

 the apex, bearded on the face, and narrowed into a hinge-like claw. Column 

 long, incurved, winged at the apex. Anther teiTninal, lid-like, sessile. Pollen- 

 masses 2, powdery. — Scape erect from a solid tuber, sheathed at the base, 

 bearing below the middle a single narrow sheathing leaf, and terminated with a 

 loose spike of showy flowers. 



1. C. pulchellus, R.Br. Scape 2 - 8-flowcrcd ; leaf linear-lanceolate, 

 erect, keeled, many-nerved ; flowers large, mostly approximate, bright purple ; 

 lateral sepals obliquely ovate, abruptly pointed, shorter than the lanceolate 

 obtuse petals ; lip broadly obcordate, acutely 2-earcd at the base ; filaments of 

 the crest decurrent on the claw, the lower ones purple and united ; ovary 



