42 FLORA TELLUK. 



921. Plectrelmintiius R. (spur vvorrn)dift., 

 Angrecum, pet. cq. lane. acum. lab. obov. ro- 

 strato serrato, calcar longissime vcnniformis 

 flexuoso apicc bilobo, col. basi angul. rostellata, 

 pollinis 2 caudatis. Rad. fasc. teret. fol. im- 

 brie, scapis dhnsis. — Type PI. bicolor R. 

 Angr. caiidatum Lind. b. reg. 1844. fol. canal, 

 emarg. scapis pendulis flexuosis 4fl. West Africa 

 fl. green, lip white, spur 9 or 10 inches long — 

 Angr. sesquipedale of Thouars is perhaps a se- 

 cond species. 



922. Onkeripus R. (swelled beneath) diff. 

 Maxillarla, cor. basi saccata, petalis subeq. 

 connivens, lab, integro undulato, basi bituber- 

 cul. pollinis 4 ineq. binis anticis brevior. para- 

 sit, bulb. ter. scapis radic. — Type O. pallidus 

 R. (Maxill. pallidifl. Hook. b. mag. 2806.) bul- 

 bis teretis, fol. lato lanceol. 'trinervis, scapo 

 breve, bract, linearib. St. Vincent Antilles, fl. 

 pale yellow. Maxillaria is another heteroge- 

 nous G. of 40 sp. requiring revision, Lindley 

 unites Colax and Xylobium to it wrongly, no 

 constant characters even in pollen ! compare 

 Dendrobium and Xylobium squalens with this 

 Genus. 



923. Pentulops R. (5 warts like) diff. Max- 

 illaria, sepalis 3 ext. longior liberis, petalis 2 

 minor basi coalitis, labello cuculato, integro, 

 basi callis 5 paralelis cristeformis. Bvlh. ter. 

 unifol. scapo squamosa paucijl. — Type P. 

 discolor R. (Maxil. do Hook. b. m. 1549. Xy- 

 lobium Lindl.) Bulbis ovatis levis, folia ovata 

 ellipt. acum. niultinervis, Jamaica &c flowers 

 ochroleucos few on short radical scaly scapes. 

 Quite unlike the last G. except in habit. 



924. TuLEXis K. (warts outside) petalis pa- 

 tulis tuberrulatis, lab. imdul, carinato truncato, 



