74 Materials for a Flora of the Malayan Peninsula. 



Sepals and petals flat lanceolate acuminate 1. Th. fumida. 

 Sepals short flat, petals caudate ... 

 Sepals and petals caudate terete. 

 Perianth tube erect large urn-shaped 



Perianth tube erect obconic 



Perianth tube bent at an angle with ovary 



1. Th. fumida, Ridley Journ. Koy. As. Soc. Straits Branch Vol. 

 22, p. 338. Plant 4 inches tall, rhizome with 3 or 4 stems. Leaves 

 scale-like very small lanceolate acuminate. Flower solitary § inch 

 long, nearly h inch across. Perianth tube nearly globose scabrid, 

 narrowed above the ovary white with pink stripes. Sepals and petals 

 equal narrow lanceolate acuminate, with subulate tips greenish grey. 

 Style very short with small recurved arms. Capsule short, broad 

 scabrid ribbed edge crenulate. 



Singapore : Chan Chu Kang (Ridley) ; Selangor : Petaling (Eidley). 

 Among dead leaves rare. Endemic. 



2. TH. ARACHNITES, Ridl. Journ. Roy. As. Soc. S. Br. Vol. 44, 

 p. 197. Stem 1-3 inches long creeping. Flowers 2-3. Bracts lanceo- 

 late acute i inch long peduncle nearly half an inch long. Perianth 

 tube urn-shaped, narrowed at the base i inch long f inch wide, semi- 

 transparent with numerous vertical ribs and transverse bars, whitish, 

 with 6 red vertical streaks, ring distinct yellow, sepals rounded ear-like 

 short. Petals caudate white slender lo inch long. Stamens deflexed 

 close to the mouth oblong i inch long, an oval perforation close to the 

 base and numerous teeth at the tip, anthers very small. Style short 

 thick trilobed. Capsule cup-shaped i inch long and wide edges thick- 

 ened. 



Perak, Larut Hills, dense forest just above the Tea Gardens, 

 February (Ridley). 



3. TH. GRANDIFLORA, Ridl. I.e. 324. Plant H inch tall 1 flowered. 

 Leaves and bracts scale-like lanceolate acuminate with glandular hairs. 

 Flower large, perianth tube 1 inch long urn-shaped pink with darker 

 stripes. Petals and sepals triangular with terete processes rising from 

 the backs, pink, an elevated ring round the mouth of the tube, low, 

 brown. Anthers connate connective quadrato with 3 cylindric process- 

 es, the central one longest. Style longer than in most species, arms 

 oblong lanceolate obtuse papillose. 



Johor: Bukit Tana Abang, Sembrong river (Kelsall). Endemic. 



4. Th. aserof, Becc. Malesia I. p. 252, PI. 10. Plant 2-3 inches 

 long, rhizome creeping, stems erect branched or simple with a few 

 scattered bract-like leaves. Flowers usually solitary on the end of 

 each branch, h an inch long. Bract 2 lanceolate acute. Porianth 



