CITRUS FRUITS IN THE PHILIPPINES. 19 



antly aromatic; juice cells medium large, short and plump, con- 

 taining a minute, greenish nucleus ; cotyledons supraterraneous, 

 distinct. 



So far as observed, the amongpong, amontay and the calo-oy 

 are not sufficiently distinct from the cabuyao to entitle them even 

 to rank as subspecies. 



The various forms above referred to are in the Bureau of 

 Agriculture citrus collection at Lamao, represented as follows: 

 Cabuyao, No. 739 (Lamao) ; copahan, No. 2570, 4835 (Bohol) ; 

 amongpong, No. 2496, 4831 (Bohol) ; calo-oy, No. 4822 (Bohol) ; 

 amontay, No. 2501, 4830 (Bohol). 



Citrus histrix var. boholensis. CANCI. 

 (Pis. IVa, Va.) 



A small tree, rarely exceeding 4 meters in height, with compact crown 

 and small, sharp spines; leaves 9 to 12 centimeters long, 30 to 45 milli- 

 meters broad, ovate to elliptical ovate, crenulate, coriaceous; base broadly 

 acute; apex acute to acuminate; petioles 35 to 45 millimeters long, 25 to 

 30 millimeters wide, wing area less than one-half of leaf area; flowers 2 to 

 6 in compact axillary cymes; petals white, with purplish tinge outside; 

 stamens 20 to 23, equal, free; ovary quite large, oblate; locules 11 to 14; 

 style short, distinct; stigma knob like; fruit 39 millimeters long, 46 milli- 

 meters in transverse diameter, oblate, smooth, lemon yellow; oil cells 

 numerous, uniform, raised; skin medium thick; pulp quite juicy with very 

 pronounced acidity; juice cells short, plump, and granular; seeds many, 

 wedge shaped, monoembryonic ; cotyledons supraterraneous. 



The canci is found in cultivation in Bohol and is rather rare. 

 Flowers were collected in May, and ripe fruits have been exam- 

 ined in January. The fruit is eaten with fish by the Filipinos, 

 but is really so little grown that it has no economic importance. 

 The fruit makes a fairly good ade. 



While the canci undoubtedly belongs to C. histrix yet an 

 examination of its parts shows that it is very distinct from that 

 species as already described. In the leaves, the comparatively 

 short petioles with small, cuneiform wings, as compared with 

 the oblong-spatulate, broad-winged petioles in the cabuyao, etc., 

 is very noticeable; the stamens are 20 to 23 only .in the canci, 

 while the locules are 11 to 14, and the fruit is shorter than 

 broad unlike that in C. histrix. Everything considered the 

 plant is apparently an intermediate type between C. histrix 

 and C. webberii. 



B. A. No. 2525, 4824 (Bohol). 



Citrus histrix var. torosa Blanco. COLOBOT. 



A spiny tree, attaining a height of 6 or more meters; young growth 

 green with a tinge of purple; leaves 9 to 13 centimeters long, 3.5 to 5.5 



