60 XVIII. SIMARUBEiE. [Picrasma. 



Tutcti, tithai, tithu, hala, liulashi, arkhar, Pb. (the two last names are 

 also used for species of Rhus). 



Young parts pubescent. Leaflets opposite in 4-6 pairs, nearly sessile, 

 ovate-lanceolate, acuminate, serrate; common petiole 5-8 in. long. 

 Corymbs axillary, shorter than leaf. Flowers small, greenish, generally 

 pentamerous. Sepals and petals persistent; petals five to six times as 

 long as sepals, ovate, acute. Filaments with a thick, pilose base ; 

 anthers cordate-ovate, versatile. Drupes globose, \ in. long, black when 

 ripe. 



Outer Himalaya, from the Chenab to Nepal, between 3000 and 5500 ft., 

 ascending occasionally to 8000 ft. Also in China. Fl. from April-June ; the 

 bitter fruit ripens from July-Sept. A tall, scrambling shrub ; bark smooth, 

 brownish, with white specks, very bitter, and used in native medicine as a 

 tonic and stomachic. 



Order XIX. OCHNACEiE. 



Shrubs or trees, with alternate, simple, glabrous, stipulate leaves. 

 Flowers yellow or orauge, on jointed pedicels. Sepals 5, free, imbricate. 

 Petals as many as sepals, or more. Stamens hypogynous, (10 or) inde- 

 finite ; anthers linear, dehiscing longitudinally or by subterminal pores. 

 Ovary deeply 3-10-lobed, 3-10-celled ; cells uniovulate; style 1, central, 

 slender. Fruit of 3-10 sessile drupes, inserted upon the enlarged torus. 

 Seed exalbuminous. Gen. PI. i. 316; Eoyle IU. 165 ; Wight 111. i. 171. 



1. OCHNA, Schreber. 



Trees or shrubs, wholly glabrous. Leaves alternate, coriaceous ; stipules 

 axillary. Flowers yellow. Sepals 5. Petals 5-10. Stamens numerous, 

 equal; anthers linear. Ovary 3-10-lobed. 



A large shrub ; flowers on short lateral racemes . . l.O. squarrosa. 



A small undershrub ; flowers 3, on long axillary peduncles 2. O. 



1. O. SQuarrosa, Eoxb. Cor. PL t. 89 (1795); Fl. Ind. ii. 643 ; W. & 

 A. Prodr. 152; Wight 111. t. 69. Syn. 0. lueida, Lam. (1796). 



A shrub or small tree ; leaves elliptic-oblong, acute at both ends, 3-5 

 in. long, on short petioles, finely serrulate, with numerous fine, parallel, 

 lateral nerves. Flowers in short lateral racemes on the previous year's 

 wood, often on short generally leafless branchlets. Petals 7-12. 



Bengal, Burma, South India. Will probably be found in the south-eastern 

 part of the Centr. Pro v. Fl. Feb., March. Fruit May, June. Grown in gardens. 



2. 0. pumila, Hamilton. Syn. 0. humilis, Hamilton; 0. collina, 

 Edgew. Trans. Linn. Soc. xx. 43. Vern. Maidan-ka-kusmn, C.P. 



An undershrub ; leaves oblanceolate, 4-6 in. long, narrowed into a short 

 petiole, serrulate with cuspidate teeth. Main lateral nerves distant, 

 irregularly parallel. Flowers 3, on pedicels 1-2 in. long, peduncles 

 axillary, nearly as long as leaf. Petals 5, longer than calyx. 





