2G0 TWENTY-FIRST REPORT. 



23. APLECTRUM Nutt. Putty-root. 

 Apleciruni hyemale (Muhl.) Torr. (lasting over the winter). 



Frequent in the deciduous woods of the south half of the Lower Peninsula. Not 

 recorded north of Saginaw Bay (1919). May — June. 

 Specimens examined: — Gratiot Co. (C. A. Davis, June, 1892); Macomb Co. 

 (Dr. D. Cooley, May, 1844); Cass Co. (H. S. Pepoon, April, 1905), No. 656; Ingham 

 and Van Buren counties (H. S. Pepoon, June, 1906), No. 698; Kent Co. (L. J. Cole, 

 May 1895); Berrien Co. (G. L. Ames, 1868); St. Clair and Wayne counties (C. K. 

 Dodge, 1897). 



Reported from: — Jackson Co. (S. H, Camp); Washtenaw Co. (Miss E. C. AUmen- 

 dinger) ; Wayne Co. (Gillman) ; Montcalm, Genesee and Ionia counties (Wheeler and 

 Smith's Cat., 1881); Calhoun Co. (C. C. MeDermid). 



24. CORALLORRHIZA (Haller) Chatelain. Coral-root. 



Lip with lateral lobes; mature ovaries medium-sized (8-15 mm. long). 



Lip white, not spotted; lateral lobes of lip sma.ll 1. C. corallorrhiza. 



Lip white, spotted, lateral lobes of lip large 2. C. macidata. 



Lip not distinctly lobed laterally; the terminal portion may be denticulate; mature 

 ovaries small (about 6 mm. long) or large (15-20 mm. long). 

 Ovary about 6 mm. long; perianth about 4 mm. long. ... 3. C. odontorrhiza. 

 Ovary 15-20 mm. long; perianth large (16-18 mm. long), 



with conspicuous striations 4. C. striata. 



1. Corallorrhiza corallorrhiza (L.) Karst. 



Corallorrhiza trifida Chatelain. 

 Corallorrhiza innota R. Br. 

 Early Coral -root. 



Frequent throughout, May — June. Usually in damp woods. 

 Specimens examined: — ^Van Buren Co. (H. S. Pepoon, June, 1903), No. 131; 

 Manistee Co. (F. P. Daniels, June, 1900); Grand Traverse Co. (D. A. Pelton, June, 

 1888); Keweenaw Co. (C. A. Farwell); Gratiot Co. (C. A. Davis, June, 1894); St. 

 Clair Co. (Douglas Houghton, 1838); Isle Royale (Dr. A. E. Foote, 1868); Cheboygan 

 Co. (H. C. Beardslee, July, 1890); Sanilac and Alger counties, (C. K. Dodge). 



Reported from:— Cass Co. (H. S. Pepoon); Oakland Co. (I. W. Stacey); Kent Co. 

 (Emma Cole); Clinton, Roscommon and Benzie counties (Wheeler and Smith's Cat.); 

 Bois Blanc Island, Mackinac Island and Thunder Bay Island (C. K. Dodge); Calhoun 

 Co. (C. C. MeDermid); Emmet Co. (Fallass and Swift), "damp mossy woods"; Mar- 

 quette Co. (C. K. Dodge, 1918). 



2. Corallorrhiza maculata Raf. (spotted). 



Corallorrhiza mulliflora Nutt. 

 Large Spotted Coral-root. 



Woods throughout. Frequent. July — Sept. 



