238 LABIATJE. [ Acbocephalts. 



Dehra Dun (Gamble and Duthie), Moradabad (T. Tbomson). Flowers 

 July to October Distbib. Throughout India, chiefly in the billy 

 districts, Himalaya up to 5.000 ft. from Kashmir to Bhutan, extending 

 to Burma, Java and Borneo. 



4. GENIOSPORUM, Wall. ; FL Brit. Ind., iv, 609. 



Herbs. Flowers small or minute ; whorls many-flowered, in long 

 lax racemes or spikes, bracts often coloured. Calyx ovoid in flower, 

 tubular in fruit, suberect or decimate, o-toothed : upper tooth broadest, 

 not decurrent ; lateral free or connate with the upper ; lowest pair 

 short, free or connate. Corolla 2-lipped, tube short, upper lip 4-fid.; 

 lower decimate, entire. Stamens didynamous, decimate, filaments 

 free, toothless. Disk swollen, gibbous. Ovary 4-partite , style-arms 

 short, flattened. Nutlets dry, ovoid or oblong, smooth or punctulate. 

 Species about 12, in Tropical Asia and Africa and in Madagascar. 



G. strobiliferum, Wall. PI. As. Ear. ft, 18 ; F. B. I. iv, 610. Plectr^n- 

 thus coloratus. Don Prod. 116. 



An erect puberulous herb. Stem 2-3 ft. high, obtusely angled. Leaves 

 2-5 in. long, lanceolate, coarsely serrate, base acute or rounded, petioles 

 •J-f in- long. Flowers | in. long, arranged in spikes 2-5 in. long ; bracts 

 leaf-like, white, deciduous, exceeding the pedicelled flowers. Calyx 

 pubescent, with 2 black glands on the lower lip, ovoid in flower, 

 erect and tubular in fruit, throat glabrous. Corolla white with purple 

 veins, lower lip narrow. Stamens exserted. Nutlets ellipsoid, black 

 hispid towards the apex. 



Dehra Dun (Gamble and Duthie). Flowers July to Oct. Distrib. Id 

 dry forests f.om Kumaon to Bhutan up to 5,000 ft., also on the Ehasia 

 Mte. 



5. PLECTRANTHUS, L'Herit. ; Fl. Brit. Ind. iv, 616. 



Herbs or undershrnbs. Flowers usually small, in lax (rarely close) 

 panicled or racemose 6-8-flowered cymes. Calyx usually 2-lipped; 

 loles 5, subequal or the upper widest, enlarged in fruit. Corolla 2- 

 lipped; tube exserted, long or short, straight or decurved, throat equal 

 or obliquely swollen ; upper lip usually short, broad. 4-fid., recurved ; 

 lower much longer, entire, boat-shaped, stipitate or narrowed at the 

 base. Stamens didynamous, decimate ; filaments simple, free, anther- 

 cells usually confluent. Bisk usually enlarged in front. Ovary 4- 

 partite, style subequally 2-fid. Nutlets orbicular ovoid or oblong, 

 smooth granulate or punctate, basal scar small.— Species about 90, in 

 Trop. and Sub-trop. Asia, Africa, Australia and Polynesia. 



