1. Isochilus linearis (Jacg.) R. Brown in Aiton 
Hort. Kew. ed. 2, 5 (1813) 209—Cogniaux in Martius 
Fl. Bras. 8, pt. 5 (1898) 3, t. 1—Schweinfurth in Bot. 
Mus. Leafl. Harvard Univ. 8 (1940) 44. 
Helleborine tenuifolia repens Plumier Cat. Pl. Amer. 
(1703) 9. 
Serapias folis linearibus; radice repente, floribus spi- 
catis Plumier Pl. Amer. (ed. Burm.) (1758) 177, t. 
182, fig. 1. 
Epidendrum lineare Jacquin Select. Stirp. Amer. 
(1768) 221, t. 181, fig. 1. 
Cymbidium lineare Swartzin Nov. Act. Upsal. 6 (1799) 
72—Willdenow Sp. Pl. 4 (1805) 97. 
Leptothrium lneare Kunth ex Steudel Nomencl., ed. 
2 (1840) 82. 
Tsochilus leucanthus Rodriguez Gen. & Sp. Orch. Nov. 
1 (1877) 47. 
Tsochilus linearis R. Brown var. 8. leucanthus Cogniaux 
in Martius FI. Bras. 8, pt. 5 (1898) 4. 
Tsochilus pauciflorus Cogniaux in Urban Symb. Antill. 
6 (1910) 459. 
TIsochilus Langlassei Schlechter in Fedde Repert. 16 
(1920) 442. 
Isochilus peruvianus Schlechter in Fedde Repert. 
Beih. 9 (1921) 79; ex Mansfeld in Fedde Repert. Beih. 
57 (1929) t. 116, Nr. 455. 
Tsochilus brasiliensis Schlechter in Fedde Repert. 
Beih. 9 (1921) 80; in Fedde Repert. Beih. 48 (1930) 
t. 89, fig. 155. 
Tsochilus linearis is related to var. wnilateralis primarily 
through the linear leaves and verrucose leaf-sheaths. It 
is related to var. carnosifiorus through the verrucose 
leaf-sheaths and through the type of flowers which are 
commonly arranged in a loose distichous raceme. ‘The 
flowers are variously colored. Collectors’ notes give 
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