﻿Ilysanthes.'] scrophulariacej^ (Hiern). 365 



2. I. conferta (Hiern); a nearly glabrous herb, aquatic; stems 

 simple, erect, rather slender, tetragonous at least above, 4-8 in. high, 

 submerged and naked below by the lapse of most of the lower pairs 

 of leaves, rooting near the base ; leaves opposite, crowded at and near 

 the top of the stem, rotund or obovate, rounded at the apex, wedge- 

 shaped towards the broad shortly petiolate or sessile base^ some- 

 what fleshy-coriaceous, entire, -^-| in. long, ^-^ in. broad, rather 

 glossy and minutely dotted above, minutely glandular beneath ; 

 bases of leaves or petioles connate, sheathing; flowers axillary, 

 subterminal, shortly pedunculate, about ^ in. long, whitish ; calyx 

 about yVi i^- lo"S> deeply lobed ; segments ovate or oblong, obtuse, 

 rather unequal in breadth, imbricate below; staminodes curved 

 towards the apex, nearly glabrous ; capsules ovoid-oblong, ?, in. long ; 

 style persistent, i in. long; stigma beset with short thick hairs. 



Kalahari Region: Transvaal; South African gold-fields, 5amcs .' 

 Eastern Region: Natal; in shallow pools, rocky at the bottom, at Imbele- 

 come, in the Eovelo Hills, Sidherland ! 



3. I. Schlechteri (Biern); a dwarf herb, 1-1 1 in. high, erect, 

 minutely glandular-puberulous or nearly glabrous, simple or branched 

 at the base, with a rosette or cluster of leaves at the base ; stems or 

 branches erect or ascending, sparingly leafy above the base ; leaves 

 opposite, elliptical, obovate or oblong, obtuse, more or less narrowed 

 at the sessile or shortly petiolate connate base, rather thick, repand 

 or slightly denticulate, \-\ in. long, tV-tV i". broad ; flowers 

 axillary, subterminal, about \ in. long, solitary m each axil, subsessile ; 

 calyx about VW"]^ in. long, S-cleft ; lobes triangular-lanceolate 

 acute, about -^\ in. long ; corolla-tube rather shorter than or about 

 equalling the calyx ; stamens 2, antheriferous ; capsules ovoid- 

 oblong, acute, about ^- in. long. 



Kaiahaei Region: Transvaal; Lake Chrissie, TFiZms, 1046! near Bergen- 

 dal, 6000 ft., Sdilecliter, 4009 ! 



4. I. (Bonnaya) nana (Engl. Jahrb. xxiii. 505) ; an erect herb 

 glabrous or minutely glandular-puberulous, simple or somewhat 

 branched, 1-4 in. high, apparently persisting for several years ; stems 

 tetragonous, moderately slender and rigid, leafy or at length naKec 

 at the base, more or less leafy above ; branches divaricate or ascending 

 mostly alternate ; radical leaves rosulate, obovate, ^o^nded, wedge- 

 shaped at the shortly petiolate base, denticulate or repand, '■^'^J^''^, 

 ^-^ in. broad, soon decaying or deciduous ; stem-leaves opposde or 

 occa^'sionally ternate, ovate, or narrowly elliptical, obtuse more o^ 

 less narrowed to the sessile or subsessile connate base, ^^f «/ ^luck or 

 fleshy, often purplish beneath, denticulate or repand, «-., ^J'^ ^^"-l 



^W in. broad, about equalling or ^^^''^'^^^^/^^til arv or s^b: 

 flowers subsessile or very shortly pedunculate, axillary or sub 



terminal, 1-3 together, solitary or q"^«'-f''^^^''="J"i"' ."1 J" ntaJe 

 pinky-white; caly\ ^A in long in ^^ ^'^ c£:!^e 

 teeth deltoid or sublanceolate, acute, ^^2 o m. lon^ , 



