﻿Manuka.] scROPHULARiACEiE (Hiern). 223 



Corolla-lobes bifid at the apex 



and incised (8) incisiflora. 



Xt luflovescence gkndular-pubesueut ... (9) altissima. 



ft Corolla-lobes ovate or lanceolate (10) pnsilla. 



** Flowers arranged in a more or less compound 

 tbyrsoid or paniculate inflorescence : 

 t Corolla-lobes obtuse : 



Calyx 5-cleft; lobes about half as long as the 

 calyx or at first membranously connate above 

 the base or to the middle : 



Plant shrubby, hoary ... ... ... (11) incana. 



Plants herbaceous, not hoary : 



Calyx tomentose ; corolla-throat crowded 



at the back with clavate hairs ... (12) thodeana. 



Calyx puberulous or glabrous; corolla- 

 throat naked : 



Root perennial or rarely annual ; 



corolla-tube 4-^ in. long ... (13) crassifolia. 



Root annual ; corolla-tube jp^-g iu. 



long .. (14) corymbosa. 



Calyx deeply 5-lobed : 



Stems scape-like, leafy only or almost only 

 at the base ; root annual : 



Flowers about J in. long; pedicels 

 about J in. long ... ... ... (15) minor. 



Flowers about ^-^ iu. long ; pedicels 



Jg in. long or less (16) aadrosacea. 



Stems more or less leafy above the base, not 

 scape- like ; root usually perennial : 



Oorolla-tubc glabrous outside except at 



the top ; plants glabrous or puberulous : 



Stems erect or ascending; flowers 



^l-jin.long; leaves oblanceolate 



or sablinear : 



Flowers subspicate, J-f in. 



long .. (17) laxa. 



Flowers paniculate, ^-^ in. 



long ... (18) leiostachys. 



Stems decumbent ; flowers ^-g m. 



long ; leaves elliptical or obovatc (IL*) obovata. 

 Corolla-tube papillose-puberulous outside 

 or plant shaggy - 

 Stems decumbent : 



Leaves petiolate, toothed or 



incise-dentate (20) rubra. 



Leaves sessile or the lower 

 shortly petiolate, entire or 



repand ... (31) obtusa. 



Stems erect or ascending : 



Flowers usually g-^ in. long... (22) cephalotes. 

 Flowers ^-^ in. long : 



Delicately pubescent; in- 

 florescence loosely tbyr- 

 soid (23) thyrsiflora. 



Scabrid-pubescent or glab- 

 rous ; inflorescence 

 densely thyrsoid ... (24) densiflora. 

 Flowers J-J in. long : 



Hoary-pubescent; calyx ^^j-J 

 in. long; leaves elliptical 

 orobovate (25) panicnlata. 



