188 xcviii. ACANTHACE^ (clarke). [Jitsticia. 



lower Guinea. Princes Island, Barter, 19S5 I Island of St. Thomas, Don ! 

 Wehcii-sch, 5200 ! Moller ! Gaboon : Sierra del Crystal, Mann, 1690 ! 



Mozamb. Dlst. German East Africa: Usaramo, Stuhlmann, 869b \ Uluguru, 

 Stuhlmann, 8994 ! 



12. J. phyllostachys, C. B. Clarke. Hairy ; branches 2 ft. long, 

 angular, dividing. Leaves up to 4 by 1§ in., narrowed at both ends ; 

 petiole li in. long. Spikes up to 2J by 1 in,, dense; floral leaves § by 

 \ in , acute (but the lower are often 1 in. long, approximating to ordi- 

 nary leaves, so that the inflorescence appears leafy), with 3-1 flowers 

 under each ; bracteoles 2, minute. Sepals 5, subequal, \ in. long, linear- 

 lanceolate. Corolla up to | in. long ; tube linear-cylindric ; very little 

 inflated upwards ; lips scarcely \ in. long, posticous oblong-elliptic, 

 subentire. One anther-cell below the other, tailed ; pollen ellipsoid, with 

 2 stopples and several rows of tubercles on the bands. Pistil glabrous 

 except a few scattered hairs on the style. Capsule 1 in. long ; 4-seeded, 

 glabrous ; stalk solid, less than -f-^ in. long ; placentae not rising 

 elastically ; surface of .seeds irregularly corrugate. 



Xiow^er Guinea. Angola : Cunene River, Johnston I 



Mozamb. Blst. Nyasalund ; between Mpata and Tanganyika Plateau, 2000- 

 3000 ft., Whyfe ! Nyika 'plateau, 6000-7000 ft., Whyte, 118! Mount Cliiradzulu, 

 4000 ft., Whyte ! 



The Nysisaliind plant is the type of this species ; the plentiful material varies from 

 soabrid to softly hairy. The Angola fragment is imperfect, and appears the same so 

 far as it goes. The lower anther-cell is definitely tailed, but in one example only 

 obscurely so. 



18. J. Iseta, S. Moore in Journ. Bot. 1880, 311. Perennial, 3 ft. 

 high, hairy. Leaves up to 5 by If in., elliptic-lanceolate, acute at either 

 end ; petiole J in. long. Spikes forming a terminal panicle, 1 J by j in., 

 or a compound panicle 3 by 2 in., continuous, rather lax ; bract J-J in. 

 long, lanceolate from an elliptic base, minutely hairy ; bracteoles \ in. 

 long, similar to the bracts. Sepals 5, J in. long, linear or oblong-linear ; 

 two anticous rather broader ; posticous hardly smaller than the two 

 adjacent, but sometimes wanting (fide IS. Moore). Corolla | in. long, 

 violet. One anther-cell below the other, tailed ; pollen ellipsoid, with 

 2 stopples and single rows of tubercles. Pistil glabrous, except a few 

 minute hairs near the style-base. Fruit unknown. — J. malcmgana, 

 Lindau in Engl. Jahrb. xx. 71, and in Engl, k, Prantl, Pflanzenfam. 

 iv. 3 B. 349. 



Zio-wer Guinea. Angola: Pungo Andougo, W>Zt<?tY5cA, 5081 ! 5108! Malange, 

 Buchner, 118 ! 



14. J, simplicispica, C. B. Clarke. Stem 12-18 in. long, weak, 

 hairy. Leaves 1-2 in. long, elliptic or oblong, obtuse at either end, 

 hairy beneath, finally nearly glabrous. Petiole 0-^ in. long. Spike 

 H ^y l~^ ^^•» i"^ther dense; bracts each containing one flower (true 

 bracts) § in. long, tip broad-elliptic, lanceolate ; bracteoles 2, J in. long, 

 linear. Sepals o, \-h in. long, linear ; posticous one distinctly shorter. 

 Corolla h-^ in. long. Filaments glabrous ; upper anther-cell shortly 



