718 CXLVIII. ORCHIDE.E. (J. D Hooker.) [Dendrolium. 



fusiform, leaves ligulate aristulate microscopically serrulate, raceme ter- 

 minal, bracts small triangular, dorsal sepal ligulate acute, lateral triangular, 

 petals ligulate acuminate, lip clawed ovate subacute serrulate, disk with a 

 linear depressed keel which is dilated at the apex. 



ASSAM (Hort. Day). 



Description from the author cited. I have not seen specimens. 



27. D. Heyneanum, Lindl in Wall. Cat. 1995 ; Gen. Sf Sp. Orchid. 

 90 ; in Bot. Reg. 1839, Misc. 41 ; stem erect flexuous, leaves linear-lanceolate 

 acute, scapes long slender, bracts shorter than the short pedicels, sepals 

 and petals ovate-lanceolate, mentum long straight acute, side lobes of lip 

 acute, midlobe rounded crenate, disk with a channelled ridge ending in a 

 fleshy callus. Wight Ic. t. 909 ; Walp. Ann. vi. 298. 



The DEOCAN PENINSULA; on the Ghats of Malabar, Heyne, &c. 



Stem 4-8 in. Leaves 3-4 in. Scapes terminal and axillary, with the few- or 

 many-fld. racemes as long as the leaves or longer; flowers white; sepals in. 

 long; mentum as long as the dorsal sepal, lip inserted above its base. Habit of D. 

 denudans. 



28. 3>. pycnostachyum, Lindl. in Journ. Linn. Soc. iii. 19 ; stem 

 erect fleshy, scape terminal, raceme dense-fld., bracts lanceolate equalling 

 the ovary, sepals and petals lanceolate, mentum short obtuse incurved, 

 side lobes of lip very narrow, midlobe longer ovate serrate and crisped, 

 disk with a channelled ridge 2 -fid at the tip. 



TENASSERIM, Lolb. 



1 have seen no good specimens, and no leaves. A drawing apparently of this 

 species (in Herb. Hort. Calc.) represents a leafless stem a foot long, tapering to the tip, 

 and ending in a many-fld. raceme 4 in. long ; the flowers are shortly pedicelled, white 

 with a green lip. 



29. D. incurvum, Lindl. in Journ. Linn. Soc. iii. 18 ; stems usually 

 narrowed upwards, leaves linear-oblong obliquely notched, scapes terminal 

 and leaf-opposed shorter than the leaves flexuous few-fld., bracts mem- 

 branous equalling the pedicels, sepals lanceolate, petals narrower, mentum 

 conic acute, lip oblong-lanceolate acute or acuminate concave crisped, cjisk 

 with a ridge ending in 2 teeth. Deiidrob. No. 9, Griff. Notul. iii. 314. 

 D. Actinia, Lindl. in Journ. Linn. Soc. iii. 9. Actinia, Griff. Notul. iii. 320 ; 

 Ic. PL Asiat. t. 351 A, fig. 21. 



TENASSERIM ; at Mergui, Griffith, Parish. 



Stem 3-6 in., internodes J-f in. Leaves 2-3 in. Scape with the raceme 1- 

 1 in.; bracts in. ; pedicel with ovary twice as long; sepals in., white; lip 

 greenish with purple veins. Habit of D. ericeflorum. Griffith's Actinia is a Pelorian 

 form. 



30. D. graininifolium, Wight Ic. t. 1649 ; rhizome creeping, stem 

 slender, leaves narrowly linear acute, racemes terminal short solitary or 

 2-nate capillary erect few-fld., bracts minute, sepals 5-iierved, lateral fal- 

 cately lanceolate, mentum long straight spur-like, petals as long linear- 

 lanceolate 3-nerved erose, lip with small short spreading side lobes, mid- 

 lobes oblong flat crenate. 



TRAVANCORE ; at Courtallqni, Wight. 



Stem 4-8 in. Leaves 2-3 in , grass-like. Scapes much shorter than the leaves, 

 4-6-fld. ; pedicels short ; flowers % in. long, white ; lip veined. Wight remarks 

 that this differs from its allies in its long slender creeping rhizome. 



