OUrHTDAOE^T: HALCOXENSES 
337 
f 
broadly ypatlnilah^, aLout 2.2 cm. long, 1.5 cm. wide, vor}' obtu.so. 
Lal)elhiiii 3-lobod ; middle lobe oblong,, ronnded at the tip, 9 mm. long, 
about 7.5 mm. wide; lateral lobes somewhat similar to tlie middle lobe, 
but bliortcr, 1-5 mm. long, (J. 5 juni. wide at base. >Spur slender, 3.5 
cm. long. Column about 7 mm. long, rather stout. 
Epii)liyto at about 2,r)00 ft. alt. on forested slopos of Mount Ualcon, Nov. 28, 
inOC), }f en-ill {No. r)0ns). 
THRIXSPERMUM Lc.nr. 
Jhrixspermum McGregorii Amos sp. uov. 
Stem about 5 inni. in diameter. I^eaves oblong, fnlente, acute or sub- 
acute, al)out 12 cm. long, al)out 1.5 cm. wide. Scapes very sleadcr, 
almost filiform, .shorter than the leaves, about G cm. long, naked, bearing 
a short raceme of minute flowers. Floral bracts minute, trianguljir, 
acute. Lateral sepals ovate, subacute, 1.5 mm. long, less than 1 mm. 
wide near the jniddlo. Tlpijcr sepal strongly concave, nai'rower ilinn the 
laterals, 1.5 mm. long. IVtnls somewhat ohlanceohite or spatbidatc, 
obtuse, sliglitly exceeding 1 mm. in lengtli, 0.5 mm. wide. Label! um 
about 1 mm. long, 3-lobed; lateral lobes srnii-rotund, erect, 0.5 mn\. 
louiT and about 0.5 uitu. wide; middle lobe with a minute lobule on each 
side, one in front of each lateral lobe, otherwise fleshy, minute, blunt. 
Flowers when spread out 3 nun. across. 
Growing on fallen tree nour Ilalete, Buco River, April 23, 1005, U. C. Mcilrcgor 
{ No. 288 ) . 
Tins is a very small-flowered species of a most puzzling group, closely allied to 
DcndrocoUa ZoUingcri T^eichb. f, 
Thrixspermum sp. 
Binalmy River, N_ov., lOOfi, Merrill {No. 5539). A siii^^lo specimen. 
Thrixspernnum sp. 
Mount TTalcon, Nov. lOOfJ. Merrill (No. SftHl). Specimen in fruit. 
'"J 
