410 A FLORA OP MANILA 



Species 50 or more in tropical Africa, Asia, and Malaya, 7 or more in 

 the Philippines. 



J.. Flowers minute, less than S mm long; a very aroiftatic plant, green 



throughout^ cultivated only 1. C. amboinieus 



1. Flowers about 1 cm long; plants slightly aromatic or nearly odorless, 

 variously colored. 

 2. Leaves 5 to 10 cm long, variously and prominently colored; cultivated 



only.. • " 2. C. blumei 



2. Leaves 1.5 to 3.5 cm long, slightly colored or nearly green. 



3. C. pumilus 

 *1. C. AMBOiNicus Lout. (C aromaticus Benth., C. suganda Blanco). Su- 

 ganda (Tag.) ; Oregano (Sp.-Fil.) 

 An erect or spreading, branched, rather coarse, strongly aromatic hferb, 

 green, the stems fleshy. Leaves broadly ovate, crenate, fleshy, rounded or 

 obtuse, base decurrent, often cordate, 4 'to 9 cm long, somewhat villous. 

 Flowers small, in distant, many-flowered whorls. Calyx-throat glabrous 

 inside, the upper lip ovate, acute, thin, the lower acuminate. Corolla 

 pale-purplish, with a short tube, the throat inflated, the lips short. 



Occasionally cultivated for its very arom.atic leaves, very rarely flower- 

 ing; occasional in cultivation in the Philippines, introduced, orig^in un- 

 certaiin. Cultivated, India to Malaya, and in va];ious other tropical countries. 



♦ 2. C. BiiUMEi Benth. Mayans, Maliana (Tag., Vis., Pamp.). 



An erect, branched, somewhat succulent, annual herb 1 m high or less, 

 the leaves variously colored, usually more or less pubescent. Stems usually 

 purplish, 4-angled. Leaves ovate, rather coarsely toothed, 5 to 10 cm long, 

 in the most common form uniformly velvety-purple. Inflorescence terminal, 

 simple or branched, 15 to 30 cm long. Flowers purplish, numerous, in lax 

 verticils of cymes or racemes, the pedicels about 4 mm long. Calyx green, 

 about 2.5 mm long, the upper lip ovate, obtuse, the lateral lobes short, 

 ovate, the lower one 2-cleft. Corolla about 11 mm long. (Fl. Filip. pi. 208.) 



Frequently cultivated, fl. Nov.-Mar. Generally cultivated in the Phil- 

 ippines for its ornamental foliage, but certainly introduced. India and 

 Malaya, often only cultivated, and in cultivation in most warm countries. 



3. C. pumilus Blanco (C gaudichaudii Briq.). 



A lax, erect or spreading, simple or somewhat branched -herb 30 to 90 cm 

 in length, the stems square, green, fleshy, usually decumbent below and 

 rooting at the nodes. Leaves ovate to broadly ovate, 1.5 to 3.5 cm long, 

 with scattered, long, weak hairs, acute or obtuse, base truncate, acute, or 

 decurrent, margins coarsely dentate. Inflorescence a narrow terminal 

 panicle, 8 to 20 cm long, rather lax, few or many flowers in each verticil. 

 Flowers blue-purple, about 1 cm long , slightly glandular and hairy. 



In thickets, Masambong, near Fort McKinley, etc., rarely also cultivated, 

 fl. Nov.-Jan. Known only from Manila and vidnity. 



6. POGOSTEMON Desfontaines 



Erect, branched, mostly aromatic herbs or undershrubs. Leaves opposite, 

 petioled, large. Flowers small, in axillary and terminal, simple or panicled 

 spikes or contracted racemes, formed of many densely flowered cymes or 

 whorls. Calyx nearly equally 4- or 5-toothed. Corolla-tube exserted or 

 included, the limb somewhat 2-lipped, the lobes 4. Stamiens 4, exserted. 



