AFRICAN SPECIES OF CROTALARIA. 305 
Sect. III. CHRYSOCALYCINA, Benth. in Hooker's Lond. Journ. Bot. ii. 
(1843) 571; Baker in Oliver, Fl. Trop. Afr. ii., pro parte. 
Chrysocalyx, Guill. & Perr. Fl. Seneg. Tent. 158 (1832). 
Folia trifoliolata, vel trifoliolata et simplicia. Flores mediocres, in racemos 
dense spiciformes, vel capituliformes dispositi, vel pauci apicem versus ramu- 
lorum aggregati. Carina calyeem vix æquans vel paullo superans. Legumina 
plurisperma, oblonga vel globoso-oblonga, calyce demum aucto breviora, 
vel vix longiora. 
CLAVIS SPECIERUM. 
l. Bracteole anguste ..... ............. isse ........... 2 
Bracteolee late............................... r... r... ........ nigricans, 
2. Flores 2-10 apicem versus ramulorum aggregati vel in capitula 
dispositi eee eee eee cece eee e e seen 3 
Flores numerosiores...................................... . 5 
3. Legumina 1-4-sperma..... 0.0... eee cece ce cece ca encesenees 4 
Legumina 6-10-sperma _...................................... macrocalyx. 
4. Foliola oblonga, vel lineari-oblonga ............................ Perrottetii. 
Foliola oblongo-elliptica ...................................... gracilis. 
5. Flores dense conoideo-spicati. Legumina 6-8-sperma. Bracteolæ 
lanceolate .................. Peete eee eens en e nnn ebenoides. 
Flores in racemos subglobosos dispositi. Legumina 7-10-sperma. 
Bracteole lineares. Folia fere sessilia ...... ee e mess atrorubens. 
Flores in capitula densa dispositi. Legumina 6-10-sperma. Foliorum 
petioli 4-10 mm. longi...................................... ononoides. 
Series 1. l'lores in ramulorum apicibus pauci. Legumina subglobosa, 
sepius 1—4-sperma. 
107. C. PEnnorrETIL, DC. Prod. ii. (1825) 128; Baker in Oliver, Fl. Trop. 
Afr. ii. 19. (Pl. 11B.) 
C. gambica, Taubert in Engl. Jahrb. xxiii. (1896) 179. 
Heylandia Perrottetii, Spreng. Syst. Veg. 267. 
Chrysocalyx Perrottetii, Guill. & Perr. FI. Seneg. Tent. 160, t. 43. fig. 2 
(1832). 
Caulis herbaceus, 0°3-0°6 m. altus, sericeus, e basi ramosus. Stipule parve, 
lineares. Folia fere sessilia, foliolis superne glabris subtus pilis sericeis 
conspersis linearibus vel oblongis, intermediis cire. 30—50 mm. longis et 
6-10 mm. latis. Flores pauci, ad apices ramulorum dispositi. Calyx circ, 
8-10 mm. longus, extus sericeo-pubescentibus dentibus lanceolatis inferioribus 
angustioribus. Corolla lutea, calycem sub:equans. Legumina sessilia vel 
subsessilia, subglobosa, extus dense sericea, 1—4-sperma. 
SENEGAMBIA : Perrottet! Hb. Mus. Brit. : GAMBIA, Brown- Lester, No. 65 ! 
Hbb. Kew., Berol. 
I do not think C. gambica, Taubert, can be maintained as specifically 
distinct from C. Perrottetii, DC. 
LINN. JOURN.—BOTANY, VOL. XLII. x 
