THE FLORA OF THE MALAY· PENINSULA

Ceratostylis.] C:XXXVI. ORCHIDE...E. 109
19. CERATOSTYLIS, Bl.
Small tufted epiphytes not pseudobulbous; stems simple or
branched. Leaves 1 or 2, narrow coriaceous or fleshy. Flowers
very small rarely medium solitary or in a tuft white or pink, lateral
sepals forming a mentum. Petals narrower. Lip adnate to column
foot by the claw, blade entire fleshy. Column short, tip broad;
stigma very large with two long arms. Column foot long; anther
2-celled. Pollinia 8. Species 20 or more, Indo-Malaya, Polynesia.
Stems simple succulent, rush-like.
Leaf terete . . . . (I) C. subulata
Stems simple erect; leaf lanceolate . . . (z) C. lancifolia
Stems very short tufted not branched; flowers from
between leaves.
Flower' 5 in. across; leaves lanceolate • . (3) C. erimoides
Petals ovate obhque cnmson, hp claw linear. (4) C. cryptantha
Petals lanceolate acuminate whlte tlpped purple;
hp base broad. . " (5) C.linearis
Petals lanceolate white; hp narrow. (6) C.linearifolia
Stems branched.
Leaves large lanceolate reticulate (7) C. robusta
Leaves linear rehculate. . . . . (8) C. clathrata
Leaves elhptic-Ianceolate; sheaths punctate . (9) C. puncticulata
Stems long pen(lulous; flower heads scattered on stem (10) C. pendula
(1) C. subulata Bl. Bijdr. 304. C. gracilis Ridl. Mat. i. 106
(not Blume). C. malaccensis Hook. fil. F.B.I. v. 825; Ie. Pl. 20g8.
Stems tufted terete with brown sheaths at base, 3 to-g in. long.
Leaf 1, erect terminal terete, '5 to 1'5 in. long. Flowers in a lateral
tuft from leaf base, produced singly, '25 in. long, pale pink, pubescent.
Bracts ovate. Sepals lanceolate blunt; mentum globose.
Petals smalllanceolate yellowish. Lip shoe-shaped pubescent, claw
short. Column short, foot as long, arms longer than column.
Capsule oblong sub-sessile. Hab. Common on trees and rocks.
Johor, Batu Pahat. Pahang, Gunong Tahan on rocks (whole
plant yellow).; Telom. Malacca, Mt. Ophir (Griffith). Selangor,
Menuang Gasing (Robinson); Semangkok Pass (Ridley). Perak,
Thaiping Hills; Teluk Anson (Williams). Province Wellesley, I
Bukit Sera yah. Kedah Peak. Pulau Adang. Distrib. Java.
I suppose this to be Blume's C. subulata. Specimens of C. gracilis Bl.
from Blume, in Herb. Kew, have flat, not terete leaves, as Blume descnbes.
But I have seen no specimen of our species from Java.
(2) C. lancifolia Hook. (it. F.B.I. v. 826; Ie. Pl. 2102; Ridl.
Mat. i. IIO.
Stems tufted, 2 to 4 in. long, covered with sheaths. Leaf 1,
narrow linear-Ianceolate acute, 1 to 3'5 in. long, '25 in. wide.
Flowers opening singly, '3 in. wide; pedicel and ovary pubescent
filiform, '5 in. long. Sepals oblong-Ianceolate acute. Petals
smaller; mentum short bilobed. Lip narrow, base oblong, tip
thick dagger-shaped< Column arms long, oblong blunt. Hab.
Selangor, Menuang Gasing (Kloss); Pahang, Bukit Fraser (Burkill).
Perak (Scortechini).