Itnpatiens.} xxxn. GERANIACE^:. ( Balsaminese, Hook, f.) 441 



lateral sepals (or 4 when present) ; Lip for the spurred sepal ; Standard for the petal 

 next the'axis; and Wings for the combined pairs of lateral petals. 



CONSPECTUS OF SECTIONS. 



Series A. Capsule ellipsoid or oblong, short, (rarely | in.), turgid in 

 the middle. Seeds rounded, often with a shining brittle or hairy testa. 

 Chiefly Peninsular, Ceylon and Khasian species. Capsule slender in /. 

 Kleinii, trilobata, and perhaps in a few other species of group in. 



A i. SCAPIGER.E. Root-stock tuberous, perennial. Leaves all radical. 

 Scape slender ; flowers racemed. All Western Peninsula arid Ceylon. 

 (Sp. 1-9.) 



A ii. OpppsiTiFOLm Annual. Leaves all opposite, or the upper rarely 

 all whorled in threes (never alternate), usually acutely serrate. Pedicels 

 solitary or fascicled. Seeds few, large, testa black glabrous. The pedicels 

 of 7. Lawii, salicifolia, and others are sometimes arranged on a short pe- 

 duncle. (Sp. 10-25.) 



A in. SUBVERTICILLAT.E. Annual. Leaves all opposite or subopposite, 

 or the lower alternate and upper opposite or whorled, rarely all alternate. 

 Peduncles 1- or more-flowered. Seeds often villous or hairy. (Sp. 26-36.) 



A iv. UN^OILE. Mostly annual. Leaves all alternate, usually rather 

 distant. Flowers solitary or fascicled ; pedicels not crowded on a common 

 peduncle. (Sp. 37-53.) 



A v. LATERIFLOR^:. Leaves all alternate, rather distant, not all ap- 

 proximate or whorled. ' Peduncles axillary, 1-3 rarely 4-5-flowered ; flowers 

 racemose (not umbelled). (Sp. 51-57.) 



A vi. EPIPB.YTIOE. Succulent short stemmed epiphytes. Peduncles 

 1-2-flowered. Standard and wings very small ; lip very large, laterally 

 compressed and saccate. Western Peninsula. (Sp. 58-60.) 



A vii. UMBELLATE AND SUBCAPITAT^E. Leaves all alternate, rarely 

 opposite, often crowded at the end of the stem or branches and almost 

 whorled. flowers in peduncled dense racemes or subumbelled corymbs ; 

 bracts often conspicuous. Chiefly Western Peninsula and Khasia Mts. 

 (Sp. 61-76.) 



A vin. RACEMOSE. Leaves usually crowded upwards, all alternate. 

 Peduncles many, subterminal, elongate, at length exceeding the leaves, many- 

 flowered. Flowers racemose, rarely whorled or fascicled. (Sp. 77-87.) 



Series B. Capsule, elongate, linear or clavate, rarely shortly clavate 

 Seeds oblong or obovoid, compressed \ testa usually rugulose, opaque, 

 coriaceous, quite glabrous. Chiefly Himalayan and Khasia Mts. species. 

 (Capsule doubtful in /. tropwolifolia, Griff.) 



B i. OPPOSITIFOLLE AND VERTICILLAT.E. Leaves^ opposite or whorled or 

 a few alternate. Stout, tall, succulent, annual species, with subumbelled, 

 often purplish flowers on long peduncles. (Sp. 88-91.) 



B II. UNIFLOR^. Leaves all alternate. Flowers solitary or rarely 

 2 together, on slender axillary pedicels. (Sp. 92-94.) 



B in. AXILLIFLORJE. Leaves all alternate. Flowers in axillary 2 i-flow- 

 ered peduncles, not umbelled or racemeJ. (Sp, 95-106.) 



