FLOWERING PLANTS AND FERNS OF ARIZONA 213 



1. Malaxis corymbosa (S. Wats.) Kuntze, Rev. Gen. PI. 2: 673. 1891. 



Microstylis corymbosa S. Wats., Amer. Acad. Arts and Sci. 

 Proc. 18: 195. 1883. 



Chiricahua and Huachuca Mountains (Cochise County), Santa 

 Catalina Mountains (Pima County), about 6,000 feet, August, type 

 from Tanners Canyon, Huachuca Mountains (Lemmon 2882j. 

 Southern Arizona to Guatemala. 



2. Malaxis soulei L. O. Williams, Mo. Bot, Gard. Ann. 21: 343. 1934. 



Microstylis montana Rothr. in Wheeler, U. S. Survey West 



100th Mer. Rpt. 6: 264. 1878. 

 Malaxis montana Kuntze, Rev. Gen. PL 2: 673. 1891. Not 



Blume, 1826. 



Buck Springs Ranger Station, Coconino County (Collom 700), 

 Pinaleno Mountains (Graham County), fairly common in the moun- 

 tains of Cochise and Pima Counties, 7,000 to 9,500 feet, in pine woods, 

 July to September, type from Mount Graham (Rothrock 264). New 

 Mexico and Arizona south to Oaxaca. 



3. Malaxis tenuis (S. Wats.) Ames, Biol. Soc. Wash. Proc. 35: 85. 



1922. 



Microstylis tenuis S. Wats., Amer. Acad. Arts and Sci. Proc. 26: 

 152. 1891. 



Santa Catalina Mountains, Pima County (Peebles et al. 2518), 

 7,000 feet. New Mexico, Arizona, and Mexico. 



4. Malaxis ehrenbergii (Reichb, f.) Kuntze, Rev. Gen. PI. 2: 673. 



1891. 



Microstylis ehrenbergii Reichb. f., Linnaea 22: 835. 1849. 

 Microstylis purpurea S. Wats., Amer. Acad. Arts and Sci. Proc. 

 18: 195. 1883. 



Huachuca Mountains (Cochise County), Santa Catalina Moun- 

 tains (Pima County), about 7,500 feet, moist mossy places, August, 

 type of Microstylis purpurea from the Huachuca Mountains (Lem- 

 mon 2881). New Mexico and Arizona to Guatemala. 



9. CALYPSO 



Stem from a corm, low, 1-leaved and 1 -flowered; leaf broadly ovate 

 or suborbicular; flower showy; lip boat-shaped, pendent, more than 

 1 cm. long, purple, striped and mottled with darker color, bearded 

 with long, usually bright yellow hairs. 



1. Calypso bulbosa (L.) Oakes, Cat. Vermont PL 28. 1S42. 



Cypripedium bulbosum L., Sp. PL 951. 1753. 



Baldy Peak. Apache County (Goodding 1145), Hannigan Meadow. 

 Greenlee County {McNeill in 1936), San Francisco Peaks. Coconino 

 County (Goldman 2106), about 9,000 feet, in dense woods. June to 

 July. Labrador to Alaska, south to New England, Michigan, 

 Arizona, and California. 



10. HEXALECTRIS 



Plant without chlorophyll, the leaves reduced to sheathing scales; 

 flowering stem from a thick corallike rootstoek; flowers about 2 cm. 



