268 ^ FLORA OF MANILA 



1. T. CISTOIDES L. 



A perennial, prostrate or spreading, more or less pubescent plant with 

 elongated stems up to 1 m in length. Leaves 4 to 6 cm long; leaflets 

 about 6 pairs, oblong or oblong-lanceolate, apiculate, 0.7 to 1.5 cm long, 

 gray-pubescent beneath. Peduncles 2 to 4 cm long. Flowers yellow, 

 about 3 cm in diameter. Fruits subglobose, about 1 cm in diameter, hairy,- 

 each coccus with about 2 stout sharp spines. 



Abundant about the Paraiiaque church, fl. most of the year; known from 

 several towns in Luzon, local and certainly an introduced plant in the Phil- 

 ippines. Tropics generally. 



69. RUTACEAE (ORANGE OR LUCBAN FAMILY) 



Trees or shrubs, sometimes climbing, often spiny, the leaves with nu- 

 merous or few, pellucid, oil-glands. Leaves alternate or opposite, simple or 

 compound. Flowers regular, perfect, axillary or terminal, solitary, or in 

 fascicles, racemes, cymes, or paniclete. Calyx 4- or 5-toothed. Petals 4 or 

 5 or more, valvate or imbricate, free. Stamens 4 to 10, or in some genera 

 up to 60, hypogynous, the filaments free or connate into a tube, , inserted 

 around the disk. Ovary of 4 or 5, free or connate carpels, or simple and 

 many-celled; styles free or variously united; ovules 1 or 2 to many in each 

 cell. Fruit a fleshy berry or drupe, or capsular, or of 1 to 4 capsule- 

 like cocci. 



Genera 121, species more than 700, in most tropical and many temperate 

 countries, 18 genera and about 60 species in the Philippines. 



1. Ovules 1 or 2 in each cell. 

 2. Unarmed shrubs. 



3. Style very short, persistent 1. Glycoamis 



3. Style jointed on the ovary, deciduous; shrubs or trees with pinnate 

 leaves. 



4. Filaments linear-subulate „ 2. Murraya 



i. Filaments dilated below 3. Clausena 



2. Spiny shrubs with 3-foliolate leaves 4. Triphasia 



1. Ovules 4 to many in each cell. 



2. Leaves 1-foliolate 5. Citrus 



2. Leaves 3-foliolate 6. Aegle 



1. GLYCOSMIS Correa 



Spineless shrubs or trees, with 1- to 5-foliolate leaves, the leaflets entire, 

 alternate. Flowers small, in short, narrow, axillary panicles. Calyx 4- or 

 5-toothed, the segments imbricate. Petals 4 or 5, imbricate. Stamens 8 

 to 10, free, the filaments dilated below. Ovary 2- to 5-celled, the style very 

 short, not jointed, persistent. Ovules 1 in each cell. Fruit a globose, fleshy, 

 1 to 3-seeded berry. (From the Greek "sweet.") 



Species 5 or more, tropical Asia to Australia, the following exceeding 

 variable one, and perhaps one other in the Philippines. 



1. Glycosmis cochinchinensis (Lour.) Pierre (G. pentaphylla Correa). 



Guing-guing (Tag.). 



A shrub 1 to 5 m high, the leaves usually with from 3 to 5 pinnately 



arranged leaflets, sometimes reduced to one or two, all often found on the 



same plant. Leaflets oblong-lanceolate to lanceolate, acuminate, 5 to 18 



