16. Beaumontia.] 89. APOCYNACE^ii:. 



16. BEAUMONTIA, Wall. 

 Very large climbing shrubs with opposite leaves with strong arched 

 sec. nerves, and very large Avhite flowers in terminal cymes with leafy 

 bracts. Corolla with a very short tubular base, then campanulate 

 with broad lobes. Stamens low down, anthers horny sagittate, 

 adhering to stigma, spitrred at base. Disc deeply 5-lobed. Carpels 

 connate. Fruit long, thick, woody, finally dividing into two spreading 

 follicles. 



1. B. grandiflora, Wall. 



Frequently cultivated in gardens, native of the Eastern lower Himalaya. Fl. r.s. 

 Evergreen. 



Stems very thick and woody, shoots rusty pubescent. L. usually elliptic-oblong 

 or obovate-oblong, abruptly acuminate, about 5-8" long onlj^ in our area, much 

 larger in its wild state. Corolla 3-5" long, lobes rounded. 



17. CHONEMORPHA, G. Don. 

 Very large climbing shrubs Avith broad opp. leaves and large white 

 flowers in lax terminal and pseudo-axillary cymes. Calyx with a ring 

 of glands Avithin. Corolla salver-shaped with lowest part of tube very 

 narrow then suddenly widened, throat naked, petals broad, obliquely 

 obcuneate, overlapping to right and twisted to the left. Stamens at 

 the swelling of the tube, fil. short villous, anthers sagittate, elongate, 

 pungent, adhering to stigma, cells spurred. Disc thick, annular or 

 cupular. Carpels distinct, top of style globose, stigma conoid or sub- 

 clavate. Follicles long, straight, parallel, 3-gonous. Seeds ovoid or 

 oblong, fiat, shortly beaked, coma long, albumen thin. Cotyledons 

 oblong, fiat. 



1. C. macrophylla, G. Von. Barkla dudhia, Th. 



A powerful climber with thick brown lenticellate branches marked 

 with opposite leaf scars, younger strigillose. Leaves very large, 

 8-16", elliptic, ovate, obovate or orbicular, cuspidate, with 7-12 strong 

 sec. n. and Avell-marked cross nervules. Flowers 2'5-3" diam. in 

 axillary and terminal peduncled narroAv cymes with opposite ovate 

 deciduous bracts. Follicles 8-15" by "75". 



Ravines of the Ramnagar Hills ! Fl. May- July. Fr. Jan. It is often also found 

 in gardens. 



Juice very milky. Young leaf-buds densely j'ellow-tomentose, mature leaves 

 softly pubescent beneath. Petiole 1-175" stout. Stipular line with glandular teeth. 

 Calyx -'S-'o" with lanceolate sepals. Petals obovate '7-1" wide. 



18. AGANOSMA, G. Don. 



Stout climbers, juice not or slightly milky, Avith opp. leaves and 

 m.s. or large floAvers in terminal tomentose cymes. Sepals narroAvly 

 lanceolate acuminate, rarely oblong- ovate, Avith subulate glands at 

 the base. Corolla salver-shaped Avith short basal narroAv tubular 

 portion, then suddenly tube Avider* Avith bearded longitudinal bands 

 behind the anthers, petals OA'^erlapping to the right and scarcely 

 twisted in bud. Stamens at the base of the broader tube, anthers 



* Sir J. B. Hoolcer, in this and similar cases, calls the wider tubular portion a 

 " long throat." 



544 



