AFRICAN SPECIES OF CROTALARIA. 267 
Series 15. Flores in racemos multifloros laxos dispositi. Carina dorso angulo 
recto curvata, inde in rostrum rectum attenuata, in toto 8-9 mm. longa. 
Annua foliis elliptieis, superioribus angustioribus. 
21. C. MORUMBENSIS, Bak. jil., sp. nov. 
Annua. Caulis erectus, teres, 90-100 cm. altus, praecipue sursum pilis 
adpressis obtectus. Stipulw parvie, lineares. Folia inferiora. elliptica vel 
ovato-elliptica, subtus pubescentia, 25-40 mm. longa, 10-13 mm. lata, superiora 
linearia vel oblongo-linearia, 40-30 mm. longa, 5-5 mm. lata, petiolo 1- 
L5 mm. longo prodita. Flores in racemos 20—30-floros laxos dipositi. 
Bractew lineares, pedicellis longiores. Calyw hirsutus, 4-5 mm. longus, 
laciniis lanceolatis. Vexillum lineatum, 8-9 mm. longum. Legumen sessile, 
oblongo-globosum, cire. 5 mm. longum, calyce 2—3-plo longius, 1-2-spermum. 
Congo Region: Mt. Morumben, Wässuer No. 2939! Hbb. Mus. Brit., 
Berol., Turie. In flower 5 Feb. 1908. 
Series 16. Flores pauci. Carina dorso angulo recto curvata, inde in rostrum 
attenuata, in toto cire. 12-14 mm. longa, Annuæ humiles. 
28, C. sENGENSIS, Bak, fil. sp. nov. 
Annua, sparse pubescens, ramosa, Stipule lineares. Folia angustissima, 
apice acuta, 25-30 mm. longa, pubescentia, Bractew lineares, pedicello 
breviores. Pedicelli pubescentes. Flores pauci, Bracteolw lineares, ad 
apicem pedicelli posite. (alga in toto cire. 7 mm. longus, extus pubescens ; 
dentes angusti, cire. 4-5 mm. longi,  Vewillum in sicco flavum. Ale 
oblong:e. Carina dorso angulo recto attenuata, inde in rostrum attenuata, 
cire. 12 mm. longum. Legumen deest. 
Congo Raion: Mt. Senga, Kässner No. 2770 ! Hb. Mus. Brit. 
This plant has very narrow leaves. few flowers, and a keel about 12 mm. long. 
29. €. RUPICOLA, Bak, jil., sp. nov. 
Annua. Caulis teres, erectus, gracilis, +8-10 em. altus, pubescens. Stipulæ 
obsolete. Folia angustissima, 8-5 em. longa, subteretia, apice acuta, pubes- 
centia. Flores pauci. Bractew lineares. Bracteol 2, subteretes, apicem versus 
pedicelli positæ. Pedicelli cire. 3 mm. longi. Calyx pubescens, 9-10 mm. 
longus ; laciniæ lanceolatæ, acuminatæ, 5-0 mm. longæ. Vexillum ellip- 
ticum, unguiculatum, cum ungue circ. 17 mm. longum, circ. 11 mm. latum. 
Alw circ. 10 mm. louge. Carina dorso rotundata, apice in rostrum brevem 
attenuata, cire. 14 mm, longa. Ovarium lineari-oblongum, pubescens, stipi- 
tatum. Legumen deest. 
(Congo ReGion : Mt. Senga, Kässner No. 2976! Hb. Mus. Brit. 
The noticeable features of this plant are the slender, terete stem, 8-10 cm. 
