W. p. HIERN. LOGANIACEAE. 201 



LOGANIACEAE, 



BY 



W. P. HIERN. 



Geniostoma Forst. 



Geniostoma acutifolium Hiern n. sp. 



Frutex glaber levis tandem fruscus 4 m. altus, ramis sub-teretibus, ramulis tcnuibus 

 patulis obtuse angularibus, foliis oppositis patentibus ellipticis apice acute caudato-acuminatis 

 basi plus minusve cuneatis chartaceis glabris utrinque lucidulis 8 — 16 cm. longis 3 — 7 cm. 

 latis margine integris saepius undulatis costa média non robusta costis lateralibus utrinque 

 6 — 8 costulis pariter tenuibus, petiolis 5 — 9 mm. longis, stipulis interpetiolaribus latis brevibus 

 caducis, internodiis foliis brevioribus 4 — 8 cm. longis, inflorescentia axillari, pedunculis fasci- 

 culatis 3 — 4-nis patulis brevissime hispidulis vel glabratis 4 — 13 mm. longis basi parvi-bracteatis, 

 floribus regularibus pentameris glabris albidis, calyce infero 5-fido chartaceo viridi sub-hemi- 

 sphaerico 5 — 6 mm. diam. persistente non accrescente lobis late rotundo-ovatis apiculatis 

 imbricatis, corolla hemisphaerica glabra membranacea profunde lobata 12 mm. diam. tubo 

 2 mm. longo segmentis late rotundatis apice mucronulatis 5 mm. longis 7 mm. latis in 

 aestivatione imbricatis, staminibus 5 glabris ad apicem corollae tubi inter ejus lobes insertis 

 5 mm. longis, antheris parvis ovatis, filamentis lineari-oblongis, ovario depresso-conico brevi 

 2-loculari, stylo terminali erecto glabro 2 mm. longo (stigmate e.xcluso), stigmate depresso-globoso 

 sub-didymo i mm. longo 2'/.^ mm. diam., ovulis numerosis, capsula ellipsoideo-ovoidea apice 

 rotundata circiter 12 — 13 mm. longa 11 — 12 mm. lata 10 — 11 mm. crassa 2-loculari sub-viridi, 

 seminibus numerosis obovoideo-rotundis i mm. longis ac latis basi sub-pyriformibus. 



Hab. : Noord River near Alkmaar (G. M. Versteeg n. 1513 fl. 24. July 1907). 



Mitrasacme Labill. 

 Mitrasacme elata R.Br. 



Hab.: South New Guinea near Okaba (R. Branderhorst nn. 86 and 90 fl. and fr. 22. Sept. 1907); 

 near Merauke (G. M. Versteeg n. 1932 fl. 13. Nov. 1907). 



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