A PLEUROTHALLIS 6S 



Flowers about J m. 1., "brownish-red. Sepals papillose, 6 mm. 1. ; median 

 nearly 2 mm. br. at base, broadly linear-tapering; lateral 2*5 mm. br. 

 together, 2-nerved, about ^-connate, free part acuminate. Petals about 

 2 mm. 1., one-third as long as sepals, oval-oblong. Lip about as long as 

 petals, short-clawed ; limb narrowing from a broader base to a short 

 linear recurved fleshy shortly pubescent tip. Column nearly as long as 

 petals, narrowly margined, margins forming a slender tooth at each side 

 near apex. Capsule about "5 cm. 1., broadly ellipsoidal. 



19. P. uneinata Faioc in Journ. Bot. xxxiii. 12 (1895) ; stem 

 about as long as the leaf ; peduncles much shorter than the leaf^ 

 three or four together, 1-flowered ; leaf 8 or 9 in. 1. ; sepals and 

 ovary rough. — Cogn. op. cit. 416. (PI. 10.) 



On trees and peaty banks ; in fl. Feb., June; fr. July; Greenhill, near 

 Newcastle ; Ridge below Vinegar Hill, 3900 ft. ; Harris ! Hardware Gap, 

 4000 ft., Q. Nicliols I Fl. Jam. 10,092. 



Plant about 15 in. high. Stems 12-24 cm. 1., clothed with 5-7 loose 

 scarious flaccid sheaths, terete below, compressed and angular above, 

 striate. Leaves 15-23 cm. 1,, 2*5-3 cm. br., oblong-lanceolate or lanceolate, 

 with numerous prominent nerves. Peduncles 3-4 cm. 1., rough ; pedicels, 

 about 6 mm. 1.; floral bracts 1*3 cm. 1., reaching nearly to top of ovary, 

 sheathing at the base, gradually tapering to an obtuse apiculate apex; 

 spathaceous bract about 2 cm. 1. at base of peduncles. Sepals purplish, 

 surface rough on inner and outer sides, tomentose on outer side ; median 

 1*7 cm. 1., 5 mm. br., oblong, tapering to a subacute apex, 5-nerved; 

 lateral 1"6 cm. 1., 5*5 mm. br., free or shortly connate at base, oblong- 

 elliptical, tapering to a subacute apex, 4-nerved. Petals about 8 mm. 1., 

 2 mm, br., half as long as the lateral sepals, oblanceolate, apex acute, 

 3-nerved, purplish above, orange-coloured at base. Lip slightly exceeding 

 7 mm. 1., nearly as long as the petals, about 3 mm. br. above, purplish, 

 indistinctly 3-lobed, 3-nerved ; middle lobe roundish, margin with minute 

 denticulations ; lateral lobes conduplicate, uncinate, each forming a sharp 

 curved hook pointing upwards, with a thickened margin above the hook. 

 Column nearly 7 mm. 1., narrowly winged in front, with a short foot. 

 Ovary about 8 mm. 1., about 3*5 mm. br. above, rough. Capsule 2-2 cm. 1., 

 1*1 cm. br., ellipsoidal, surface rough and tomentose, with 6 furrows. 



20. P. jamaieensis Bolfe in Journ. Bot. xlvii. 122 (1909); 

 plant 1-H in. high; stems clustered, shorter than the leaf; 

 peduncle one-half or one-third as long as the leaf, with one or a 

 few flowers ; sepals reddish-purple, lateral very shortly connate at 

 base ; petals linear-lanceolate, acuminate. — Cogn. op. cit. 4:22. 



Without locality, Morris ! Flowered at Kew in Sept. 1886 and on 

 subsequent occasions. 



Plant 1-1^ in. high. Secondary stems clustered, 1-2 cm. 1., shorter 

 than the leaf"; sheaths tubular, apiculate, veined. Leaf shortly stalked, 

 elliptical, obtuse, leathery, 1-5-2-5 cm. 1. Racemes shortly stalked, with 

 one or a few flowers, 1-1*5 cm. 1. Bracts sheathing, shortly acuminate, 

 2 mm. 1. Flowers light reddish-purple with a darker lip, scarcely ^ in. 1, 

 Sepals somewhat spreading, ovate-lanceolate, acute, 7-8 mm. 1. Petals 

 a little shorter than the sepals. Lip linear, obtuse, recurved, 2 mm. 1. 

 Column slender, curved, 1 mm. 1. 



21. P. delieatula Lindl. Fol. Orcli. Pleurotk 38 (1859); 

 stems almost none, clustered ; peduncle flexuose, generally much 



