136 A FLORA OP MANILA 



2. Anthers black; sepals of the female flowers spatulate, very rarely 



wanting 2. E. merrilUi 



2. Anthers white; sepals of the female flowers filiform.... 3. E.cinereum 



1. E. alatum H. Lecomte. 



Stems very short, the leaves densely crowded, linear, 2 to 4 cm long, 

 acute or obtuse. Peduncles many, 5-angled or ribbed, slender, 6 to 18 cm 

 long. Head globose or ovoid, dense, pale, shining, 4 to 7 mm in diameter, 

 the floral bracts ovate, glabrous, triangular at the apex, concealing the 

 flowers, the receptacle densely pilose-ciliate. Sepals of the male flowers 

 spathe-like, split >down one side, connate. Petals 3, small, not glandular. 

 Stamens black. Female flowers: Sepals 2, free, ovate, obtuse, prominently 

 keeled on the back. Petals 3, small, linear, not glandular; stigmas 3. 



In wet rice lands. La Loma, fl. Nov.-Jan.; of very local occurrence in 

 the Philippines. Indo-China. 



2. E. merrlllii Rhul. 



Glabrous, the leaves densely caespitose, linear to lanceolate, acute, 

 2 to 5 cm long. Peduncles many, slightly twisted, 5-ribbed, slender, 3 to 

 10 cm high. Head obconic-globose to depressed-globose, pale, shining, 3 to 

 5 mm in diameter; floral bracts oblong-obovate. Sepals of the male flowers 

 connate into a 2- or 3-lobed spathe, split down one side. Petals 3, small, 

 glandular at the tip. Stamens 6; anthers black. Female flowers: Sepals 



2, lanceolate, rarely none. Petals 3, linear, or. spatulate, minutely glandular 

 at the apex, white. Stigmas 3. 



In old rice paddies, low wet lands, etc., Caloocan to Masambong, fl. 

 Aug.-Dec; widely distributed in the Philippines. Endemic. 



3. E. cinereum E. Br. (E. sieholdianum S. & Z.). 



Glabrous, densely caespitose, the leaves linear, 2 to 5 cm long, acuminate. 

 Peduncles numerous, slender, B-ribbed, 6 to 15 cm long. Heads subglobose, 

 about 4 mm in diameter, the floral-bracts oblong to lanceolate-oblong, the 

 interior ones acute, concealing the flowers, pale, shining. Male flowers 

 ■vWth the sepals connate into a spathe, split down one side. Petals very 

 small. Petals none. Styles 3. 



In low wet grasslands, old rice paddies, etc., Caloocan, fl. Aug.-Sept.; * 

 not common in the Philippines. Tropical Africa and Asia to Japan, 

 southward to Australia. 



20. BROMELIACEAE (PINEAPPLE OR Pl5JA FAMILY) 



Terrestrial or epiphytic herbs. Leaves . long, narrow, chiefly basal, 

 rosulate, entire or spiny-toothed, bases usually spreading. Flowers perfect, 

 regular, in dense, terminal spikes, the bracts usually prominent. Sepals 3, 

 free or partly united. Petals 3, free or somewhat united. Stamens' 3 to 6, 

 free or somewhat united with the petals. Ovary inferior or superior, 3- 

 celled; styles united; stigmas 3-lobed; ovules many. Fruit of numerous, 

 fleshy, united berries or a 3-valved capsule. 



Genera 45, species about 1,000, all American, a single introduced one in 

 the Philippines. 



1. ANANAS Adanson 



An herb with numerous, elongated, finely toothed, rosulate leaves. 

 Scape short or somewhat elongated, leafy, erect, central, bearing at its 

 apex a simple, dense, cone-like spike. Flowers in the axils of the bracts. 



