104. ACANTHACE^. [10. Echinacanthus. 



Stem sometimes sparsely hairy above. Leaves densely lineolate, 

 base rather suddenly narrowed to and somewhat decurrent on the 

 •5-1-2" long slender petiole, see. n. 6-7 curved forward withm the 

 margin, raised beneath and united by numerous tertiaries. Bracteoles 

 about 1" long including the petiole which is half to three-fourths as 

 long as blade" sometimes lanceolate. Sepals nearly free, •6--7^ with 

 setaceous tips as long as the blade, strongly ciliate and Imeolate, with 

 strong midrib adpressedly hairy. Corolla pubescent except on the 

 lobes within, narrow part of tube very slender and up to l-o' , limb 

 up to 1-75" diam. with orbicular-oblong lobes. 



5. R. tuberosa, L. Syn. Cryphiacanthus barbadensis, Nees. 



About 1 ft. high, much branched from a rootstock of numerous 

 fleshy tubers, nearly or quite glabrous. Leaves elliptic-obovate 2-4 

 often undulate -crenate, shortly petioled. Flowers deep blue, hand- 

 some, in axillary and terminal cymes. Bracts and bracteoles narrow 

 Calyx -5", glandular, cut to base into subulate filiform tipped 

 segments. Capsule linear "S". 



Frequent in gardens and often spreading naturally. Native of tropical America. 

 A very pretty plant but the flowers all fall off before mid-day. 



10. ECHINACANTHUS, Nees. 



Herbs or undershrubs with opp. sub-entire or toothed leaves. 

 Flowers often showy, cymose, cymes axillary and forming a terminal 

 panicle, bracts small, linear, bracteoles small or 0, pedicels short or 0. 

 Sepals 5, long, linear. Corolla tubular-ventricose, narrow tubiilar 

 portion about equalling the widened part, lobes 5 subequal, rounded. 

 St. didynamous included ; anther cells 2 oblong parallel, base 

 spurred or muticous. Ovary with linear style and simple stigma. 

 Ovules 6-8 in each cell. Capsule oblong or linear, 8-16 seeded, nearly 

 from the base. Retinacula normal. Seeds compressed, discoid, 

 densely hygroscopically hairy. 



1. E. attenuatus, Nees. 



A pretty perennial herb 1-2-5 ft., glandular-pubescent above with 

 subtuberous roots and with (or without when in flower and fruit) 

 large radical leaves 6-9" long, cauline gradually smaller upwards and 

 passing into the glandular-pubescent linear bracts of the inflorescence. 

 Flowers violet 1-25" long in axillary panicled lateral spreading 

 spiciform cymes, on the rhachis of which they stand vertically. 

 €apsule •65-- 75', narrowly oblong or linear-lanceolate with a solid 

 base under -1' long, glabrous, 4-valved. 



Common in Sal forest on white loam in the Northern Champaran forests ! Fl. 



Stems glabrescent below. Leaves elliptic oblong below to lanceolate or oblanceo- 

 late above, glabrous, entire or mostly shallowly dentate or sinuate acute base 

 narrowed into the winged petiole ; sec. n. about 12 looping at their ends, bpikes 

 few-flowered, upper forming a terminal panicle. Sepals --d', erect, '^oroua v.ita 

 slender part of tube included, venose, lobes ovate obtuse. Filaments and antners 



44 



