S82 On some Plants^ mostly undescribed, 



Fig. 1. Plant, reduced from a coloured drawing in the 

 H. C. Library. 



2. Flower, side view. 



3. Column, labellum and upper part of ovarium in 



front. 



4. Column, divided down the centre. 



H. marginata, Coleb MSS. Hooker. Ex. Flora, t. 136. Lindl. Gen. et 

 Sp. Orchid, p. 320. 



Hah. — In graminosis Serampore, rara. Floret Augusto. 



Descr. — Spithamaea. Folia plana, obtusiuscula, 3-5 venia. Bracteae 

 acuminatae ovarii longitudine. Flores mediocres. Sepala viridia ; pos- 

 ticum cordato-ovatum 5-venium, 3-5 carinatum; lateralia lanceolata, 

 oblique patentia, acuminata. Petala (cum labello) lutea, obliqua, cum 

 sepalo postico galeantia. Labellum subporrectum ; lobi laterales cen- 

 trali conduplicato fere duplo longiores. Stamina sterilia antheram 

 excedeutia, oblongo-lanceolata. Antherse loculi distantes, connectivo fere 

 hippocrepiformi. Stigmatis postici crura longa, cuneata; st. lateralia 

 dimidio breviora. Ovarium erostratum. ♦ 



According to Mr. Colebrooke, this plant was introduced accidentally 

 into the Botanic Garden ; it was found in Kumaon by Mr. Blinkworth ; 

 in Mysore by Dr. Heyne, so that its range seems wide. Roxburgh 

 appears to have been unacquainted with it. 



BONATEA. Willd. 



B. henghalensis, (n. sp.) caule folioso, foliis amplexicaulibus lanceolatis 

 acutis inferioribus ad vaginas reductis, spica oblonga, bracteis lanceolatis 

 convolutis ovarii longitudine, petalorum lobo postico lineari-falcato se- 

 palo postico pauUo longiore, anticis longioribus lineari-acuminatis fal- 

 catissimis, labelli tripartiti lobis lateralibus linearibus falcatis, centrali 

 longiore spathulato, calcare clavato oblique pendulo ovarium subse- 

 quante, stigmatibus lateralibus mediocribus. 



Hah. — In graminosis, Serampore. 



Descr. — Subpedalis, erecta, Folia inferiora ad vaginas fere reducta, 

 superiora lanceolata, acuta, amplexicaulia, conferta, trivenia. Bracteas 

 anguste lanceolatse, acuminatae, glabrae, ovaria subaequantes. Sepalum 

 posticum cordatum, rotundatum ; lateralia oblonga, obliqua, duplo lon- 

 giora, deflexo-pendula. Petala biloba ad basin fere, lobo postico falcato, 

 lineari, cum sepalo postico pauUo longiore galeam efFormante, antico 



