432 



LYi. HALORAGEJE. (C. B. Clarke.) 



[ Serpicula;. 



S. veronicfsfoUa, Bory of Java; Tulasne In Ann. Sc. Nat. ser. 4. vi. 126, slightly 

 differs from the most glabrous Indian specimens {S. brevipes W. ^ A,) by being quite 

 glabrous, more robust in habit, a brighter red colour, and the fruit more tuberculafe, 



Serpicttla verticiliata, Roxb. Cor. PL t. 164 and FL Ind, iii. 578 is Hydrilla 

 verticillata Eichard among the VallisneriecB . 



3. 



, lAnn. 



Leaves in whorls of 



A glabrous water plants the stems thick, simple, leaiy. 

 4r-6-12, linear or oblong. Floivey-s minute, solitary, sessile in the axils of the 

 leaves; hermaphrodite or unisexual. Cah/x-i\ihe subcylindi'ic,limb entire. P^ 

 tals 0. Stamen 1, epigynous. Ovary inferior, 1-celled ; style 1, linear, stigmatose 

 along nearly its whole length ; ovule 1, pendulous. Dfmpe ellipsoid, very smooth, 

 indehiscent, with a thick wall. 



1. K. vvLlsaris^ Linn. Sp. P/. p. 6; DC. Prodr. iii. 71; EnglBott 

 763 ; Boiss. FL OnenL ii. 754. 



West Tibet, alt. 10,000-15,000 ft.; Falconer, T, Thomson, Strachey # Winter- 

 bottom. — DiSTKiB. Cabul ; Dahuria ; and in the frigid or cool temperate -vraters of 

 the whole Northern Hemisphere ; also at Magellan Straits, 



Leaves in the Tibet specimens about 1 in. 6-10 in the whorl. Flowers mm 

 . upper part of the stem that emerges from the water ; lowest part of the stem losing 

 its leaves. — In all respects agreeing with the common European typo. 



4. »IiraXOPKirZiI.VlKE, Linn. 



• I 



Herhsy glabrous, their stems floating. Leaves dentate-serrate or pectmate- 

 pinnatifid, rarely entire, whorled in the Indian species except M. intermedium' 

 Floivers small, sessile or nearly so, in the axils of floral leaves or iB 

 nearly naked spikes ; monoecious or hermaphrodite. Male : calyx-tube short, 

 limb 2-4-fid or ; petals 2-4 ; stamens 2-8. Fekaxe : calyx-tube deeply ^ 

 furrowed, limb or of 4 minute lobes ; petals minute or ; ovary inferior, 4- or 

 2-celled ; styles 2 or 4, short, Usually recuiTed with plumose stigmas ; ovules 

 solitary in each cell, pendulous. Fniit 4-furrowed or separating into 4 or -^ 

 carpels. — Distrib. Species 15, found all over the world. 



Wight's Herb. No. 942 named M. indicum Willd. consisted really of M. i^^^^ 

 dium DC, and M, tuberculatum Boxb. mixed together. The single plate ^^J^^T: 

 illustrating Indian Myriophyllum viz. Wight III, t. 102 is made up of a stem otM, ««- 

 termedium together with an analysis of the fruit (very good) of M. tuberculatum^ 



'PwctheT, the ipUteoiHaloragisoliganiha Wight Ic. t. 106lisM. intermedium P^^^ 

 as are ^Wight's own herbarium specimens of his Haloragis oligantha\ but not 



Amott's. as see Unrler fi/^r nirul n ^/yiilnvt^^n ol^rxTTo 



Herb 



1 



truly 



'as named M. 

 Arnott ouotea 



K. tuberculatum, Roxh. Hort, Benq. 13 ; Fl Ind. i. 451 ; spit^ 



fruit i 



cuneate 



broad furrows carrying pointed small tubercles. Wall Cat 6837 ; -^ 



FL Jnd.Bat.lvtiem. M. intermedium, WV^^ ^^'• 



Prodr. iii. 69 ; Miq 

 102 as to the fruit o 



.> 



iff. Not 



T f 



J 



west 



Assam and East Bengal. Very common in the iheels, but no specimen from 



of Calcutta. ^ _ . . ■''''4'^eTS 



Upper whorls usually of male flowers, lower of female ; hermaphrodite flo 



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. V 



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