C. vera tri folia

(Veratrum-leaved).* fl. pure white, except the green tips of the sepals and the golden papillæ on the disk of the labellum; spikes 2ft. to 3ft. high, freely produced on well-grown plants. May to July. l. 2ft. or more long, dark green, broad, many-ribbed, with wavy margins. India, 1819. See Fig. 318. (B. M. 2615.) IMG:7081556231692414330_i_237.jpg: F IG . 318. S INGLE F LOWER OF C ALAN THE VERA TRI FOLIA .