77. RUBIACE.E. [22. Hamiltonia. 



Orissa, Puri District under sliade from Khurda southwards ! Mayurljhanj. elev. 

 2000 ft.! Fl. June -Aug. Fr. Dec.-Feb. Everg-reen. 



Under surface of leaf with microscoinc white dots when fresh. Stipules half- 

 tubular with a rounded tip due to the falling oft" of the acumen, deciduous and 

 leaving a scar with ring of brown hairs. Cymules about '25". Pedicels very short. 

 Calyx cup-shaped truncate or obtusely-lobed. 



Distrib. : Chittagong, Sikkim, Assam and Burmah. 



2. P. denticulata, Wall. 



A stout shrub 3-5 ft. high with thick subsucculent hraiiches, hirge 

 elliptic, lanceolate or ob-lanceolate shortly acuminate leaves 8-10' 

 long with attenuate base and 15 to 20 nearly straight strong- secon- 

 dary nerves. Petiole -8-1". Stipules very large -8-1" broadly 

 oblong and with two filiform tips •1--2" long, their bases connate 

 inside the petioles, soon decidtious and then showing the brown 

 pubescence in their axils. Fls. greenish-white 2" diam., salver- 

 shaped, sub-sessile in dense terminal corymbose cymes 2-3" diam. 

 on peduncles 2-3" long. Corolla tube broadly tubular -1" long, 

 petals slightly longer oblong-lanceolate, throat villous. 



Meghasani, Mayurblianj, elev. 3000 ft. near rivers ! Fl. May-June. 



Branchlets compressed below the nodes. L. slightly puberulous on mid-rib and 

 lower part of secondary nerves ])eneath. nerve pits very minute or absent. Cymes 

 pubescent, branches opposite or 2-4 in a whorl with stalks '.o-l" long, bracts small, 

 (•15") ovate or lanceolate with filiform tip. Calyx teeth small, broadly triangular. 

 Tips of petals incurved and shghtly imbricate in'bud, throat villous. St. 5 erect on 

 the throat, anthers oblong exserted. Disc large swollen. Fruit (not seen in our 

 specimen) subglobose 'IS -'2", pyrenes plano-convex, smooth. 



21. CHASALIA, Comms. 



Corolla-tube slender curved. Seeds orbicular compressed and 

 ventrally concave. Albumen ruminate. The rest as in Fsychotna. 



1. C. curviflora, Thw. Syn. C. lurida, Miq. 



A glabrous undershrub 2-i ft. high with jjale branches, oblong or 

 somewhat oblanceolate sliortly acuminate leaves 5-10" long witli 

 7-11 sec. n. and petiole •5--8" long. Fls. S-'-i" long, Avhite, sessile in 

 dense cymes on the rhachis of a short terminal subcorymbose panicle 

 with a peduncle 1-2" long. Fruit didymous sub-globose '25", bhie. 



Under dense shade and near streams. Meghasani 3000 ft., Mayurbhanj ! Mais 

 of Orissa, 2000 ft. ! Fl. April-.June. Fr. Aug. 



Sec. n. of leaves slightly curved then running parallel to margin, tertiariest 

 obscure. Stipules shortly broadly ovate. Panicle 1-2" broad with short branches, 

 Hypanthium "07", nerved, nerves joined round the top, sepals minute. 



N.B.— I have described the Orissa form only of this species, which is very- 

 variable. Sif J. D. Hooker states that the flower.s are dimorphic with respectively 

 long and short stamens and style. 



22. HAMILTONIA, Roxb. 

 An erect shrub, fQ3tid Avhen bruised wdth prominently-nerved 

 leaves and intrapetiolar acute persistent stipules. Flowers small, 

 white or lilac, SAveet-scented, capitate on the branches of broad ter- 

 minal 3-chotomously branched panicled or sub-umbellate cymes. 

 Hypanthium ovoid. Sepals ■i-5 subulate, often glandular, persistent. 

 Corolla funnel-shaped with long tube, petals 4-5 valvate. Stamens 

 inserted in the throat, filaments short subulate, anthers obovate- 

 oblong. Ovary 5-f urrowed, almost free from the hypanthium, 5-celled, 



441 



