1890.] 



FRULLANIAE MADAGASOARIENSES. 



7 



bifida, segmentis subulatis, spinosis. Perianthia ovalia, oblonga, 

 elongata, alte trigona, glabra. 



Growing in straggling masses, irregularly branched, of 

 • a dark brown colour. Leaves strongly convolute when dry. 

 giving tlie stem a neat, twine like appearance, bence its 

 name, closely imbricate, patent-divergent, auriculate on one 

 side, smooth, when moistened slightly recurved, roundisb, 

 semi-cordate, entire; lobule erect, cylindrical ; cells smallish, 

 oblong, with thickened walls, sinuate within; style broadly 

 and shortly subulate. Underleaves closely imbricate, margin 

 slightly revolute, 4 times as broad as the stem, broadly 

 rotund, cordate-reniform, bifid from about an Vsth to a y 7 th 

 deep, sinus acute, narrow, segments acute. Inflorescence 

 dioicous, cladogenous. Bracts longer t-han the leaves, bi- 

 lobed, divided to about a 1 /^rå from the base, lobes broadly 

 acinaciform, entire; lobules of almost equal length, broadly 

 subulate, spinose. Bracteole connate on one side with the 

 bract, oblong, subquadrate, divided to about the middle, 

 margin laciniate-spinose, segments subulate, spinose-dentate. 

 Perianth oval-oblong, elongate, deeply trigonous. unicarinate 

 beneath, marginal angles recurved, rostellate, smooth. An- 

 droecia not seen. 



Measurements. Stems 3 to 4 inches long, .2 mm. diam.; 

 leaves .8 high X .9 mm. broad, .9 X .11 mm.; lobule of 

 leaf .5 X .25 mm., .5 X .3 mm.; cells .03 X. 015 mm.; style 

 .1 mm. long X .075 mm. broad at the base, bract 1.5 X .7 

 mm.; lobule of bract 1.25 X .4 mm.; bracteole 1.5 X .75 

 mm., segments .75 mm.; perianth 2,25 X 1. mm. 



Hab. In montibus Ankara tra, 1879, legit Borgen, (Hb. 

 Kiær no. 97). In silva Alamazautra, Julio 1882, legit 

 Borgen, (Hb. Kiær no. 99). 



Description of Plate III. Fig. 1. Plant nat. size. 2. 

 Portion of stem X 24. 3. Leaf X 24. 4, Portion of 

 leaf X 290. 5. Lobule of leaf X 24. 6. Style X 85. 

 7, 8. Underleaves X 24. 9. Bract X 24. 10. Bracteole 



