24. BucHNERA.] 98. SCROPHULARIAGEM. 



24. BUCHNERA, L. 



Rigid annual herbs, black when dry with lower leaves opposite, 

 broad, tipper usually alternate and narrow. Flowers sessile axillary 

 or in bracteate spikes^ 2-bracteolate. Calyx tubular, 10-nerved, 

 sometimes 5-ribbed, 5-toothed. Corolla with a slender tube and 5 flat 

 subequal spreading lobes, 2 upper inner in bud. Stamens 4 didy- 

 namous included j anthers 1-celled, vertical, dorsifixed. Style 

 thickened or clavate above, stigma entire or notched. Capsule 

 oblong, loculicidal ; valves separating from the placentae but bearing 

 parts of the septum. Seeds very numei-ous, obovoid or oblong, 

 reticulated. 



1. B. hispida, Ham. 



An erect, strict slender hispid herb, 15-30" high, with rather 

 ■distant pairs of obovate or oblanceolate leaves l-2'5", sometimes 

 smaller and linear upwards. Flowers •4-"5" long, small pretty blue 

 or purple in ultimately lax elongate terminal, and sometimes also 

 axillary, spikes one-third to one-half as long as the whole plant. 

 Capsule oblong-ovoid, slightly shorter than the "S" long hairy calyx. 



Frequent in grassy ground in the forests. Singbhum ! Hazaribagh ! Palamau, 

 Gamble ! Frequent at Neterhat. 3000 ft. ! Fl., Fr. Oct. -Nov. 



Base of stem usually with a persistent rosette of broad leaves shorter than the 

 cauline. Cauline leaves puberulous and hispid, slightlj^ toothed, contracted into a 

 sessile or subsessile base. Flowering part of spike dense. Bracts linear or lanceo- 

 late, lower sometimes exceeding the flowers. Flowers curved. Calyx almost 10- 

 ribbed, teeth short subulate. Corolla with long slender tube, limb •2-"25 ' diam. 

 Anthers black. Capsule closely invested by the calj'x. 



25. STRIGA, Lour. 

 Herbs, usually scabrid and black when dry, with lower leaves 

 opposite and upper alternate linear, sometimes rediiced to scales. 

 Flowers axillary or upper spicate, often 2-bracteolate. Calyx tubular, 

 strongly 5-15 ribbed, 5-toothed or -fid. Corolla with slender 

 abruptly curved tube and spreading 2-lipped limb ; upper lip usually 

 notched or 2-fid, loAver larger 8 -fid. Stamens didynamous, included ; 

 anthers 1-celled, vertical, dorsifixed. Style thickened above, stigma 

 simple. Capsule loculicidal, valves carrying part of the septum but 

 not the placenta;. Seeds very many, ovoid or oblong, reticulated. 



Calyx 15-ribbed 1- euphra»ioide». 



Calyx 10- ribbed 2. hitea. 



Calyx 5-ribbed 3. densijiora. 



1. S. euphrasioides, Benth. 



An erect herb with simple stems 4-6" high, or branched, and 

 attaining 2 ft., with strigose slender branches, linear leaves "25-2" 

 long and terminal spikes of rather pretty pure-Avhite flowers •5--7" 

 long. Calyx •25-'35" long, strongly 15-ribbed, 5-fid with one lobe 

 usually smaller. Corolla-tube pubescent. Capsule shorter than the 

 campanulate fruiting calyx which has often spreading lobes. 



Grassy places, common. Punieah, in dry pastures, A'urz I Singbhum, esp. 

 on clay soils ! Manbhum, Ca>«;?., A'«ri ! Ranclri ! Hazaribagh, C/a /-Are ! Palamau, 

 Gamll'el Fl., Fr. July-Nov. 



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