September 12, 1913] Rubiaceae from Mount Urdaneta 1859 



Discovered in stony humus covered soil along forested 

 ridges at 3000 feet altitude of Duros peak and in the saddle 

 beyond it. 



The second Philippine species so far known. 



HEDYOTIS Linn. 

 Hedyotis hispida Retz. 



Field-note: — Biennial herb; stems numerous, subterete, green 

 or brownish, from a foot to a yard long, unbranched, as- 

 cendingly curved toward the ends; roots fibrous, also from 

 the lower joints of the reclining stems; leaves horizontal and 

 flat or creased along the midrib of the upper shining green 

 surface, relatively whitish green beneath; flowers in dense 

 axillary clusters, the calyx green, the stamens and corolla white. 



Represented by number 13517, Elmer, Cabadbaran (Mt. 

 Urdaneta), Province of Agusan, Mindanao, August, 1912. 



Inhabiting cogon flats in compact black soil near the 

 Minusuang river at 250 feet. "Bagat" is the Manobo name. 



fledyotis humilis Merr. 



Field-note for 14093: — Low suffrutescent plants; stem te- 

 rete, brown at base, green otherwise, 6 to 10 inches high 

 or higher, branched from the middle or above it, with slen- 

 der fibrous roots, branches ascending; leaves horizontally spread- 

 ing, flat, submembranoua, dull green above, much lighter 

 green beneath; inflorescent stalk green, ascending, the calyx 

 also green, the corolla white and deciduous. 



Represented by numbers 14093 and 14159, Elmer, Ca- 

 badbaran (Mt. Urdaneta), Province of Agusan, Mindanao, 

 October, 1912. 



In wet loose soil along the banks of a streamlet in a 

 very humid deeply forested depression near Masay peak or 

 mount Urdaneta at 6000 feet altitude. The Manobos called 

 number 14093 "Masonahan" and 14159 "Bagtong." 



Hedyotis radicans (Bartl.) Miq. 



Field-note: — Perennial masses; stems terete, thinner than 



