EXPLANATION OF PLATES. 



Plate 1. Fig. 1, Phoradendron nncinatum, Robinson, n. sp. Fig. 2, Bursera 

 malacophi/lla, Robinson, n. sp. Fig. 3, fruit of ray-flower of Acanthospermum micro- 

 carpum, Robinson, n. sp. Fig. 4, fruit of ray-flower in Acanthospermum hispidum, 

 DC. Figs. 5, 6, 7, Telanthera Helleri, Robinson, n. sp. Fig. 8, leaf of Telanthera 

 Helleri, var. obtusior, Robinson, n. var. Fig. 9, Scalesia Helleri, Robinson, n. sp. 

 Fig. 10, the same, a pale of the disk. 



Plate 2. Fig. 1, Pi/ea Banrii, Robinson, n. sp. Fig. 2, Telanthera Snodgrassii, 

 Robinson, n. sp. Fig. 3, Acnistus insularis, Robinson, n. sp. Fig. 4, Bidens refracta, 

 Brandegee. Fig. 5, Euphorbia nesiotica, Robinson, n. sp. 



Plate 3. Fig. 1, Scalesia Hopkinsii, Robinson, n. sp. Figs. 2, 3, Scalesia micro- 

 cephala, Robinson, n. sp. Figs. 4, 5, 6, 7, Scalesia narbonensis, Robinson, n. sp. 

 Fig. 8, Scalesia Snodg7-assii, Robinson, n. sp. 



