574 



swingle: new genus of citrous fruits 



B 



sions on the other faces, probably due to the pressure of the pulp vesicles 

 during the development of the seed; no wrinkling of the testa such 

 as occurs in Eremocitrus is to be seen (fig. 4, D). On germination 



the cotyledons remain buried in 

 the ground; the first leaves are 

 reduced to cataphylls, alternately 

 arranged, which merge gradually 

 into the juvenile foliage (fig. l). 

 A variety, the red-fruited fin- 

 ger lime, is indigenous to north- 

 eastern New South Wales: 



la 



Microcitrus australasica san- 

 guine a (Bail.) Swingle. 

 Citrus australasica var. sangui- 

 nea Bail. Contr. Queensl. 

 Flora, Dept. Agric. 

 Queensl., Bull. 18 (Botany 

 5), 8. 1892. 

 Type locality: "Tambourine 

 Mountain," southern Queens- 

 land, Australia. 



Illustration: Penzig, Studi 

 bot. sugli Agrumi, in Annali di 

 Agric. No. 116, 214, pi. 21, fig. 

 13. 1887. 



A 



Fig. 4. M. australasica. A, fruit; B, 

 cross-section of fruit; C, pulp vesicles; 

 D, seed; E, seed in cross-section. A, B, 

 D, E, natural size; C, scale 2. 



This seems to differ from the typical form of the species only in having 

 a blood-red fruit, with pink pulp. The fruit has been described rather 

 fully by Penzig. This variety has been introduced into America and is 

 being grown in the greenhouses of the U. S. Department of Agriculture 

 at Washington, D. C. 



GARROWAY'S FINGER LIME 



Another finger lime from northern Queensland is considered by F. 

 M. Bailey to be a distinct species. 



2. Microcitrus Garrowayi (Bail.) Swingle. 



Citrus Garrowayi Bail. Queensl. Agric. Journ. 15:49. 1904. 



Type locality: "Summit of Mount White, Cape York Peninsula, 

 altitude about 1300 ft.," northern Queensland, Australia. 



Specimens from the type locality, kindly sent to the writer by Prof. 

 F. M. Bailey, show this plant to have larger, broader leaves and shorter, 

 thicker fruits than the typical finger Ume. The fruits are said by 

 Bailey to bo 4- or 5-celled, while the finger lime has 5-7 cells; the oil 



