396 
Acrocephalus alboviridis, Hutchinson, sp. nov., caulibus sicco 
nigro-purpureis glabris foliis oblongo-ovatis glabris capitulis 
sphaericis alboviridibus distincta. 
Planta lignosa usque ad 1-3 m. alta, superne corymboso- 
ramosa; caulis obscure quadrangularis, basin versus circiter 
6 mm. diametro, internodiis circiter 2 cm. longis. Folia sessilia, 
lateralibus obscuris. Capitula sphaerica, alboviridia, dense 
corymboso-conferta, circiter 1-5 cm. longa, dense villoso-tomen- 
tosa; bracteae dense confertae, late obovato-orbiculares, apice 
breviter triangulares, circiter 1 cm. longae et 1-2 cm. latae, 
extra superne dense villoso-tomentosae, intra glabrae. Calyx 
dentatus, sani dense villosus, intra glaber. Corolla infundibuli- 
formis, 6 mm. longa, fere glabra, lobis ovatis obtusis. Stamina 
exserta; filamenta circiter 6 mm. longa, glabra; antherae 
0-75 mm. longae. Stylus staminibus paullo brevior, bifidus. 
Ovarium glabrum. 
NORTHERN NIGERIA. Ropp, 4600 ft., 19 July, 1921, 3-4 ft. 
high, spherical aoe white heads with pale mauve flowers, 
H. V. Lely No. 
- Orthosiphon ao. Baker ; F.T.A. v. 368. 
cores 2200 ft., 17 May, 15 ins. hh, Kaeo of reddish 
e flowers with odour of sage, No. 186. 
Distrib. eas Coast and Northern Nigeria. 
Orthosiphon bracteosus, Baker ; ¥.T.A. v. 375. 
Naraguta, 18 ins., bracts purple, flowers white with purple 
veins, No. 47. 
Distrib—Upper Guinea and East Africa, south to areas 2 2 
Hoslundia opposita, Vahl, var. verticillata, Baker ; F.T.A. v 
Top of Zaranda Mt., 5800 ft., - Pa upright 2-4 ft. ey 
flowers greenish white, No. 
Aeolanthus pubescens, Benth.; F. . ae 
Naraguta, 5 Aug., herb about 1-2 ft., “vith strong balsami- 
ferous odour, flowers pale blue, No. 494. 
Distrib.—Endemic to Nigeria north of pos ees 
Solenostemon ocymoides, Sch. & Thonn.; F.T.A. v. 420. 
Vodni, 4600 ft., 13 July, 14-2 ft., flowers bright red purple, 
xo 420. Naraguta, 17 had on farms, flowers pink, 
o. 540. 
Hyptis pectinata, Poit. ; F.T.A. 8. 
Ringim Mukr, 2500 ft., 22 a foto perennial 6-10 ft., 
flowers pale mauve, with sage odour, No. 219 
recat 20 Aug., ‘about 6 ft., in open grass country, 
551, 
Hyptis suaveolens, Poit.; F.T.A. v. 449. 
Bichikki, 2200 ft , a robust branching plant 3-4 ft high, on 
farms, flowers dark purple, strong mint-like odour, 
183. 
No. 
Introduced from Tropical America. 
