Hc/ceriu.'] OrckidciS. 209 



C. Arachnites, Bl. Orch. Arch. Ind. 132 (1858). 

 Zosterostylis seylanica, Lindl. Gen. and Sp. Orch. 446; Thw. Enum. 

 312. Z. VValkera, Wight, Ic. v. i, 20. C. P. 383. 



Fl. B. Ind. vi. 118. Bot. Mag. t. 5381. Wight, Ic. t. 1748, f. 4. 



Quite glabrous ; rootstock thick, with long, stout, tomentose 

 root-fibres; 1. 1-3, erect, 3-6 in., oval or oval-lanceolate, acute 

 at both ends, bright green, membranous, with 3 principal 

 veins and many intermediate connected by transverse venules ; 

 petiole about as long as the blade, slender, red-brown, sur- 

 rounded at the base by membranous sheaths; scape 8-18 in., 

 slender, red-brown, with short acute imbricating basal sheaths, 

 and a few much longer above; raceme 4-8 in., laxly many- 

 fld. ; fl. suberect, bracts convolute, as long as and embracing 

 the ov., which, with the very short ped,, is decurved, nearly 

 I in. long; sep. and pet. exactly linear, subacute; lip superior, 

 erect, as long as the sep. or longer, oval, apiculate, very flat, 

 with recurved margins, disk without calli or crests, base 

 cordate, embracing the minute column. 



Moist region, 1-4000 ft., in shady forests ; rather common. Fl. March, 

 .September, October; sep. and pet. green, lip reddish-pink, spotted with 

 darker red. 



Khasia, Malay Peninsula, Java. 



The column is so small that it is not at once apparent that the anther 

 is dorsal as in Spiranthes, &c. — J. D. H. 



43. KETHIRIA., Bl. 



Characters of Goodyera (p. 213), but lip superior, margins 



adnate to the sides of the column, and stigmatic tubercles 2, 



lateral. — Sp. about 15 ; 7 in Fl.B.Ind. 



Spike, 4-10 in I. H. Gardneri. 



Spike, 3-5 in 2. H. elongata. 



I. K. Gardneri, Benth. in Gen. PL iii. 604 (1883). 

 Rhavipliidia Gardneri., Thw. Enum. 313. C. P. 3425. 

 Fl. B. Ind. vi. 115. 



Tall, stout, 12-20 in. high; stem leafy below, as thick as 

 a swan's quill, green; 1. few, rather distant, 2-4 by iA-3i in., 

 petioled, ovate, subacute, often oblique, 3-veined, membra- 

 nous, glabrous; petiole short, dilating into the short large 

 \entricose hyaline sheath; ped. with 2 or 3 rather large acute 

 sheaths, puberulous ; spike 4-10 in., laxly many-fld., glandular- 

 pubescent; fl. subsecund, bracts \ in., as long as the ov. or 

 shorter; dorsal sep. glandular-pubescent, ovate, i-veined; 

 lateral \ in. long, oblong, obtuse, 3-veined ; pet. inserted on the 

 sides of the column, narrowly spathulate, i -veined: lip as 

 long as the sep., superior, cymbiform, membranous, with a {q.\n 

 calli on the veins within ; column very short, rostellar arms 



PART IV. P 



