172 JOURNAL, BOMBAY NATURAL HIST. SOCIETY, Vol. XXI. 



* Spur as long as or longer than the sepals, 



subclavate 1 . P. Stocksii. 



** Spur shorter than the sepals, globose or 

 ellipsoid. 



a. Stem leafy, the leaves scattered or 



subimbricate 2. P. spiralis. 



h. Leaves clustered about the middle of 

 the stem. Lip shorter than the 



sepals, petals white 3. P. plantagineus. 



Floivers yellowish-green, spikes dense, 

 long. Lip as long as sepals, lateral 

 sepals mucronate behind below apex 4. P. goodyeroides. 



var. affinis. 

 Flowers yellow, spikes lax, short, lij:? 

 as long as sepals, lateral sepals not 



miTcronate below apex 5. P. Lawii. 



1 . Peristylus Stocksii, Kranzlin ; T. Gooke, Fl. of Boonbay, II, 

 p. 710 ; Habenaria Stocksii, Hook. f. Fl. Br. Ind., VI, p. 158. 



Whole plant 6 to 18 inches high, stems slender, with numerous 

 sheaths on the lower part ; leaves more or less clustered towards the- 

 middle of the stem, variable, 8 to 6 inches long by -^ to 1^ inches 

 broad, obovate or elliptic or lanceolate obtuse, acute or acumi- 

 nate, usually petioled. Spikes twisted, 3 to 6 inches long, flowers 

 yellowish, secund, -^- inch in diameter, bracts longer than the ovaries,. 

 ovate acuminate, •§- to f inch long, sepals 1 -nerved, dorsal elliptic 

 oblong obtuse, lateral linear — oblong, at leng-th reflexed, petals 

 larger, ovate, obtuse, fleshy, lip shorter than the sepals, obtusely 

 3-fid, claiu broad, concave, lateral lobes a little shorter and narrower 

 than the midlobe, slightly incurved, onidlobe oblong obtuse, spur 

 shorter than the ovary, pollinia clavate, sticjmatic lobes clavate, 

 rostellum, minute, erect 2-fid. 



Flowers appear during July and August. 



Distribution. — Throughout the Konkan, North Kanara and hills of the 

 Western Peninsula generally. 



2. Peristylus spiralis, A. Rich. ; T. Gooke, Fl. of Bombay, II, 

 p. Ill ; Habenaria torta, Hook, f., Fl. Br. Ind., VI, p. 159. 



Whole plant 6 to 18 inches high, stem slender, leafy, often 



