13. LiMNOPHiLA.] 9S. SCBOPHULARIACE^. 



The species are variable, the habit and foUage much depending on the depth of 

 the water, etc., in Avhich they grow. I think that nos. 2 and 3 are possibly forms 

 of one species, 5 and 6 of another, and nos. 7-10 of another variable species. 

 I, Leaves not whorled, never pinnatifid nor with capillary seg- 

 ments. (Mostly stout erect species with small diffuse forms 

 in 2 and 3) : — 



A. Flowers mostly in heads : — 



Stems stout 1-2 ft. L. 2-3"5" long 1. BoxhurgUi, 



B. Flowers solitary axillary or becoming spicate or race- 



mose : — 



1. Flowers sessile or very shortly pedicelled : — 



a. Leaves with only one primary nerve (midrib) : — 



Glabrous or nearly so. Sec. n. scarcely visible . . 2. couferta. 

 Pubescent. Sec. n. visible. Fls. often shortly pedi- 

 celled 3. diffusa. 



h. Leaves with 3-5 primary nerves :— 



Erect or decumbent, glabrous below, glandular- 

 pubescent above 4. liypericifolia, 



2. Flowers with pedicels exceeding the calj-x :— 



Erect, glabrous. Flowers "So-'G" racemed . . .5. gmtissima. 

 (See also hirxnfa, var.). 

 II. Leaves some or all whorled (rai-ely all opposite in 5 and 6), 

 often pinnatifid or capillaceo-multifid:— 



A. Leaves 1-nerved, no pinnatifid leaves. Fls. pedicelled. 



Fruiting calyx striate :— 



Glal)rous. Flowers racemose 5. grati»sima. 



More or less hairy. Fls. more cymose (often in 3's) . . 6. hirsuta, 



B. Pinnatifid or capillaceo-multifid leaves always present, 



opposite leaves, if present, usuallj' 3-nerved. Fruiting 

 calyx membranous, not striate : — 



1. Fls. with ijedicels longer than calyx :— 



Slender, glabrous or puberulous. Fls. pale-coloured . 7. gratioloides. 

 Stouter. Pubescent or liirsute. Fls. purple or bluish . 8. racemosa. 



2. Flowers sessile : — 



Habit of 7. Multifid leaves 0. Stems pubescent . . 9. sessilijlora. 

 Stouter. Multifid leaves present. Stems glabrous . Id. heterophyUa. 



1. L. RoxbuFghii, G. Bon. 



Stems stout 1-2 ft. high from a creeping base, leaves opposite 

 elliptic or ovate 2-3-5" long, narrowed at base into a petiole -25-1'^ 

 long, crenate-serrate or crennlate, sec. n. 7-10 strong, running to 

 close within the margin. Flowers blue-purple with yelloAv mouth, 

 sessile in dense axillary heads. Capsule compressed oblong, grooved, 

 •2-25" long. 



Along streams, usually under shade. Monghyr. IIam.\ Singbhum ! Manbhum, 

 Camp. ! Ranchi, Clarkel Hazaribagh, Cal. Herb. ! Fl. r.s. Fr. Nov.-Dec, old 

 inflorescence remaining up to Feb. 



Aromatic ; pubescent or glabrous, petioles forming lines at the thick nodes. 

 Leaves punctate beneath, obtuse or subacute. Heads globose or oblong, sessile or 

 shortl.y peduncled Avith conspicuous bracts to the flowers. Calyx hairy or pubes- 

 cent, '.3" long (measuring along longest sepal), lobes acuminate, with strong mid- 

 rib. Corolla "3". Seeds oblong angled, minutely dotted rather than reticulate. 



2. L. conferta, Benth. 



A scented nearly glabrous herb, variable in size, small and diffuse 

 4-8" or sometimes erect and up to 18". Leaves •2-"3" long only or 

 •75-1-5" long, always elliptic-lanceolate or elliptic-oblong sessile or 

 subsessile, conspiciiously punctate (gland- dotted) beneath, serrate 

 or obtusely serrate, with obtuse tip and when fresh appearing nerveless 

 except the mid-rib. Fls. purple •S-'S" long, arranged in axillary 



626 



