EXPLANATION OF PLATES. 



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

 malacophylla, Robinson, n. sp. Fig. 3, fruit of ray -flower of Acantltospermum 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, Pilea Baurii, 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. 



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

 cephala, Robinson, n. sp. Figs. 4, 5, 6, 7, Sccdesia nai-bonensis, Robinson, n. sp. 

 Fig. 8, Scalesia Snodgrassii, Robinson, n. sp. 



