242 LAB I AT JZ. [ Pogostesion. 



Abundant within the area, especially in the Sub-Himalayan tracts from 

 Dehra Dun to Gorakhpur, also in Bundelkhand. Distrib. TV. 

 Himalaya up to 5,00<» ft., Punjab plain, Bengal, the Circars and in the 

 Bombay Pres., also ia Upper Burma. The ashes prepared from the 

 stems are used in some places as manure for young rice plants. The 

 scent of the leaves resembles that of black-currants. The true patchouly 

 p'ant, from which the well-known scent is derived is, according to 

 Prain, P. Cablin, Benth. ( - P. mavis, Ten. and P. Patchouli var. suavis, 

 Hook. f. in. F. B. I. iv. fi3i). It is known only in cultivation, and it 

 very seldom produces flowers. P. Patchouli of the P. B. I. is P. Hey- 

 neanus, Benth. and is recognized in commerce as " Indian pafeftouk'." 



9. DYSOPHYLLA, Blume ; Fl. Brit. Ind. iv, 637. 



Herbs. Leaves opposite or whorled. Flowers minute, in dense 

 long spikes composed of numerous close-set many-flowered cymes. 

 Calyx ovoid, 5-toothed, teeth subequal, throat naked within. 

 Corolla small, tube exserted or included, limb equally 4-fid.; upper 

 lobe entire or 2-fid., lower somewhat spreading. Stamens 4, exserted, 

 straight or subdeclinate ; filaments very long, bearded ; anther-cells 

 confluent. Disk equal, subentire. Style 2-fid., lobes subulate. 

 Nutlets ovoid or oblong, smooth or granulate. — Species about 15, 

 in Tropical Asia and in Australia. 



D. crassicaulis, Benth. in Wall. PL As. Bar. i, 30 ; F. B. I. iv, 640 ; 

 Collett Fl. Siml. 387; Prain Beng. PL 851. Vab. pumia, F.B.I, iv, 

 I c; Prain I.e.; D. pumila, Benth. I.e. Mentha verticillata, Don Prod. 

 114. 



A dwarf annual. Stems few, erect, 3-4 in. high, usually subglabrous. 

 Leaves sessile, flat, usually in whorls of 4, about \ in. long, narrow- 

 ly oblong or oblanceolate, obtuse, distantly and rather coareeiy 

 toothed. Spikes terminal, £-1 in. long, dense, cylindric, sometimes 

 interrupted below, rachis hairy : bracts exceeding the calyx, ob- 

 lanceolate. obtuse, the lowest often leaf -like. Calyx hairy, teeth erect 

 or conniving in fruit ; lobes triangular, enlarging in fruit. Corolla 

 purplish, tribe exserted. Filaments bearded with bluish moniliform 

 hairs. Nvtlets very small, orbicular, compressed, pale, shining. 



Dehra Dun, in swampy ground at Kaluwala, elevatiou about 1,500 ft. 

 (Gamble). Flowers in Dec. Distrib. Northern Bengal. The type 

 is abundant on the Himalaya from Kashmir to Sikkim ; also in E . 

 Bengal, Assam, Sylhet and on the Khasia Hills. The variety differs 

 by its dwarf habit, much shorter Bpikes and the more hairy calyx. 



10. COLEBROOKIA, Smith ; Fl. Brit. Ind. iv, 642. 



A densely hoary or woolly shrub. Leaves opposite or ternate, 

 petioled, rugose, oblong-lanceolate, crenulate or serrulate. Floicers 



