218 SCITABIINE^E. 



lata glabra ; rhachis gracilis erecta recta ineclio 2 min. lata, pedicellis ordinis I. 

 circ. 6 min. longis glabris gracilibus apice 3-5-floratis, pedicellis ordinis II. bre- 

 vissirnis 1 mm. longis apice cum flore articulatis. Flores basi bracteis singulis 

 instructi, bracteis caducissimis 6 min. longis valde coucavis 2i mm. latis apice 

 rotundatis valde concavis alabastrum florum arnplectantibus. Ovarimn inferius 

 IJmrn. longum urceolatum If mm. laturn giabrum apice plus minus constrictum. 

 Calyx cylinclricus 8 mm. longus 2-2 J mm. latus glaber apice irregulariter lobu- 

 latus. Corollas tubus erectus rectus 8mm. longus 1mm. latus glaber, lobis 3 

 conformibus linearibus 7 mm. lougis margine interfere convolutis horizontaliter 

 patentibus rectis. Labellum tubo corolla) angulo recto patens baud plicaturn 

 hand recurvuni expans ovato-rotundatum 8-9 mm. longum 8 mm. latum apice 

 bilobuni, (sinus inter lobos triangulari-acutus 2 mm. longus), lobis triangulari- 

 bus margine crenulatis, baud maculatum giabrum. Stamen singulum, partibus 

 liberis filamenti 5 mm. longis giabris seini-teretibus facie antica 1-sulcatis glabris 

 erectis cum anthera w-s*-fonniter recurvis, anthera oblonga 3 nim. longa secus 

 medium plicata exteriore recurva, connectivis plica tis exteriore et deorsum 

 vix recurvo-productis, stylo filiformi filamento antlieraque involute sursum ab 

 anthera exserto, partibus exsertis 2^ mm. longis apice cupuliformibus dilatatis, 

 cupula margine minute ciliolata. Glandular 2 lineares semi-teretes 1| mm. 

 longa?. Staminodia 2 fauce tubi corolla? inserta linearia 3 mm. longa J mm. 

 lata basi auriculiforme dilatata. 



HAB. Suislia, Mai. 1912. 



Near Alpinia cliinensis Eosc., but differs from it by the lips which are two 

 lobed at the apex. Also closely allied to A. kelungensis HAY., but distinguish- 

 able from it by the smaller flowers with smaller lips, nearly glabrous ovary and 

 narrower longer calyx. 



Subgenus II. Probolocalyx. 



1. Leaves glabrous on both surfaces ; if hairy, not velvety on the under 



surface ^ 1 2. 



Leaves velvety on the under surface 5. 



2. Leaves linear not exceeding 3cm. in breadth 3. 



Leaves lanceolate usually more than 4cm. in breadth 4. 



3. Ehachis slender t A. Pricei. 



