OBCHIDACEAE 327 



1. Limodorum multiflorum (Lindl.) C. Mohr. Leaf -blade linear, 815 cm. 

 long : scape 2-4 dm. tall : perianth deep purple : lateral sepals ovate, 10-12 mm. long, 

 acute: petals 12-13 mm. long, the blades ovate or obovate: middle lobe of the lip 

 broadly cuneate, 8-9 mm. wide, truncate and mucronate: column-wings rhombic. 



In pine lands, Florida. Spring. 



2. Limodorum pinetoram Small. Leaf -blade narrowly linear, 0.5-1.5 dm. long: 

 scape 1-2.5 dm. tall: perianth deep rose: lateral sepals oblong-ovate, 10.5-11.5 

 mm. long, acutish: petals 11-12 mm. long, the blade oblong: middle lobe of the lip 

 cuneate, 6-8 mm. wide, nearly truncate at the apex and mucronate: column-wings 

 half -orbicular. 



In pine lands, southern peninsular Florida. Spring. 



3. Limodorum graminifolium (Ell.) Small. Leaf -blade narrowly linear, 1-2 

 dm. long: scape 1.5-4 dm. tall: perianth bright purple: lateral sepals ovate or 

 elliptic-oblong, 11-14 mm. long, abruptly contracted at the apex: petals 13-15 mm. 

 long, the blade oblong-lanceolate: middle lobe of the lip orbicular-reniform, 9-10 

 mm. wide, broadly rounded at the apex: column-wings nearly half -orbicular. 



In pine lands, North Carolina to Florida. Spring. 



4. Limodorum tuberosum L. Leaf -blade broadly linear to narrowly oblong, 

 1-4 dm. long: scape 2-9 dm. tall: perianth pink-purple: lateral sepals half -orbicular, 

 15-17 mm. long, acute : petals 16-18 mm. long, the blade oblong to lanceolate : middle 

 lobe of the lip mostly less than 10 mm. wide, flabellate, nearly truncate: column- 

 wings rhombic. 



In swamps, Newfoundland to Minnesota, Florida and Missouri. Spring and summer. 



5. Limodorum Simpsonii (Chapm.) Small. Leaf -blade narrowly linear, _30-40 

 cm. long: scape 5-9 dm. tall: perianth purple or rarely white: lateral sepals~half^ 

 orbicular, 17-18 mm. long, cuspidate: petals 20-22 mm. long, the blade oblong-ovate: 

 middle lobe of the lip 8-10 mm. wide, obreniform, emarginate, mostly over 11 mm. 

 wide: column-wings broadly obovate. 



In swamps, mostly in the Everglades, Florida. Also in Cuba and the Bahamas. Spring 

 to fall. * 



6. Limodorum pallidum ( Chapm. X C. Mohr. Leaf -blade narrowly linear, 10-30 

 cm. long: scape 2-5 dm. tall: perianth white tinged with purple: lateral sepals 

 broadly oblong to obovate, 11-13 mm. long, acute: petals 13-14 mm. long, the blades 

 linear to linear-lanceolate: middle lobe of the lip 5-6 mm. wide, cuneate-flabellate, 

 emarginate: column-wings broadly deltoid. 



In pine lands, North Carolina to Florida and Alabama. Spring. 



36. TIFULARIA Nutt. 



Caulescent herbs, with corms. Leaf solitary terminating the corm, decaying 

 before the lateral scaly stem arises. Flowers numerous, in a terminal raceme. 

 Perianth green. Lateral sepals nearly equilateral. Petals shorter and narrower than 

 the sepals. Lip free, with 2 broad basal lobes and a narrow terminal lobe, long- 

 spurred. Capsules nodding. 



1. Tipularia unifolia (Muhl.) B.S.P. Leaf solitary, autumnal; blade ovate or 

 ovate-lanceolate, 4-9 cm. long: flower-stalk 3-6 dm. tall: raceme loosely flowered: 

 lateral sepals broadly linear or oblong-linear, 6-8 mm. long: petals broadly linear: 

 lip about 7 mm. long, the lateral lobes broad, toothed, the terminal lobe linear; spur 

 slender: capsules 10-12 mm. long. 



In woods and on banks, Vermont to Michigan, Florida and Louisiana. Summer. 



37. HEXALECTRIS Eaf. 



Caulescent herbs, with coral-like rootstocks. Leaves scale-like. Flowers in a 

 terminal raceme. Perianth brownish purple striped with light purple. Lateral sepals 

 inequilateral, shorter than the median one. Petals curved, longer than the lateral 

 sepals. Lip 3-lobed, with a crest of several ridges, spurless. Capsule drooping. 



