May 31, 1919] Zingiber ace ae of the Sorsogon Peninsula 2967 



a yard high; leaflets ascending, alternating, coriaceous, 

 darker green above, conduplicate; inflorescence terminal, 

 erect, few paniculately branched, greenish though thtj 

 odorless flowers are cremeus. 



Represented by number 16228, Elmer, Irosin (Mt. Bu- 

 lusan), Province of Sorsogon, Luzon, June, 1916. 



Leaves rather broad, and for this reason it approa- 

 ches certain forms of Alpinia flabellata Ridl. 



Alpinia pyramidata Blm. 



Field-note:— Clusters or tussocks in wet rich soil 

 on slopes of hills at 1000 feet altitude and facing the 

 Pacific ocean. Rhizome strongly aromatic; stems terete, 

 strict, 1 to 2 yards high, 1 inch thick, green especial- 

 ly along the leaf bearing portion, swollen at the base; 

 leaves alternating, ascending or horizontal, chartaceous, 

 neai-ly flat, paler and short pubescent beneath; the py- 

 ramid-like inflorescence terminal, erect, 1 foot long more 

 or less; rachis and pedicels yellowish green, the succulent 

 flowers cremeus. 



Represented by number 16352, Elmer, Irosin (Mt. 

 Bulusan), Province of Sorsogon, Luzon, June, 1916. 



Only met here and there, and was observed both 

 in cultivation and in the wild state. The Bicols call it 

 "Lanquas". 



Alpinia haenkei Presl 



Field -note: — Perennial clusters, in black soil along 

 somewhat swampy ditches or gullets of the hemp region 

 at 500 feet altitude. Stem hard, ascending, 1.5 inch 

 thick toward the base, 4 to 9 feet high; leaflets ascen- 

 ding, paler beneath, conduplicate, margins coarsely wavy, 

 subchartaceous, the longest ones 3 feet long; inflores- 

 cent spike terminal, erect, green, terete, averaging a foot 

 in length; flowers showy, divaricate from all sides, odor- 

 less; bracts with calyx white, corolla yellowish except 

 the reddish central portion; stamens creamy white; fru- 

 ting pedicels greenish; the ripe fruits globose, .5 inch 

 in diameter, mineatus; seeds brown and covered with a 

 thin whitish covering. 



Represented by number 14401, Elmer, Irosin (Mt. 

 Bulusan), Province of Sorsogon, Luzon, October, 1915. 



Quite common in our province, extending from the 

 valley up into the subalpine region. Haenke originally 

 collected it at Sorsogon. 



