214. 
MR. H. N. RIDLEY ON PLANTS 
HyPOLYTRUM VIRIDINUX, C. B. Clarke, in Philipp. Journ. Sc. ii. (1907) 109. 
Camps I to III, 500 to 2500 ft. 
Distrib. Philippines. 
HyPOLYTRUM MINUS, Ridl., sp. nov. 
Folia linearia, acuminata, trinervia, marginibus scabris aculeis minutis pallidis, 
70 em. longa, 1 cm. lata. Oulmus 60 cm. longus, triqueter, gracilis. Folia 2, 
vaginis longis. Panicula ramis 2 cm. longis vel minoribus scabridis. Spicule 
conoidez, parve, 1:5 mm. longs, castanez. Glume elliptice, ovatw, obtuse, 
pallide brunnez. Squamelle lanceolate, tenuissime, carinis hirtis. Staminis 
filamentum tenue, anthera brevis, oblonga, truncata. Caryopsis (vix matura) 
obovoidea, ad basin angustata, apice breviter rostrata. 
Camps I to III, 500 to 2500 ft, and VI a, 3100 ft. 
Allied to H. latifolium, Rich., but a smaller and weaker plant, with the edges of the 
leaves scabrid and the spikes smaller, ovoid in shape. 
THORACOSTACHYUM SIMPLEX, Ridl., sp. nov. 
Herba parva. Folia lineares, abrupte cuspidata, cuspide 2:5 cm. longo, 25 cm. longa, 
9 mm. lata, subtus glaucescentia, nervis conspicuis, costa elevata, marginibus cuspide 
et carina aculeis parvis brunneis munitis. Culmi gracillimi, 6 cm. longi, ferruginei, 
furfuracei. Spica solitaria, terminalis, primo ellipsoidea, obtusa, 5 mm. longa. 
Glwma inferior ovata, subacuta, 1 mm. longa, superiores ovate, rotundatz, 
pubescentes, omnes atrorufe. Squamelle anguste, lanceolate, atrorufze, pilis rufis 
copiosis in carina. Stylus brevis, vix glumam superans. Caryopsis ovoidea, rostro 
longo canaliculato, 5 mm. longa, atra polita. 
Camp VI a, 3100 ft. 
A curious little plant, remarkable for its solitary spikes and iong-basked, nearly black 
fruit. 
CHORIZANDRA INVOLUCRATA, Ridl. Capitularia involucrata, Suringar, i in fons Nova 
Guinea, viii. 711, t. 118. 
Rhizoma repens, 5 mm. crassum, vaginis ovatis costatis acutis 5 mm. longis vel 
minoribus tectum. Culmus quadrangularis, 40 to 60 cm. altus, vaginis una vel 
pluribus lanceolatis papyraceis 10 cm. longis basi 7 mm. latis. Folia involucralia 
6-8, in pseudo-verticillum terminalem collecta, erecta, rigide coriacea, lanceolato- 
linearia, acuminata, acuta, costata, 20-30 cm. longa, 6-10 mm. lata. Capitulum 
solitarium, sessile, 1 cm. longum vel brevius, obconicum. Bractee late ovate, 
abrupte obtuse cuspidatæ, cartilaginese, atro-brunneze, nitide, 5 mm. longe, cus- 
pidibus pallidis 3 mm. longis. Spicule dense congestze, floribus masculis pluribus, - 
femineo uno terminali. g: Glume exteriores oblongse, subspathulate, cucullate, 
carina acuta dorso scabrido. Glume interiores 2, spathulate, truncate, costa 
convexa superne in costas 3 fissis, pallide, apice rufescentes, floralis anguste lanceo- — 
lata, tenuior. Stamen 1, filamento tenui lineari pallido apice paullo dilatato rubro. 
