394 ORCHIDACE^. 



On the ridge above Silver Cascade, below Kodaikanal. 

 Bourne 1845, 1846. 



.€RIDES. F.B.I. 148 LVIII. 



Rock or Tree Orchids with stout perennial stem which 

 continues growing at the end (monopodial growth). 

 Leaves in two ranks and jointed to their bases. Flowers 

 in lateral racemes from the axils of the leaves. Sepals 

 and petals spreading. Lip divided distinctly into two 

 parts, the forward one broad and jointed to the inner, 

 which has erect side lobes and a spur and is itself 

 attached to the prolonged base of the column. 



Species about 50 in the tropics of Asia. 

 Flowers round : racemes spreading : on rocks. . A. crispum. 

 Flowers narrrow, 1/3 inch wide by i inch long : racemes 

 erect, shorter than the leaves : on trees . . x\. radicosum. 



>Erides crispum Lindley ; F.B.I. vi 45, LVIII 8 ; pink 

 Rock Orchid. Stem thick as the middle finger, covered 

 with the bases of the fallen leaves. Roots as thick as 

 the little finger, greenish white. Leaves thick and close- 

 set, 3 by I inch, folded up along the midrib, very slightly 

 notched and uneven at the end, green but with purplish 

 blotches on the upper side. Racemes spreading or pend- 

 ulous, longer than the leaves. Flowers rose-coloured, 

 y^Xo lYz inches across. Sepals and petals broad, nearly 

 round. Mid-lobe of lip nearly as broad as long, crisped 

 along the margin : side lobes Y^ inch long, pointing 

 forwards : central part with a slight ridge and two swell- 

 ings where the lateral join the middle llobe. Column 

 J4 inch high, but produced in front nearly /4 inch; the 

 side sepals attached by their whole width to its under side 

 and the lip at the end; upper part winged, the edges 

 almost hiding the deeply sunk stigma. Cap of the anther 

 projecting forwards as much its own width. PoUiniums 

 attached by very slender filaments to the strap, which 



